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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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BrandProduct dataPurityPrice rangeEstimated delivery
Clidinium Bromide Related Compound A (3-Hydroxy-1-methylquinuclindinium Bromide)
REF: 45-1135021CAS: 2096336-00-2 		- - -1,552.00 €Mon 02 Dec 24
Doxazosin Related Compound B (6,7-dimethoxyquinazoline-2,4-dione)
REF: 45-1225441CAS: 28888-44-0 		- - -1,477.00 €Mon 02 Dec 24
Ketorolac Related Compound C (5-benzoyl-2,3-dihydro-1H-pyrrolizin-1-one)
REF: 45-1356337CAS: 113502-52-6 		- - -1,477.00 €Mon 02 Dec 24
Dermatan Sulfate
REF: 45-1171455CAS: 54328-33-5 		- - -1,583.00 €Mon 02 Dec 24
Tizanidine Related Compound B (N-acetyltizanidine)
REF: 45-1667924CAS: 173532-15-5 		- - -1,371.00 €Mon 02 Dec 24
Clonazepam Related Compound B (2-Amino-2'-chloro-5-nitrobenzophenone)
REF: 45-1140338CAS: 2011-66-7 		- - -1,371.00 €Mon 02 Dec 24
Vinorelbine Related Compound A (4-O-Deacetylvinorelbine tartrate)
REF: 45-1714528		- - -2,084.00 €Mon 02 Dec 24
Verapamil Related Compound E (3,4-dimethoxybenzaldehyde)
REF: 45-1711439CAS: 120-14-9 		- - -1,477.00 €Mon 02 Dec 24
Uracil
REF: 45-1705753CAS: 66-22-8 		- - -444.00 €Mon 02 Dec 24
Potassium Ferricyanide
REF: 45-1548258CAS: 13746-66-2 		- - -597.00 €Mon 02 Dec 24
Diethyltoluamide Related Compound A (N,N-Diethyl-4-toluamide)
REF: 45-1197018CAS: 2728-05-4 		- - -1,552.00 €Mon 02 Dec 24
Gabapentin Related Compound E (carboxymethyl-cyclohexanecarboxylic acid)
REF: 45-1287369CAS: 67950-95-2 		- - -1,371.00 €Mon 02 Dec 24
Nepafenac Related Compound A (2-{2-Amino-3-[hydroxy(phenyl)methyl]phenyl}acetamide)
REF: 45-1460328CAS: 1246956-18-2 		- - -1,292.00 €Mon 02 Dec 24
Spironolactone Related Compound D ((2'R)-7α-(Acetyldisulfanyl)-3',4'-dihydro-5'H-spiro[androst-4-ene-17,2'-furan]-3,5'-dione)
REF: 45-1619040		- - -1,442.00 €Mon 02 Dec 24
Balsalazide Related Compound B ((E)-5-({m-[(2-Carboxyethyl)carbamoyl]phenyl}azo)-2-salicylic acid)
REF: 45-1048277CAS: 1798395-96-6 		- - -865.00 €Mon 02 Dec 24
Moexipril Related Compound E ((S)-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid, hydrochloride)
REF: 45-1445642CAS: 82586-62-7 		- - -581.00 €Mon 02 Dec 24
Desogestrel Related Compound A (13-Ethyl-11-methylene-18,19-dinor-5α,17α-pregn-3-en-20-yn-17-ol)
REF: 45-1173246CAS: 201360-82-9 		- - -1,552.00 €Mon 02 Dec 24
Famciclovir Related Compound E (2-aminopurine)
REF: 45-1269130CAS: 452-06-2 		- - -1,145.00 €Mon 02 Dec 24
Dexmedetomidine Related Compound A ((2,3-Dimethylphenyl)(1H-imidazol-4-yl)methanone)
REF: 45-1176000CAS: 91874-85-0 		- - -1,554.00 €Mon 02 Dec 24
Nitazoxanide Related Compound A (5-Nitrothiazole-2-amine)
REF: 45-1463971CAS: 121-66-4 		- - -1,371.00 €Mon 02 Dec 24
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Clidinium Bromide Related Compound A (3-Hydroxy-1-methylquinuclindinium Bromide)

CAS:2096336-00-2
Compounds containing an unfused pyridine ring in the structure, nesoi
Formula:
C8H16BrNO
Color and Shape:
White Powder
Molecular weight:
222.13

Ref: 45-1135021

Estimated delivery in United States, on Monday 2 Dec 2024
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Doxazosin Related Compound B (6,7-dimethoxyquinazoline-2,4-dione)

CAS:28888-44-0
Aromatic or modified aromatic drugs with nitrogen hetero-atom(s) only, not elsewhere specified or included
Formula:
C10H10N2O4
Color and Shape:
White Powder
Molecular weight:
222.06406

Ref: 45-1225441

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Ketorolac Related Compound C (5-benzoyl-2,3-dihydro-1H-pyrrolizin-1-one)

CAS:113502-52-6
Aromatic or modified aromatic heterocyclic compounds withnitrogen hetero-atom(s) only nesoi
Formula:
C14H11NO2
Color and Shape:
Yellow Solid
Molecular weight:
225.07898

Ref: 45-1356337

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Dermatan Sulfate

CAS:54328-33-5
Natural polymers & modified natural polymers, in primary forms, nesoi
Color and Shape:
White Powder
Molecular weight:
Average 46275

