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
Praziquantel Related Compound C (2-(N-formylhexahydrohippuroyl)-1,2,3,4-tetrahydroisoquinolin-1-one) REF: 45-1554670CAS: 125273-88-3	- - -	1,477.00 €	Tue 10 Dec 24
Metaraminol Related Compound A ((E)-1-[3-(benzyloxy)phenyl]-2-(hydroxyimino)propan-1-one) REF: 45-1396036	- - -	1,328.00 €	Tue 10 Dec 24
Moxifloxacin Related Compound E (1-Cyclopropyl-6-fluoro-8-hydroxy-1,4-dihydro-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-3-quinolinecarboxylic acid hydrochloride) REF: 45-1448655	- - -	1,441.00 €	Tue 10 Dec 24
Dihydrodutasteride (N-[2,5-Bis(trifluoromethyl)phenyl]-3-oxo-4-aza-5α-androst-1-ene-17β-carboxamide) REF: 45-1200917CAS: 164656-22-8	- - -	1,398.00 €	Tue 10 Dec 24
Sibutramine Related Compound D (N-{1-[1-(4-chlorophenyl)cyclobutyl]-3-methylbutyl}-N-methylamine hydrochloride) REF: 45-1612889CAS: 84467-94-7	- - -	1,292.00 €	Tue 10 Dec 24
Diatrizoic Acid Related Compound A (5-Acetamido-3-amino-2,4,6-triiodobenzoic Acid) REF: 45-1184027CAS: 1713-07-1	- - -	1,371.00 €	Tue 10 Dec 24
Amoxicillin Related Compound F (3-(4-Hydroxyphenyl)pyrazin-2-ol; phenylpyrazinediol) REF: 45-1031569CAS: 126247-63-0	- - -	1,477.00 €	Tue 10 Dec 24
Beclomethasone Dipropionate Related Compound A (9-Chloro-11β,17-dihydroxy-16β-methyl-3,20-dioxopregna-1,4-diene-21-yl propionate) REF: 45-1048517CAS: 69224-79-9	- - -	1,222.00 €	Tue 10 Dec 24
Benzphetamine Related Compound E ((1S,2S)-2-[Benzyl(methyl)amino]-1-phenylpropan-1-ol hydrochloride) REF: 45-1059058CAS: 1591807-86-1	- - -	950.00 €	Tue 10 Dec 24
Bendamustine Related Compound H (4-[5-({2-[(4-{5-[Bis(2-chloroethyl)amino]-1-methyl-1H-benzimidazol-2-yl}butanoyl)oxy]ethyl}(2-chloroethyl)amino)-1-methyl-1H-benzimidazol-2-yl]butanoic acid) REF: 45-1065301CAS: 1228551-91-4	- - -	1,357.00 €	Tue 10 Dec 24
Tetracaine Related Compound B (4-(Butylamino)benzoic acid) REF: 45-1650017CAS: 4740-24-3	- - -	1,371.00 €	Tue 10 Dec 24
Moexipril Related Compound B ((S)-ethyl 2-{(3S,11aS)-8,9-dimethoxy-3-methyl-1,4-dioxo-3,4-dihydro-1H-pyrazino[1,2-b]isoquinolin-2(6H,11H,11aH)-yl}-4-phenylbutanoate) REF: 45-1445619CAS: 103733-51-3	- - -	581.00 €	Tue 10 Dec 24
Donepezil-N-Oxide REF: 45-1224970CAS: 120013-84-5	- - -	1,346.00 €	Tue 10 Dec 24
Methylphenidate Hydrochloride Erythro Isomer Solution REF: 45-1434011CAS: 29419-97-4	- - -	1,732.00 €	Tue 10 Dec 24
Lovastatin Epimer Mixture (Epilovastatin and Lovastatin 1:1 Mixture) REF: 45-1236833	- - -	905.00 €	Tue 10 Dec 24
Fentanyl Related Compound B (4-Anilinopiperidine) REF: 45-1269924CAS: 23056-29-3	- - -	1,477.00 €	Tue 10 Dec 24
Articaine Related Compound A (Methyl 4-methyl-3-[2-(propylamino)acetamido]thiophene-2-carboxylate hydrochloride) REF: 45-1042929	- - -	1,439.00 €	Tue 10 Dec 24
Zolmitriptan Related Compound H (4,4-Diethoxy-N,N-dimethylbutan-1-amine) REF: 45-1727097CAS: 1116-77-4	- - -	1,552.00 €	Tue 10 Dec 24
Etidronate Disodium Related Compound A (Sodium phosphite dibasic pentahydrate) REF: 45-1268513CAS: 13517-23-2	- - -	1,371.00 €	Tue 10 Dec 24
Almotriptan Related Compound B (2-{5-[(pyrrolidin-1-ylsulfonyl)methyl]-1H-indol-3-yl}ethanamine hemifumarate) REF: 45-1013545CAS: 1246860-65-0	- - -	931.00 €	Tue 10 Dec 24

