Anticonvulsant

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products per page. 533 products on this category.

Product data	Purity	Price range	Estimated delivery
Perampanel Impurity 3 REF: 4Z-P-181005CAS: 380919-34-6	- - -	To inquire	7 Feb 2022
Pregabalin REF: 4Z-P-273CAS: 148553-50-8	- - -	To inquire	7 Feb 2022
2,3-Dehydro Pregabalin REF: 4Z-P-2736	- - -	To inquire	7 Feb 2022
Carbamazepine Impurity 7 REF: 4Z-C-1934CAS: 16968-19-7	- - -	To inquire	7 Feb 2022
Ethosuximide-d5 REF: 4Z-E-653CAS: 77-67-8	- - -	To inquire	7 Feb 2022
Pregabalin Impurity 80 (3-Isobutylglutaric Acid) REF: 4Z-P-278CAS: 75143-89-4	- - -	To inquire	7 Feb 2022
Acetazolamide EP Impurity A REF: 4Z-A-354CAS: 60320-32-3	- - -	To inquire	7 Feb 2022
Lacosamide EP Impurity C (R-isomer) REF: 4Z-L-2821	- - -	To inquire	7 Feb 2022
Topiramate N-Methyl Impurity REF: 4Z-T-053CAS: 97240-80-7	- - -	To inquire	7 Feb 2022
Levetiracetam REF: 4Z-L-051CAS: 102767-28-2	- - -	242.00 € ~ 784.00 €	7 Feb 2022
Oxcarbazepine EP Impurity K (Oxcarbazepine USP Related Compound A) REF: 4Z-O-0618CAS: 1346601-76-0	- - -	To inquire	7 Feb 2022
rac-Brivaracetam (Mixture of Diastereomers) REF: 4Z-B-105005CAS: 357335-87-6	- - -	664.00 € ~ 2,983.00 €	7 Feb 2022
Lamotrigine EP Impurity C REF: 4Z-L-016CAS: 94213-23-7	- - -	To inquire	7 Feb 2022
Lacosamide EP Impurity K REF: 4Z-L-2817CAS: 86921-49-5	- - -	To inquire	7 Feb 2022
Oxcarbazepine EP Impurity G REF: 4Z-O-0622CAS: 15882-79-8	- - -	To inquire	7 Feb 2022
Pregabalin Impurity 21 REF: 4Z-P-2749CAS: 1083246-65-41486961-58-3	- - -	To inquire	7 Feb 2022
Gabapentin Impurity 5 REF: 4Z-G-1017CAS: 99189-60-3	- - -	To inquire	7 Feb 2022
10,11-Dihydro-10,11-Dihydroxy Carbamazepine (Mixture of Diastereomers) REF: 4Z-C-197CAS: 1217528-81-8	- - -	To inquire	7 Feb 2022
Pregabalin Impurity 36 DiHCl REF: 4Z-P-2763CAS: 159029-27-3	- - -	To inquire	7 Feb 2022
(S)-Licarbazepine-d4 REF: 4Z-C-1914CAS: 104746-04-5	- - -	To inquire	7 Feb 2022
Pregabalin Impurity 4 HCl REF: 4Z-P-2728CAS: 1955498-14-2	- - -	To inquire	7 Feb 2022
Topiramate Dimer Impurity REF: 4Z-T-054	- - -	To inquire	7 Feb 2022
Perampanel-d5 REF: 4Z-P-181002CAS: 2012598-62-6	- - -	To inquire	7 Feb 2022
Pregabalin Impurity 42 REF: 4Z-P-2769CAS: 181289-21-4	- - -	To inquire	7 Feb 2022
Pregabalin Impurity 9 REF: 4Z-P-2733CAS: 185815-56-9	- - -	To inquire	7 Feb 2022
Acetazolamide EP Impurity G REF: 4Z-A-3510CAS: 2349-67-9	- - -	To inquire	7 Feb 2022
Lacosamide EP Impurity I (R-Isomer) REF: 4Z-L-2819CAS: 2295925-90-3	- - -	To inquire	7 Feb 2022
Levetiracetam Impurity 19 REF: 4Z-L-0524CAS: 1868118-63-1	- - -	483.00 € ~ 1,893.00 €	7 Feb 2022
Pregabalin EP Impurity B ((R)-Pregabalin) REF: 4Z-P-277CAS: 148553-51-9	- - -	To inquire	7 Feb 2022
Pregabalin Methyl Ester HCl REF: 4Z-P-2714CAS: 714230-22-5	- - -	To inquire	7 Feb 2022
Perampanel Impurity 7 REF: 4Z-P-181009CAS: 381233-78-9	- - -	To inquire	7 Feb 2022
Oxcarbazepine-d4 REF: 4Z-O-063CAS: 1134188-71-8	- - -	To inquire	7 Feb 2022
Lacosamide EP Impurity D HCl (R-isomer) REF: 4Z-L-284CAS: 1322062-76-9196601-69-1	- - -	To inquire	7 Feb 2022
Brivaracetam (S, 4S)-Isomer REF: 4Z-B-105003CAS: 357336-19-7	- - -	664.00 € ~ 2,983.00 €	7 Feb 2022
Levetiracetam EP Impurity B REF: 4Z-L-054CAS: 358629-47-7	- - -	861.00 € ~ 3,729.00 €	7 Feb 2022
Lamotrigine EP Impurity F REF: 4Z-L-015CAS: 252186-79-1	- - -	To inquire	7 Feb 2022
Lamotrigine Dimer Impurity 1 REF: 4Z-L-019CAS: 1797983-48-2	- - -	To inquire	7 Feb 2022
Pregabalin Impurity 20 HCl REF: 4Z-P-2748CAS: 1464089-92-6	- - -	To inquire	7 Feb 2022
Gabapentin EP Impurity A REF: 4Z-G-105CAS: 64744-50-9	- - -	To inquire	7 Feb 2022
Gabapentin-d6 HCl REF: 4Z-G-102CAS: 1432061-73-8	- - -	To inquire	7 Feb 2022
Valproic Acid EP Impurity L REF: 4Z-V-0618CAS: 97-61-0	- - -	To inquire	7 Feb 2022
Carbamazepine REF: 4Z-C-199CAS: 298-46-4	- - -	To inquire	7 Feb 2022
Acetazolamide EP Impurity E REF: 4Z-A-358CAS: 827026-60-8	- - -	To inquire	7 Feb 2022
Perampanel Impurity 8 REF: 4Z-P-181010CAS: 172732-52-4	- - -	To inquire	7 Feb 2022
Oxcarbazepine EP Impurity D REF: 4Z-O-0616CAS: 19579-83-0	- - -	To inquire	7 Feb 2022
10,11-Dihydro-10,11-Dihydroxy Carbamazepine (Mixture of Isomers) REF: 4Z-O-0612CAS: 1217528-81-8	- - -	To inquire	7 Feb 2022
Pregabalin Diacid REF: 4Z-P-2718	- - -	To inquire	7 Feb 2022
Gabapentin Impurity 3 REF: 4Z-G-1015CAS: 1130-32-1	- - -	To inquire	7 Feb 2022
Lamotrigine Impurity 17 REF: 4Z-L-0132CAS: 887354-37-2	- - -	To inquire	7 Feb 2022
