Active pharmaceutical ingredient (API) impurities for research

All products contained in this category are intended for laboratory use only, and are not meant for human consumption.

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Product data	Purity	Price range	Estimated delivery
4-Hydroxy-N-desbutyl Bupivacaine REF: TR-H941680CAS: 51989-48-1	- - -	165.00 €~582.00 €	Fri 25 Oct 24
14,15-Dehydro Fluocinolone Acetonide REF: TR-D230135	- - -	289.00 €~2,080.00 €	Fri 25 Oct 24
Bis(2-chloroethyl)-1,1,2,2-d4-amine Hydrochloride REF: TR-B418803CAS: 352431-06-2	- - -	227.00 €~1,597.00 €	Fri 25 Oct 24
D-Isolysergic Acid Amide REF: TR-I821055CAS: 2889-26-1	- - -	253.00 €~1,671.00 €	Fri 25 Oct 24
3,4-Dihydroxyphenylacetic Acid-13C,18O2 REF: TR-D454252CAS: 1189915-73-8	- - -	308.00 €~2,001.00 €	Fri 25 Oct 24
Lithocholic Acid REF: TR-L469180CAS: 434-13-9	- - -	108.00 €~296.00 €	Fri 25 Oct 24
N-Desmethyl Diphenhydramine-d3 Hydrochloride REF: TR-D291782CAS: 1794759-12-8	- - -	264.00 €~1,754.00 €	Fri 25 Oct 24
Dihydrodigoxin (Mixture of Diastereomers) REF: TR-D452680CAS: 5297-10-9	- - -	330.00 €~2,139.00 €	Fri 25 Oct 24
2-Pyridinamine-d4 REF: TR-P991787CAS: 87802-54-8	- - -	260.00 €~854.00 €	Fri 25 Oct 24
a-Hydroxy Trimethoprim (Impurity) REF: TR-H971985CAS: 29606-06-2	- - -	316.00 €~2,018.00 €	Fri 25 Oct 24
Lansoprazole-d4 REF: TR-L175002CAS: 934294-22-1	- - -	222.00 €~1,264.00 €	Fri 25 Oct 24
Rosuvastatin Lactone-D₆ REF: TR-R700552CAS: 503610-43-3	- - -	381.00 €~2,564.00 €	Fri 25 Oct 24
16a-Methyl(d3)-9,11-dehydro Prednisolone REF: TR-M295306CAS: 13209-41-1	- - -	374.00 €	Fri 25 Oct 24
N-(2-Hydroxyethyl)nicotinamide REF: TR-H942365CAS: 6265-73-2	- - -	190.00 €~1,674.00 €	Fri 25 Oct 24
3(R,S)-Hydroxy Desogestrel REF: TR-H939000CAS: 869627-85-0	- - -	207.00 €~1,627.00 €	Fri 25 Oct 24
3-Chlorodiphenylamine REF: TR-C377600CAS: 101-17-7	- - -	236.00 €	Fri 25 Oct 24
Vindoline REF: TR-V416500CAS: 2182-14-1	- - -	98.00 €~464.00 €	Fri 25 Oct 24
(16b)-17,21-Dihydroxy-16b-methyl-pregna-1,4,9(11)-triene-3,20-dione REF: TR-D453255CAS: 13504-15-9	- - -	276.00 €~1,840.00 €	Fri 25 Oct 24
1,1-Cyclobutanedicarboxylic Acid REF: TR-B416503CAS: 5445-51-2	- - -	97.00 €~333.00 €	Fri 25 Oct 24
4-[4-(4-Chlorophenyl)-4-hydroxy-1-piperidinyl]-1-[4-[4-(4-chlorophenyl)-4-hydroxy-1-piperidinyl]phenyl]-1-butanone REF: TR-C378515CAS: 67987-08-0	- - -	315.00 €~1,981.00 €	Fri 25 Oct 24

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4-Hydroxy-N-desbutyl Bupivacaine

Controlled Product

CAS:51989-48-1

Applications Bupivacaine metabolite. References Goehl, T. J. et al.: Xenobiotica 3, 761 (1973)

Formula:

C₁₄H₂₀N₂O₂

Color and Shape:

Neat

Molecular weight:

248.32

Ref: TR-H941680

5mg		165.00 €
10mg		252.00 €
25mg		582.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

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14,15-Dehydro Fluocinolone Acetonide