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Praziquantel Related Compound C (2-(N-formylhexahydrohippuroyl)-1,2,3,4-tetrahydroisoquinolin-1-one)

CAS:125273-88-3

Lactams not elsewhere specified or included

Formula:

C₁₉H₂₂N₂O₄

Color and Shape:

White Crystalline Powder

Molecular weight:

342.39

Ref: 45-1554670

Estimated delivery in United States, on Tuesday 10 Dec 2024

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Metaraminol Related Compound A ((E)-1-[3-(benzyloxy)phenyl]-2-(hydroxyimino)propan-1-one)

Aromatic imines and their derivatives, salts thereof

Formula:

C₁₆H₁₆NO₃

Color and Shape:

Off-White Solid

Molecular weight:

270.11302

Ref: 45-1396036

Estimated delivery in United States, on Tuesday 10 Dec 2024

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Moxifloxacin Related Compound E (1-Cyclopropyl-6-fluoro-8-hydroxy-1,4-dihydro-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-3-quinolinecarboxylic acid hydrochloride)

Compounds (excluding drugs and pesticides) containing a quinoline or isoquinoline ring

Formula:

C₂₀H₂₂FN₃O₄·HCl

Color and Shape:

Powder

Molecular weight:

387.15943

Ref: 45-1448655

Estimated delivery in United States, on Tuesday 10 Dec 2024

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Dihydrodutasteride (N-[2,5-Bis(trifluoromethyl)phenyl]-3-oxo-4-aza-5α-androst-1-ene-17β-carboxamide)

CAS:164656-22-8

Lactams not elsewhere specified or included

Formula:

C₂₇H₃₂F₆N₂O₂

Color and Shape:

White Solid

Molecular weight:

530.2368

Ref: 45-1200917

Estimated delivery in United States, on Tuesday 10 Dec 2024

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Sibutramine Related Compound D (N-{1-[1-(4-chlorophenyl)cyclobutyl]-3-methylbutyl}-N-methylamine hydrochloride)

CAS:84467-94-7

Aromatic monoamines not elsewhere specified or included

Formula:

C₁₆H₂₄ClN·HCl

Color and Shape:

Powder

Molecular weight:

265.15973

Ref: 45-1612889

Estimated delivery in United States, on Tuesday 10 Dec 2024

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Diatrizoic Acid Related Compound A (5-Acetamido-3-amino-2,4,6-triiodobenzoic Acid)

CAS:1713-07-1

Aromatic cyclic amides (including cyclic carbamates) and their derivatives; salts thereof

Formula:

C₉H₇I₃N₂O₃

Color and Shape:

Off-White Light Yellow Powder

Molecular weight:

571.75908

Ref: 45-1184027

Estimated delivery in United States, on Tuesday 10 Dec 2024

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Amoxicillin Related Compound F (3-(4-Hydroxyphenyl)pyrazin-2-ol; phenylpyrazinediol)

CAS:126247-63-0

Aromatic or modified aromatic heterocyclic compounds withnitrogen hetero-atom(s) only nesoi

Formula:

C₁₀H₈N₂O₂

Color and Shape:

Yellow Powder

Molecular weight:

188.05858

Ref: 45-1031569

Estimated delivery in United States, on Tuesday 10 Dec 2024

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Beclomethasone Dipropionate Related Compound A (9-Chloro-11β,17-dihydroxy-16β-methyl-3,20-dioxopregna-1,4-diene-21-yl propionate)

CAS:69224-79-9

Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides etc, nesoi

Formula:

C₂₅H₃₃ClO₆

Color and Shape:

White Off-White Powder

Molecular weight:

464.19657

Ref: 45-1048517

Estimated delivery in United States, on Tuesday 10 Dec 2024

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Benzphetamine Related Compound E ((1S,2S)-2-[Benzyl(methyl)amino]-1-phenylpropan-1-ol hydrochloride)

CAS:1591807-86-1

Aromatic drugs of amino-alcohols, other than those contg more than one kind of oxygen function, …

Formula:

C₁₇H₂₁NOHCl

Color and Shape:

White Off-White Powder

Molecular weight:

255.16231

Ref: 45-1059058

Estimated delivery in United States, on Tuesday 10 Dec 2024

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Bendamustine Related Compound H (4-[5-({2-[(4-{5-[Bis(2-chloroethyl)amino]-1-methyl-1H-benzimidazol-2-yl}butanoyl)oxy]ethyl}(2-chloroethyl)amino)-1-methyl-1H-benzimidazol-2-yl]butanoic acid)