Everolimus EP Impurity B (Mixture of E/Z-Isomer) REF: 4Z-E-105CAS: 1062122-63-7763911-41-7	- - -	To inquire	7 Feb 2022
Acetazolamide EP Impurity F REF: 4Z-A-359CAS: 80495-47-2	- - -	To inquire	7 Feb 2022
Gabapentin HCl REF: 4Z-G-107CAS: 60142-95-260142-96-3	- - -	To inquire	7 Feb 2022
Valproic Acid EP Impurity B REF: 4Z-V-064CAS: 20225-24-5	- - -	To inquire	7 Feb 2022
Gabapentin EP Impurity G REF: 4Z-G-109CAS: 1500558-49-5	- - -	To inquire	7 Feb 2022
Acetazolamide-13C2-d3 REF: 4Z-A-353CAS: 59-66-5	- - -	To inquire	7 Feb 2022
Pregabalin Impurity 26 REF: 4Z-P-2715CAS: 181289-16-7	- - -	To inquire	7 Feb 2022
Valproic Acid EP Impurity G REF: 4Z-V-0611CAS: 52061-73-1	- - -	To inquire	7 Feb 2022
Brivaracetam Impurity 35 REF: 4Z-B-105041CAS: 2165431-90-1	- - -	To inquire	7 Feb 2022
Vigabatrin Impurity 1 REF: 4Z-V-039009CAS: 2324151-81-5	- - -	To inquire	7 Feb 2022
Pregabalin EP Impurity A REF: 4Z-P-2732CAS: 181289-23-6	- - -	To inquire	7 Feb 2022
Brivaracetam Impurity 12 REF: 4Z-B-105018	- - -	To inquire	7 Feb 2022
Acetazolamide EP Impurity B REF: 4Z-A-355CAS: 5393-55-5	- - -	To inquire	7 Feb 2022
Valproic Acid EP Impurity J REF: 4Z-V-0610CAS: 5340-48-7	- - -	To inquire	7 Feb 2022
(R)-Levetiracetam EP Impurity A REF: 4Z-L-0510CAS: 103833-72-3	- - -	664.00 € ~ 2,983.00 €	7 Feb 2022
Topiramate EP Impurity A REF: 4Z-T-052CAS: 20880-92-6	- - -	To inquire	7 Feb 2022
Pregabalin Impurity 17 REF: 4Z-P-2743CAS: 181289-11-2	- - -	To inquire	7 Feb 2022
Lacosamide Impurity 6 REF: 4Z-L-2811	- - -	To inquire	7 Feb 2022
Brivaracetam Impurity 5 REF: 4Z-B-105011CAS: 1942054-60-5	- - -	483.00 € ~ 1,893.00 €	7 Feb 2022
Everolimus Impurity 1 (O-Desmethyl Everolimus) REF: 4Z-E-106CAS: 745779-75-3	- - -	To inquire	7 Feb 2022
Everolimus REF: 4Z-E-101CAS: 159351-69-6	- - -	To inquire	7 Feb 2022
Lamotrigine N2-Oxide REF: 4Z-L-0116CAS: 136565-76-9	- - -	To inquire	7 Feb 2022
Lamotrigine-13C3 REF: 4Z-L-011CAS: 1188265-38-484057-84-1	- - -	To inquire	7 Feb 2022
Carbamazepine EP Impurity C (N-Carbamoyl Carbamazepine) REF: 4Z-O-0621CAS: 1219170-51-0	- - -	To inquire	7 Feb 2022
Topiramate Impurity 3 REF: 4Z-T-0512CAS: 32785-90-3	- - -	To inquire	7 Feb 2022
Brivaracetam Impurity 7 HCl REF: 4Z-B-105013CAS: 357338-46-6748760-80-7	- - -	664.00 € ~ 2,983.00 €	7 Feb 2022
rac-Lacosamide-d6 REF: 4Z-L-285CAS: 1219042-50-8	- - -	To inquire	7 Feb 2022
Pregabalin Impurity 19 REF: 4Z-P-2747CAS: 89015-27-0	- - -	To inquire	7 Feb 2022
5,6-Dehydro Pregabalin REF: 4Z-P-276CAS: 1136478-30-2	- - -	To inquire	7 Feb 2022
Oxcarbazepine EP Impurity L REF: 4Z-O-0624	- - -	To inquire	7 Feb 2022
Lacosamide Impurity 7 REF: 4Z-L-2822	- - -	To inquire	7 Feb 2022
Pregabalin Impurity 37 D-Tartrate REF: 4Z-P-2764CAS: 1567946-71-7	- - -	To inquire	7 Feb 2022
Levetiracetam Impurity 7 REF: 4Z-L-0512CAS: 1867585-44-1	- - -	664.00 € ~ 2,983.00 €	7 Feb 2022
Vigabatrin EP Impurity F HCl (Mixture of Diastereomers) REF: 4Z-V-039008CAS: 794466-81-2	- - -	To inquire	7 Feb 2022
Levetiracetam Impurity 18 REF: 4Z-L-0523CAS: 79194-54-0	- - -	To inquire	7 Feb 2022
Lacosamide EP Impurity A ((S)-Lacosamide) REF: 4Z-L-2812CAS: 175481-37-5	- - -	To inquire	7 Feb 2022
Brivaracetam REF: 4Z-B-105001CAS: 357336-20-0	- - -	To inquire	7 Feb 2022
10,11-Dihydro-10,11-Dihydroxy Carbamazepine-d4 (Mixture of Diastereomers) REF: 4Z-O-0611CAS: 35079-97-1	- - -	To inquire	7 Feb 2022
Topiramate REF: 4Z-T-0511CAS: 97240-79-4	- - -	To inquire	7 Feb 2022
Lacosamide EP Impurity J HCl (Benzylamine HCl) REF: 4Z-L-286CAS: 3287-99-8	- - -	To inquire	7 Feb 2022
4,5-Dehydro Pregabalin Formate REF: 4Z-P-275CAS: 216576-74-8	- - -	To inquire	7 Feb 2022
Acetazolamide EP Impurity C REF: 4Z-A-356CAS: 32873-56-6	- - -	To inquire	7 Feb 2022
Lacosamide EP Impurity H (SS-Isomer) REF: 4Z-L-2827CAS: 1375090-19-9	- - -	To inquire	7 Feb 2022
Lacosamide-d3 (Acetyl-d3) REF: 4Z-L-283CAS: 175481-36-4	- - -	To inquire	7 Feb 2022
Pregabalin Impurity 13 REF: 4Z-P-2717CAS: 916982-10-0	- - -	To inquire	7 Feb 2022
10-Methoxyiminostilbene (Oxcarbazepine EP Impurity H) REF: 4Z-C-198CAS: 4698-11-7	- - -	To inquire	7 Feb 2022
Pregabalin Impurity 25 REF: 4Z-P-2753	- - -	To inquire	7 Feb 2022
Pregabalin Impurity PD0310886 REF: 4Z-P-2734	- - -	To inquire	7 Feb 2022
rac-Pregabalin REF: 4Z-P-279CAS: 128013-69-4	- - -	To inquire	7 Feb 2022
10,11-Dihydro-10-Hydroxy Carbamazepine-d4 (rac-Licarbazepine-d4) REF: 4Z-O-064CAS: 1188265-49-7	- - -	To inquire	7 Feb 2022
Valproic Acid EP Impurity I REF: 4Z-V-069CAS: 13310-75-3	- - -	To inquire	7 Feb 2022