Impurity Fluocinolone Acetonide EP Impurity I Applications 14,15-Dehydro Fluocinolone Acetonide is an impurity of Fluocinolone …

Formula:

C₂₄H₂₈F₂O₆

Color and Shape:

Neat

Molecular weight:

450.47

Ref: TR-D230135

1mg		289.00 €
5mg		1,215.00 €
10mg		2,080.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

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Bis(2-chloroethyl)-1,1,2,2-d4-amine Hydrochloride

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Bis(2-chloroethyl)-1,1,2,2-d4-amine Hydrochloride

Controlled Product

CAS:352431-06-2

Applications Isotope labelled Bis(2-chloroethyl)amine is a cytotoxic metabolite of Cyclophosphamide; a deuterated analog of Nor-nitrogen …

Formula:

C₄H₄H₅Cl₂N·ClH

Color and Shape:

Neat

Molecular weight:

182.51

Ref: TR-B418803

10mg		227.00 €
100mg		1,597.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

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D-Isolysergic Acid Amide

Controlled Product

CAS:2889-26-1

Applications D-Isolysergic Acid Amide is a psychotropic alkaloid found in the seeds of Argyreia nervosa …

Formula:

C₁₆H₁₇N₃O

Color and Shape:

Neat

Molecular weight:

267.33

Ref: TR-I821055

5mg		253.00 €
50mg		1,671.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

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3,4-Dihydroxyphenylacetic Acid-13C,18O2

CAS:1189915-73-8

Applications A labelled metabolite of Dopamine. References Johnson, S., et al.: J. Physiol., 450, 455 …

Formula:

C₇₁₃CH₈O₂₁₈O₂

Color and Shape:

Neat

Molecular weight:

173.14

Ref: TR-D454252

1mg		308.00 €
10mg		2,001.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

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Lithocholic Acid

Controlled Product

CAS:434-13-9

Applications A cholic acid derivative as TGR5 modulator. Found in ox bile, human bile, rabbit …

Formula:

C₂₄H₄₀O₃

Color and Shape:

White To Off-White

Molecular weight:

376.57

Ref: TR-L469180

1g		156.00 €
25g		296.00 €
50mg		108.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

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N-Desmethyl Diphenhydramine-d3 Hydrochloride

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N-Desmethyl Diphenhydramine-d3 Hydrochloride

Controlled Product

CAS:1794759-12-8

Applications Labelled N-Desmethyl Diphenhydramine (D291780). N-Desmethyl Diphenhydramine is an impurity of Diphenhydramine (D486900) with antihistaminic …

Formula:

C₁₆H₁₇D₃ClNO

Color and Shape:

Neat

Molecular weight:

280.81

Ref: TR-D291782

25mg		1,754.00 €
2500µg		264.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

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Dihydrodigoxin (Mixture of Diastereomers)

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Dihydrodigoxin (Mixture of Diastereomers)

Controlled Product

CAS:5297-10-9

Applications Dihydrodigoxin is a cardioinactive metabolite of Digoxin (D446575) that gets excreted in the urine …

Formula:

C₄₁H₆₆O₁₄

Color and Shape:

Neat

Molecular weight:

782.95

Ref: TR-D452680

10mg		330.00 €
100mg		2,139.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

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2-Pyridinamine-d4

Controlled Product

CAS:87802-54-8

Applications 2-Pyridinamine-d4 is a labelled intermediate in the synthesis of Methylphenidate (M325880), an CNS stimulant.

Formula:

C₅H₂D₄N₂

Color and Shape:

Neat

Molecular weight:

98.14

Ref: TR-P991787

10mg		260.00 €
25mg		545.00 €
50mg		854.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

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a-Hydroxy Trimethoprim (Impurity)

Controlled Product

CAS:29606-06-2

Applications α-Hydroxy Trimethoprim is an impurity of Trimethoprim (T795615), an antibacterial agent that is commonly …

Formula:

C₁₄H₁₈N₄O₄

Color and Shape:

Off White Solid

Molecular weight:

306.32

Ref: TR-H971985

25mg		316.00 €
250mg		2,018.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

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Lansoprazole-d4

Controlled Product

CAS:934294-22-1

Formula:

C₁₆H₄H₁₀F₃N₃O₂S

Color and Shape:

Neat

Molecular weight:

373.39

Ref: TR-L175002

5mg		311.00 €
25mg		1,264.00 €
2500µg		222.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

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Rosuvastatin Lactone-D₆

Controlled Product

CAS:503610-43-3

Formula:

C₂₂H₂₀D₆FN₃O₅S

Color and Shape:

Neat

Molecular weight:

469.56

Ref: TR-R700552

1mg		381.00 €
10mg		2,564.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

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16a-Methyl(d3)-9,11-dehydro Prednisolone

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16a-Methyl(d3)-9,11-dehydro Prednisolone

Controlled Product

CAS:13209-41-1

Formula:

C₂₂D₃H₂₅O₄

Color and Shape:

Neat

Molecular weight:

359.47

Ref: TR-M295306

10mg 374.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

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N-(2-Hydroxyethyl)nicotinamide

Controlled Product

CAS:6265-73-2

Applications N-(2-Hydroxyethyl)nitotinamide is an intermediate used to prepare oxadiazole oxide derivatives as vasodilators. It is …

Formula:

C₈H₁₀N₂O₂

Color and Shape:

Light Yellow Powder

Molecular weight:

166.18

Ref: TR-H942365

1g		473.00 €
5g		1,674.00 €
250mg		190.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

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3(R,S)-Hydroxy Desogestrel

Controlled Product

CAS:869627-85-0

Applications A metabolite of Desogestrel. References Back, D., et al.: Br. J. Clin. Pharmacol., 26, …

Formula:

C₂₂H₃₀O₂

Color and Shape:

Neat

Molecular weight:

326.47

Ref: TR-H939000

10mg		207.00 €
50mg		872.00 €
100mg		1,627.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

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3-Chlorodiphenylamine

Controlled Product

CAS:101-17-7

Applications 3-Chlorodiphenylamine (cas# 101-17-7) is a compound useful in organic synthesis.

Formula:

C₁₂H₁₀ClN

Color and Shape:

Neat

Molecular weight:

203.67

Ref: TR-C377600

1g 236.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

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Vindoline

Controlled Product

CAS:2182-14-1

Formula:

C₂₅H₃₂N₂O₆

Color and Shape:

Neat

Molecular weight:

456.53

Ref: TR-V416500

5mg		98.00 €
10mg		116.00 €
50mg		464.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

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(16b)-17,21-Dihydroxy-16b-methyl-pregna-1,4,9(11)-triene-3,20-dione

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(16b)-17,21-Dihydroxy-16b-methyl-pregna-1,4,9(11)-triene-3,20-dione

Controlled Product

CAS:13504-15-9

Impurity Betamethasone EP Impurity C Applications (16β)-17,21-Dihydroxy-16β-methyl-pregna-1,4,9(11)-triene-3,20-dione (Betamethasone EP Impurity C) is used in biological …

Formula:

C₂₂H₂₈O₄

Color and Shape:

Neat

Molecular weight:

356.46

Ref: TR-D453255

25mg		1,840.00 €
2500µg		276.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

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1,1-Cyclobutanedicarboxylic Acid

CAS:5445-51-2

Applications 1,1-Cyclobutanedicarboxylic Acid is used in the design, studies and structural model of antitumor dicycloplatin …

Formula:

C₆H₈O₄

Color and Shape:

Neat

Molecular weight:

144.13

Ref: TR-B416503

5g		97.00 €
10g		113.00 €
100g		333.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

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4-[4-(4-Chlorophenyl)-4-hydroxy-1-piperidinyl]-1-[4-[4-(4-chlorophenyl)-4-hydroxy-1-piperidinyl]ph…

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4-[4-(4-Chlorophenyl)-4-hydroxy-1-piperidinyl]-1-[4-[4-(4-chlorophenyl)-4-hydroxy-1-piperidinyl]phenyl]-1-butanone

CAS:67987-08-0

Applications 4-[4-(4-Chlorophenyl)-4-hydroxy-1-piperidinyl]-1-[4-[4-(4-chlorophenyl)-4-hydroxy-1-piperidinyl]phenyl]-1-butanone is an impurity of Haloperidol (H103700), an antipsychotic agent. References Morris, A.P., et …

Formula:

C₃₂H₃₆Cl₂N₂O₃

Color and Shape:

Beige

Molecular weight:

567.55

Ref: TR-C378515

1g		1,981.00 €
100mg		315.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

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