CAS:1228551-91-4

Heterocyclic compounds with nitrogen hetero-atom(s) only, aromatic or modified aromatic, nesoi

Formula:

C₃₂H₄₁Cl₃N₆O₄

Color and Shape:

Off-White Yellow Orange Solid

Molecular weight:

678.22549

Ref: 45-1065301

Estimated delivery in United States, on Tuesday 10 Dec 2024

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Tetracaine Related Compound B (4-(Butylamino)benzoic acid)

CAS:4740-24-3

Aromatic amino-acids and their esters,other than those

Formula:

C₁₁H₁₅NO₂

Color and Shape:

White Cream Powder

Molecular weight:

193.11028

Ref: 45-1650017

Estimated delivery in United States, on Tuesday 10 Dec 2024

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Moexipril Related Compound B ((S)-ethyl 2-{(3S,11aS)-8,9-dimethoxy-3-methyl-1,4-dioxo-3,4-dihydro-1H-pyrazino[1,2-b]isoquinolin-2(6H,11H,11aH)-yl}-4-phenylbutanoate)

CAS:103733-51-3

Compounds (excluding drugs and pesticides) containing a

Formula:

C₂₇H₃₂N₂O₆

Color and Shape:

Off-White Solid

Molecular weight:

480.22604

Ref: 45-1445619

Estimated delivery in United States, on Tuesday 10 Dec 2024

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Donepezil-N-Oxide

CAS:120013-84-5

Compounds containing an unfused pyridine ring in the structure, nesoi

Formula:

C₂₄H₂₉NO₄

Color and Shape:

Powder

Molecular weight:

395.20966

Ref: 45-1224970

Estimated delivery in United States, on Tuesday 10 Dec 2024

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Methylphenidate Hydrochloride Erythro Isomer Solution

Controlled Product

CAS:29419-97-4

Compounds containing an unfused pyridine ring in the structure, nesoi

Formula:

C₁₄H₁₉NO₂·HCl

Color and Shape:

Clear Liquid

Molecular weight:

269.11826

Ref: 45-1434011

Estimated delivery in United States, on Tuesday 10 Dec 2024

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Lovastatin Epimer Mixture (Epilovastatin and Lovastatin 1:1 Mixture)

Lactones nesoi

Formula:

C₂₄H₃₆O₅

Color and Shape:

Powder

Molecular weight:

404.25627

Ref: 45-1236833

Estimated delivery in United States, on Tuesday 10 Dec 2024

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Fentanyl Related Compound B (4-Anilinopiperidine)

Controlled Product

CAS:23056-29-3

Compounds containing an unfused pyridine ring in the structure, nesoi

Formula:

C₁₁H₁₆N₂

Color and Shape:

White Powder

Molecular weight:

176.13135

Ref: 45-1269924

Estimated delivery in United States, on Tuesday 10 Dec 2024

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Articaine Related Compound A (Methyl 4-methyl-3-[2-(propylamino)acetamido]thiophene-2-carboxylate hydrochloride)

Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi

Formula:

C₁₂H₁₈N₂O₃S·HCl

Color and Shape:

Off-White White Powder

Molecular weight:

270.10381

Ref: 45-1042929

Estimated delivery in United States, on Tuesday 10 Dec 2024

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Zolmitriptan Related Compound H (4,4-Diethoxy-N,N-dimethylbutan-1-amine)

CAS:1116-77-4

Non-aromatic amino-compounds with oxygen function

Formula:

C₁₀H₂₃NO₂

Color and Shape:

Clear Colorless Liquid

Molecular weight:

189.17288

Ref: 45-1727097

Estimated delivery in United States, on Tuesday 10 Dec 2024

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Etidronate Disodium Related Compound A (Sodium phosphite dibasic pentahydrate)

CAS:13517-23-2

Phosphinates (hypophosphites) and phosphonates (phosphi

Formula:

Na₂HPO₃· 5H₂₀

Color and Shape:

White Waxy Solid

Molecular weight:

125.94587

Ref: 45-1268513

Estimated delivery in United States, on Tuesday 10 Dec 2024

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Almotriptan Related Compound B (2-{5-[(pyrrolidin-1-ylsulfonyl)methyl]-1H-indol-3-yl}ethanamine hemifumarate)

CAS:1246860-65-0

Aromatic or modified aromatic drugs with nitrogen hetero

Formula:

C₁₅H₂₁N₃O₂S·C₄H₄O₄

Color and Shape:

Powder

Molecular weight:

307.13545

Ref: 45-1013545

Estimated delivery in United States, on Tuesday 10 Dec 2024

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