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Perampanel Impurity 3

CAS:380919-34-6

Formula:

C₂₃H₁₇N₃O₂

Color and Shape:

Pale Yellow Solid

Molecular weight:

367.41

Ref: 4Z-P-181005

Estimated delivery in United States, on Monday 7 Feb 2022

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Pregabalin

CAS:148553-50-8

Formula:

C₈H₁₇NO₂

Color and Shape:

White To Off-White Solid

Molecular weight:

159.23

Ref: 4Z-P-273

Estimated delivery in United States, on Monday 7 Feb 2022

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2,3-Dehydro Pregabalin

Formula:

C₈H₁₅NO₂

Color and Shape:

Off-White Solid

Molecular weight:

157.21

Ref: 4Z-P-2736

Estimated delivery in United States, on Monday 7 Feb 2022

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Carbamazepine Impurity 7

CAS:16968-19-7

Formula:

C₁₄H₁₂N₂O₄

Color and Shape:

Brownish Yellow Solid

Molecular weight:

272.26

Ref: 4Z-C-1934

Estimated delivery in United States, on Monday 7 Feb 2022

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Ethosuximide-d5

CAS:77-67-8

Formula:

C₇H₆D₅NO₂

Color and Shape:

White To Off-White Solid

Molecular weight:

146.20

Ref: 4Z-E-653

Estimated delivery in United States, on Monday 7 Feb 2022

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Pregabalin Impurity 80 (3-Isobutylglutaric Acid)

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Pregabalin Impurity 80 (3-Isobutylglutaric Acid)

CAS:75143-89-4

Formula:

C₉H₁₆O₄

Color and Shape:

White To Off-White Solid

Molecular weight:

188.22

Ref: 4Z-P-278

Estimated delivery in United States, on Monday 7 Feb 2022

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Acetazolamide EP Impurity A

CAS:60320-32-3

Formula:

C₄H₄ClN₃OS

Color and Shape:

White To Off-White Solid

Molecular weight:

177.61

Ref: 4Z-A-354

Estimated delivery in United States, on Monday 7 Feb 2022

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Lacosamide EP Impurity C (R-isomer)

Formula:

C₁₄H₂₀N₂O₃

Color and Shape:

Colorless Oil

Molecular weight:

264.33

Ref: 4Z-L-2821

Estimated delivery in United States, on Monday 7 Feb 2022

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Topiramate N-Methyl Impurity

CAS:97240-80-7

Formula:

C₁₃H₂₃NO₈S

Color and Shape:

Colorless Liquid

Molecular weight:

353.39

Ref: 4Z-T-053

Estimated delivery in United States, on Monday 7 Feb 2022

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Levetiracetam

CAS:102767-28-2

Formula:

C₈H₁₄N₂O₂

Molecular weight:

170.21

Ref: 4Z-L-051

Estimated delivery in United States, on Monday 7 Feb 2022

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Oxcarbazepine EP Impurity K (Oxcarbazepine USP Related Compound A)

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Oxcarbazepine EP Impurity K (Oxcarbazepine USP Related Compound A)

CAS:1346601-76-0

Formula:

C₁₆H₁₂N₂O₃

Color and Shape:

White To Off-White Solid

Molecular weight:

280.28

Ref: 4Z-O-0618

Estimated delivery in United States, on Monday 7 Feb 2022

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rac-Brivaracetam (Mixture of Diastereomers)

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rac-Brivaracetam (Mixture of Diastereomers)

CAS:357335-87-6

Formula:

C₁₁H₂₀N₂O₂

Color and Shape:

White To Off-White Solid

Molecular weight:

212.29

Ref: 4Z-B-105005

Estimated delivery in United States, on Monday 7 Feb 2022

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Lamotrigine EP Impurity C

CAS:94213-23-7

Formula:

C₉H₇Cl₂N₅

Color and Shape:

Yellow Solid

Molecular weight:

256.10

Ref: 4Z-L-016

Estimated delivery in United States, on Monday 7 Feb 2022

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Lacosamide EP Impurity K

CAS:86921-49-5

Formula:

C₁₂H₁₄N₂O₂

Color and Shape:

White To Off-White Solid

Molecular weight:

218.26

Ref: 4Z-L-2817

Estimated delivery in United States, on Monday 7 Feb 2022

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Oxcarbazepine EP Impurity G

CAS:15882-79-8

Formula:

C₁₇H₁₇NO

Color and Shape:

Pale Yellow Solid

Molecular weight:

251.33

Ref: 4Z-O-0622

Estimated delivery in United States, on Monday 7 Feb 2022

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Pregabalin Impurity 21

CAS:1083246-65-4 1486961-58-3

Formula:

C₁₆H₃₂N₂O₃

Color and Shape:

White To Off-White Solid

Molecular weight:

300.44

Ref: 4Z-P-2749

Estimated delivery in United States, on Monday 7 Feb 2022

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Gabapentin Impurity 5

CAS:99189-60-3

Formula:

C₁₀H₁₇NO₃

Color and Shape:

White To Off-White Solid

Molecular weight:

199.25

Ref: 4Z-G-1017

Estimated delivery in United States, on Monday 7 Feb 2022

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10,11-Dihydro-10,11-Dihydroxy Carbamazepine (Mixture of Diastereomers)

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10,11-Dihydro-10,11-Dihydroxy Carbamazepine (Mixture of Diastereomers)

CAS:1217528-81-8

Formula:

C₁₅H₁₄N₂O₃

Color and Shape:

White To Off-White Solid

Molecular weight:

270.29

Ref: 4Z-C-197

Estimated delivery in United States, on Monday 7 Feb 2022

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Pregabalin Impurity 36 DiHCl

CAS:159029-27-3

Formula:

C₇H₁₈N₂HCl

Color and Shape:

White To Off-White Solid

Molecular weight:

130.24 2 36.46

Ref: 4Z-P-2763

Estimated delivery in United States, on Monday 7 Feb 2022

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(S)-Licarbazepine-d4

CAS:104746-04-5

Formula:

C₁₅H₁₀D₄N₂O₂

Color and Shape:

White To Off-White Solid

Molecular weight:

258.31

Ref: 4Z-C-1914

Estimated delivery in United States, on Monday 7 Feb 2022

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Pregabalin Impurity 4 HCl

CAS:1955498-14-2

Formula:

C₁₀H₂₁NO₂HCl

Color and Shape:

White To Off-White Solid

Molecular weight:

187.28 36.46

Ref: 4Z-P-2728

Estimated delivery in United States, on Monday 7 Feb 2022

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Topiramate Dimer Impurity

Formula:

C₂₄H₃₉NO₁₃S

Color and Shape:

Off-White Solid

Molecular weight:

581.63

Ref: 4Z-T-054

Estimated delivery in United States, on Monday 7 Feb 2022

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Perampanel-d5

CAS:2012598-62-6

Formula:

C₂₃H₁₀D₅N₃O

Color and Shape:

Off-White Solid

Molecular weight:

354.42

Ref: 4Z-P-181002

Estimated delivery in United States, on Monday 7 Feb 2022

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Pregabalin Impurity 42

CAS:181289-21-4

Formula:

C₈H₁₅NO₄

Color and Shape:

Pale Yellow Liquid

Molecular weight:

189.21

Ref: 4Z-P-2769

Estimated delivery in United States, on Monday 7 Feb 2022

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Pregabalin Impurity 9

CAS:185815-56-9

Formula:

C₁₁H₁₆N₄O₂

Color and Shape:

White To Off-White Solid

Molecular weight:

236.28

Ref: 4Z-P-2733

Estimated delivery in United States, on Monday 7 Feb 2022

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Acetazolamide EP Impurity G

CAS:2349-67-9

Formula:

C₂H₃N₃S₂

Color and Shape:

Pale Yellow Solid

Molecular weight:

133.19

Ref: 4Z-A-3510

Estimated delivery in United States, on Monday 7 Feb 2022

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Lacosamide EP Impurity I (R-Isomer)

CAS:2295925-90-3

Formula:

C₁₉H₂₃N₃O₃

Color and Shape:

White To Off-White Solid

Molecular weight:

341.41

Ref: 4Z-L-2819

Estimated delivery in United States, on Monday 7 Feb 2022

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Levetiracetam Impurity 19

CAS:1868118-63-1

Formula:

C₈H₁₆N₂O₃

Color and Shape:

White To Off-White Solid

Molecular weight:

188.23

Ref: 4Z-L-0524

Estimated delivery in United States, on Monday 7 Feb 2022

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Pregabalin EP Impurity B ((R)-Pregabalin)

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Pregabalin EP Impurity B ((R)-Pregabalin)

CAS:148553-51-9

Formula:

C₈H₁₇NO₂

Color and Shape:

White To Off-White Solid

Molecular weight:

159.23

Ref: 4Z-P-277

Estimated delivery in United States, on Monday 7 Feb 2022

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Pregabalin Methyl Ester HCl

CAS:714230-22-5

Formula:

C₉H₁₉NO₂HCl

Color and Shape:

White To Off-White Solid

Molecular weight:

173.26 36.46

Ref: 4Z-P-2714

Estimated delivery in United States, on Monday 7 Feb 2022

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Perampanel Impurity 7

CAS:381233-78-9

Formula:

C₁₀H₈N₂O

Color and Shape:

Pale Yellow Solid

Molecular weight:

172.19

Ref: 4Z-P-181009

Estimated delivery in United States, on Monday 7 Feb 2022

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Oxcarbazepine-d4

CAS:1134188-71-8

Formula:

C₁₅H₈D₄N₂O₂

Color and Shape:

White To Off-White Solid

Molecular weight:

256.30

Ref: 4Z-O-063

Estimated delivery in United States, on Monday 7 Feb 2022

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Lacosamide EP Impurity D HCl (R-isomer)

CAS:1322062-76-9 196601-69-1

Formula:

C₁₁H₁₆N₂O₂HCl

Color and Shape:

White To Off-White Semi-Solid

Molecular weight:

208.26 36.46

Ref: 4Z-L-284

Estimated delivery in United States, on Monday 7 Feb 2022

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Brivaracetam (S, 4S)-Isomer

CAS:357336-19-7

Formula:

C₁₁H₂₀N₂O₂

Color and Shape:

White To Off-White Solid

Molecular weight:

212.29

Ref: 4Z-B-105003

Estimated delivery in United States, on Monday 7 Feb 2022

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Levetiracetam EP Impurity B

CAS:358629-47-7

Formula:

C₈H₁₂N₂O₂

Color and Shape:

Off-White Solid

Molecular weight:

168.20

Ref: 4Z-L-054

Estimated delivery in United States, on Monday 7 Feb 2022

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Lamotrigine EP Impurity F

CAS:252186-79-1

Formula:

C₁₆H₉Cl₄N₅O

Color and Shape:

Yellow Solid

Molecular weight:

429.08

Ref: 4Z-L-015

Estimated delivery in United States, on Monday 7 Feb 2022

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Lamotrigine Dimer Impurity 1

CAS:1797983-48-2

Formula:

C₁₉H₁₄Cl₄N₁₀

Color and Shape:

Off-White Solid

Molecular weight:

524.19

Ref: 4Z-L-019

Estimated delivery in United States, on Monday 7 Feb 2022

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Pregabalin Impurity 20 HCl

CAS:1464089-92-6

Formula:

C₁₁H₂₃NO₂HCl

Color and Shape:

White To Off-White Solid

Molecular weight:

201.31 36.46

Ref: 4Z-P-2748

Estimated delivery in United States, on Monday 7 Feb 2022

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Gabapentin EP Impurity A

CAS:64744-50-9

Formula:

C₉H₁₅NO

Color and Shape:

White To Off-White Solid

Molecular weight:

153.23

Ref: 4Z-G-105

Estimated delivery in United States, on Monday 7 Feb 2022

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Gabapentin-d6 HCl

CAS:1432061-73-8

Formula:

C₉H₁₁D₆NO₂HCl

Color and Shape:

White To Off-White Solid

Molecular weight:

177.28 36.46

Ref: 4Z-G-102

Estimated delivery in United States, on Monday 7 Feb 2022

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Valproic Acid EP Impurity L

CAS:97-61-0

Formula:

C₆H₁₂O₂

Color and Shape:

Colorless Liquid

Molecular weight:

116.16

Ref: 4Z-V-0618

Estimated delivery in United States, on Monday 7 Feb 2022

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Carbamazepine

CAS:298-46-4

Formula:

C₁₅H₁₂N₂O

Color and Shape:

White To Off-White Solid

Molecular weight:

236.28

Ref: 4Z-C-199

Estimated delivery in United States, on Monday 7 Feb 2022

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Acetazolamide EP Impurity E

CAS:827026-60-8

Formula:

C₄H₅N₃O₄S₂

Color and Shape:

White To Off-White Solid

Molecular weight:

223.22

Ref: 4Z-A-358

Estimated delivery in United States, on Monday 7 Feb 2022

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Perampanel Impurity 8

CAS:172732-52-4

Formula:

C₁₀H₁₀BNO₂

Color and Shape:

Pale Brown Solid

Molecular weight:

187.01

Ref: 4Z-P-181010

Estimated delivery in United States, on Monday 7 Feb 2022

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Oxcarbazepine EP Impurity D

CAS:19579-83-0

Formula:

C₁₄H₉NO₂

Color and Shape:

Red Solid

Molecular weight:

223.23

Ref: 4Z-O-0616

Estimated delivery in United States, on Monday 7 Feb 2022

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10,11-Dihydro-10,11-Dihydroxy Carbamazepine (Mixture of Isomers)

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10,11-Dihydro-10,11-Dihydroxy Carbamazepine (Mixture of Isomers)

CAS:1217528-81-8

Formula:

C₁₅H₁₄N₂O₃

Molecular weight:

270.29

Ref: 4Z-O-0612

Estimated delivery in United States, on Monday 7 Feb 2022

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Pregabalin Diacid

Formula:

C₈H₁₄O₄

Color and Shape:

White To Off-White Solid

Molecular weight:

174.20

Ref: 4Z-P-2718

Estimated delivery in United States, on Monday 7 Feb 2022

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Gabapentin Impurity 3

CAS:1130-32-1

Formula:

C₁₀H₁₅NO₂

Color and Shape:

White To Off-White Solid

Molecular weight:

181.24

Ref: 4Z-G-1015

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Lamotrigine Impurity 17

CAS:887354-37-2

Formula:

C₈H₈Cl₂N₄O

Color and Shape:

White To Off-White Solid

Molecular weight:

247.08

Ref: 4Z-L-0132

Estimated delivery in United States, on Monday 7 Feb 2022

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Everolimus EP Impurity B (Mixture of E/Z-Isomer)

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Everolimus EP Impurity B (Mixture of E/Z-Isomer)

CAS:1062122-63-7 763911-41-7

Formula:

C₅₃H₈₃NO₁₄

Color and Shape:

White To Off-White Solid

Molecular weight:

958.24

Ref: 4Z-E-105

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Acetazolamide EP Impurity F

CAS:80495-47-2

Formula:

C₈H₉N₇O₆S₄

Color and Shape:

White To Off-White Solid

Molecular weight:

427.44

Ref: 4Z-A-359

Estimated delivery in United States, on Monday 7 Feb 2022

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Gabapentin HCl

CAS:60142-95-2 60142-96-3

Formula:

C₉H₁₇NO₂HCl

Color and Shape:

White To Off-White Solid

Molecular weight:

171.24 36.46

Ref: 4Z-G-107

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Valproic Acid EP Impurity B

CAS:20225-24-5

Formula:

C₇H₁₄O₂

Color and Shape:

Colorless Liquid

Molecular weight:

130.19

Ref: 4Z-V-064

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Gabapentin EP Impurity G

CAS:1500558-49-5

Formula:

C₁₀H₁₉NO₂

Color and Shape:

White To Off-White Solid

Molecular weight:

185.27

Ref: 4Z-G-109

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Acetazolamide-13C2-d3

CAS:59-66-5

Formula:

C₂₁₃C₂H₃D₃N₄O₃S₂

Molecular weight:

227.24

Ref: 4Z-A-353

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Pregabalin Impurity 26

CAS:181289-16-7

Formula:

C₈H₁₃NO₂

Color and Shape:

Colorless Semi-Solid

Molecular weight:

155.20

Ref: 4Z-P-2715

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Valproic Acid EP Impurity G

CAS:52061-73-1

Formula:

C₁₁H₂₃NO

Color and Shape:

White To Off-White Solid

Molecular weight:

185.31

Ref: 4Z-V-0611

Estimated delivery in United States, on Monday 7 Feb 2022

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Brivaracetam Impurity 35

CAS:2165431-90-1

Formula:

C₁₁H₁₉NO₃

Molecular weight:

213.28

Ref: 4Z-B-105041

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Vigabatrin Impurity 1

CAS:2324151-81-5

Formula:

C₈H₁₁NO₃

Color and Shape:

White To Off-White Solid

Molecular weight:

169.18

Ref: 4Z-V-039009

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Pregabalin EP Impurity A

CAS:181289-23-6

Formula:

C₈H₁₅NO

Color and Shape:

White To Off-White Solid

Molecular weight:

141.21

Ref: 4Z-P-2732

Estimated delivery in United States, on Monday 7 Feb 2022

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Brivaracetam Impurity 12

Formula:

C₁₁H₂₀N₂O₂

Color and Shape:

White To Off-White Solid

Molecular weight:

212.29

Ref: 4Z-B-105018

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Acetazolamide EP Impurity B

CAS:5393-55-5

Formula:

C₄H₅N₃OS

Color and Shape:

White To Off-White Solid

Molecular weight:

143.17

Ref: 4Z-A-355

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Valproic Acid EP Impurity J

CAS:5340-48-7

Formula:

C₁₁H₂₁N

Color and Shape:

Pale Brown Liquid

Molecular weight:

167.30

Ref: 4Z-V-0610

Estimated delivery in United States, on Monday 7 Feb 2022

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(R)-Levetiracetam EP Impurity A

CAS:103833-72-3

Formula:

C₈H₁₃NO₃

Color and Shape:

White To Off-White Solid

Molecular weight:

171.20

Ref: 4Z-L-0510

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Topiramate EP Impurity A

CAS:20880-92-6

Formula:

C₁₂H₂₀O₆

Color and Shape:

White To Off-White Solid

Molecular weight:

260.29

Ref: 4Z-T-052

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Pregabalin Impurity 17

CAS:181289-11-2

Formula:

C₁₀H₁₈O₄

Color and Shape:

Colorless Liquid

Molecular weight:

202.25

Ref: 4Z-P-2743

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Lacosamide Impurity 6

Formula:

C₁₄H₂₀N₂O₃

Color and Shape:

Colorless Oil

Molecular weight:

264.33

Ref: 4Z-L-2811

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Brivaracetam Impurity 5

CAS:1942054-60-5

Formula:

C₇H₁₃BrO₂

Color and Shape:

Pale Yellow Liquid

Molecular weight:

209.08

Ref: 4Z-B-105011

Estimated delivery in United States, on Monday 7 Feb 2022

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Everolimus Impurity 1 (O-Desmethyl Everolimus)

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Everolimus Impurity 1 (O-Desmethyl Everolimus)

CAS:745779-75-3

Formula:

C₅₂H₈₁NO₁₄

Color and Shape:

White To Off-White Solid

Molecular weight:

944.21

Ref: 4Z-E-106

Estimated delivery in United States, on Monday 7 Feb 2022

+ info

Everolimus

CAS:159351-69-6

Formula:

C₅₃H₈₃NO₁₄

Color and Shape:

White To Off-White Solid

Molecular weight:

958.24

Ref: 4Z-E-101

Estimated delivery in United States, on Monday 7 Feb 2022

+ info

+ info

Lamotrigine N2-Oxide

CAS:136565-76-9

Formula:

C₉H₇Cl₂N₅O

Color and Shape:

Yellow Solid

Molecular weight:

272.09

Ref: 4Z-L-0116

Estimated delivery in United States, on Monday 7 Feb 2022

+ info

+ info

Lamotrigine-13C3

CAS:1188265-38-4 84057-84-1

Formula:

C₆₁₃C₃H₇Cl₂N₅

Molecular weight:

259.07

Ref: 4Z-L-011

Estimated delivery in United States, on Monday 7 Feb 2022

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Carbamazepine EP Impurity C (N-Carbamoyl Carbamazepine)

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Carbamazepine EP Impurity C (N-Carbamoyl Carbamazepine)

CAS:1219170-51-0

Formula:

C₁₆H₁₃N₃O₂

Color and Shape:

White To Off-White Solid

Molecular weight:

279.30

Ref: 4Z-O-0621

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Topiramate Impurity 3

CAS:32785-90-3

Formula:

C₁₂H₁₉ClO₅

Color and Shape:

White To Off-White Solid

Molecular weight:

278.73

Ref: 4Z-T-0512

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Brivaracetam Impurity 7 HCl

CAS:357338-46-6 748760-80-7

Formula:

C₁₃H₂₆N₂O₃HCl

Color and Shape:

White To Off-White Solid

Molecular weight:

258.36 36.46

Ref: 4Z-B-105013

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

rac-Lacosamide-d6

CAS:1219042-50-8

Formula:

C₁₃H₁₂D₆N₂O₃

Color and Shape:

White To Off-White Solid

Molecular weight:

256.33

Ref: 4Z-L-285

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Pregabalin Impurity 19

CAS:89015-27-0

Formula:

C₁₁H₁₄O₃

Color and Shape:

White To Off-White Solid

Molecular weight:

194.23

Ref: 4Z-P-2747

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

5,6-Dehydro Pregabalin

CAS:1136478-30-2

Formula:

C₈H₁₅NO₂

Color and Shape:

White To Off-White Solid

Molecular weight:

157.21

Ref: 4Z-P-276

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Oxcarbazepine EP Impurity L

Formula:

C₁₇H₁₄N₂O₃

Color and Shape:

White To Off-White Solid

Molecular weight:

294.31

Ref: 4Z-O-0624

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Lacosamide Impurity 7

Formula:

C₁₄H₂₀N₂O₃

Color and Shape:

Colorless Liquid

Molecular weight:

264.33

Ref: 4Z-L-2822

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Pregabalin Impurity 37 D-Tartrate

CAS:1567946-71-7

Formula:

C₁₀H₂₂N₂OC₄H₆O₆

Color and Shape:

White To Off-White Solid

Molecular weight:

186.30 150.09

Ref: 4Z-P-2764

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Levetiracetam Impurity 7

CAS:1867585-44-1

Formula:

C₈H₁₇N₃O₂

Color and Shape:

White To Off-White Solid

Molecular weight:

187.24

Ref: 4Z-L-0512

Estimated delivery in United States, on Monday 7 Feb 2022

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Vigabatrin EP Impurity F HCl (Mixture of Diastereomers)

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Vigabatrin EP Impurity F HCl (Mixture of Diastereomers)

CAS:794466-81-2

Formula:

C₁₂H₂₀N₂O₃HCl

Color and Shape:

White To Off-White Solid

Molecular weight:

240.30 36.46

Ref: 4Z-V-039008

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Levetiracetam Impurity 18

CAS:79194-54-0

Formula:

C₄H₅Cl₃O

Molecular weight:

175.43

Ref: 4Z-L-0523

Estimated delivery in United States, on Monday 7 Feb 2022

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Lacosamide EP Impurity A ((S)-Lacosamide)

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Lacosamide EP Impurity A ((S)-Lacosamide)

CAS:175481-37-5

Formula:

C₁₃H₁₈N₂O₃

Color and Shape:

White To Off-White Solid

Molecular weight:

250.30

Ref: 4Z-L-2812

Estimated delivery in United States, on Monday 7 Feb 2022

+ info

Brivaracetam

CAS:357336-20-0

Formula:

C₁₁H₂₀N₂O₂

Color and Shape:

White To Off-White Solid

Molecular weight:

212.29

Ref: 4Z-B-105001

Estimated delivery in United States, on Monday 7 Feb 2022

+ info

10,11-Dihydro-10,11-Dihydroxy Carbamazepine-d4 (Mixture of Diastereomers)

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10,11-Dihydro-10,11-Dihydroxy Carbamazepine-d4 (Mixture of Diastereomers)

CAS:35079-97-1

Formula:

C₁₅H₁₀D₄N₂O₃

Color and Shape:

White To Off-White Solid

Molecular weight:

274.31

Ref: 4Z-O-0611

Estimated delivery in United States, on Monday 7 Feb 2022

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Topiramate

CAS:97240-79-4

Formula:

C₁₂H₂₁NO₈S

Color and Shape:

White To Off-White Solid

Molecular weight:

339.36

Ref: 4Z-T-0511

Estimated delivery in United States, on Monday 7 Feb 2022

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Lacosamide EP Impurity J HCl (Benzylamine HCl)

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Lacosamide EP Impurity J HCl (Benzylamine HCl)

CAS:3287-99-8

Formula:

C₇H₉NHCl

Color and Shape:

White To Off-White Solid

Molecular weight:

107.16 36.46

Ref: 4Z-L-286

Estimated delivery in United States, on Monday 7 Feb 2022

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4,5-Dehydro Pregabalin Formate

CAS:216576-74-8

Formula:

C₈H₁₅NO₂CH₂O₂

Color and Shape:

Off-White Solid

Molecular weight:

157.21 46.03

Ref: 4Z-P-275

Estimated delivery in United States, on Monday 7 Feb 2022

+ info

+ info

Acetazolamide EP Impurity C

CAS:32873-56-6

Formula:

C₄H₅N₃OS₂

Color and Shape:

White To Off-White Solid

Molecular weight:

175.22

Ref: 4Z-A-356

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Lacosamide EP Impurity H (SS-Isomer)

CAS:1375090-19-9

Formula:

C₁₇H₂₅N₃O₅

Color and Shape:

White To Off-White Solid

Molecular weight:

351.40

Ref: 4Z-L-2827

Estimated delivery in United States, on Monday 7 Feb 2022

+ info

+ info

Lacosamide-d3 (Acetyl-d3)

CAS:175481-36-4

Formula:

C₁₃H₁₅D₃N₂O₃

Color and Shape:

White To Off-White Solid

Molecular weight:

253.32

Ref: 4Z-L-283

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Pregabalin Impurity 13

CAS:916982-10-0

Formula:

C₉H₁₅NO₂

Color and Shape:

White To Off-White Solid

Molecular weight:

169.23

Ref: 4Z-P-2717

Estimated delivery in United States, on Monday 7 Feb 2022

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10-Methoxyiminostilbene (Oxcarbazepine EP Impurity H)

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10-Methoxyiminostilbene (Oxcarbazepine EP Impurity H)

CAS:4698-11-7

Formula:

C₁₅H₁₃NO

Molecular weight:

223.28

Ref: 4Z-C-198

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Pregabalin Impurity 25

Formula:

C₁₄H₁₉NO

Color and Shape:

Off-White Solid

Molecular weight:

217.31

Ref: 4Z-P-2753

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Pregabalin Impurity PD0310886

Formula:

C₁₄H₂₅NO₆

Color and Shape:

White To Off-White Solid

Molecular weight:

303.36

Ref: 4Z-P-2734

Estimated delivery in United States, on Monday 7 Feb 2022

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rac-Pregabalin

CAS:128013-69-4

Formula:

C₈H₁₇NO₂

Color and Shape:

White To Off-White Solid

Molecular weight:

159.23

Ref: 4Z-P-279

Estimated delivery in United States, on Monday 7 Feb 2022

+ info

10,11-Dihydro-10-Hydroxy Carbamazepine-d4 (rac-Licarbazepine-d4)

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10,11-Dihydro-10-Hydroxy Carbamazepine-d4 (rac-Licarbazepine-d4)

CAS:1188265-49-7

Formula:

C₁₅H₁₀D₄N₂O₂

Color and Shape:

White To Off-White Solid

Molecular weight:

258.31

Ref: 4Z-O-064

Estimated delivery in United States, on Monday 7 Feb 2022

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+ info

Valproic Acid EP Impurity I

CAS:13310-75-3

Formula:

C₈H₁₅N

Color and Shape:

Colorless Liquid

Molecular weight:

125.22

Ref: 4Z-V-069

Estimated delivery in United States, on Monday 7 Feb 2022

+ info