Ref: 45-1171455

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Tizanidine Related Compound B (N-acetyltizanidine)

CAS:173532-15-5
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi
Formula:
C11H10ClN5OS
Color and Shape:
Yellow Powder
Molecular weight:
295.02946

Ref: 45-1667924

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Clonazepam Related Compound B (2-Amino-2'-chloro-5-nitrobenzophenone)

CAS:2011-66-7
Amino-aldehydes, amino-ketones and amino-quinones, other than those containing more than one kind of oxygen function; …
Formula:
C13H9ClN2O3
Color and Shape:
Yellow Powder
Molecular weight:
276.03017

Ref: 45-1140338

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Vinorelbine Related Compound A (4-O-Deacetylvinorelbine tartrate)

Other alkaloids,natural or reproduced by synthesis, and their salts, ethers,esters&other derivatives, nesoi
Formula:
C43H52N4O7· 2C4H6O6
Color and Shape:
Light Yellow Off-White Powder
Molecular weight:
736.3836

Ref: 45-1714528

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Verapamil Related Compound E (3,4-dimethoxybenzaldehyde)

CAS:120-14-9
Aldehyde-ethers, aldehyde-phenols and aldehydes with ot
Formula:
C9H10O3
Color and Shape:
Powder
Molecular weight:
166.06299

Ref: 45-1711439

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Uracil

CAS:66-22-8
Compounds containing a pyrimidine ring (whether or not
Formula:
C4H4N2O2
Color and Shape:
White Off-White Powder
Molecular weight:
112.02728

Ref: 45-1705753

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Potassium Ferricyanide

CAS:13746-66-2
Complex cyanides
Formula:
K3Fe(CN)6
Molecular weight:
328.8445

Ref: 45-1548258

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Diethyltoluamide Related Compound A (N,N-Diethyl-4-toluamide)

CAS:2728-05-4
Aromatic cyclic amides (including cyclic carbamates) and their derivatives; salts thereof
Formula:
C12H17NO
Color and Shape:
White Crystals
Molecular weight:
191.13101

Ref: 45-1197018

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Gabapentin Related Compound E (carboxymethyl-cyclohexanecarboxylic acid)

CAS:67950-95-2
Cyclanic, cyclenic or cycloterpenic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives
Formula:
C9H14O4
Color and Shape:
White Powder
Molecular weight:
186.08921

Ref: 45-1287369

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Nepafenac Related Compound A (2-{2-Amino-3-[hydroxy(phenyl)methyl]phenyl}acetamide)

CAS:1246956-18-2
Aromatic cyclic amides (including cyclic carbamates) and their derivatives; salts thereof
Formula:
C15H16N2O2
Color and Shape:
White Solid
Molecular weight:
256.12118

Ref: 45-1460328

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Spironolactone Related Compound D ((2'R)-7α-(Acetyldisulfanyl)-3',4'-dihydro-5'H-spiro[androst-4-ene-17,2'-furan]-3,5'-dione)

Adrenal cortical hormones and their derivatives nesoi
Formula:
C24H32O4S2
Color and Shape:
White Powder
Molecular weight:
448.1742

Ref: 45-1619040

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Balsalazide Related Compound B ((E)-5-({m-[(2-Carboxyethyl)carbamoyl]phenyl}azo)-2-salicylic acid)

CAS:1798395-96-6
Diazo-, azo-, or azoxy-compounds
Formula:
C17H15N3O6
Color and Shape:
Orange Brown Powder
Molecular weight:
357.09609

Ref: 45-1048277

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Moexipril Related Compound E ((S)-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid, hydrochloride)

CAS:82586-62-7
Compounds (excluding drugs and pesticides) containing a
Formula:
C12H16ClNO4
Color and Shape:
Powder
Molecular weight:
273.07679

Ref: 45-1445642

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Desogestrel Related Compound A (13-Ethyl-11-methylene-18,19-dinor-5α,17α-pregn-3-en-20-yn-17-ol)

CAS:201360-82-9
Sterols and inositols
Formula:
C22H30O
Color and Shape:
White Powder
Molecular weight:
310.22967

Ref: 45-1173246

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Famciclovir Related Compound E (2-aminopurine)
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Famciclovir Related Compound E (2-aminopurine)

CAS:452-06-2
Aromatic or modified aromatic drugs with nitrogen heter
Formula:
C5H5N5
Color and Shape:
Powder
Molecular weight:
135.0545

Ref: 45-1269130

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Dexmedetomidine Related Compound A ((2,3-Dimethylphenyl)(1H-imidazol-4-yl)methanone)

CAS:91874-85-0
Compounds containing an unfused imidazole ring, whether or not hydrogenated, in the structure, nesoi
Formula:
C12H12N2O
Color and Shape:
White Powder
Molecular weight:
200.09496

Ref: 45-1176000

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Nitazoxanide Related Compound A (5-Nitrothiazole-2-amine)
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Nitazoxanide Related Compound A (5-Nitrothiazole-2-amine)

CAS:121-66-4
Compounds containing an unfused thiazole ring (whether
Formula:
C3H3N3O2S
Color and Shape:
Yellow Powder
Molecular weight:
145.15 g/mol

Ref: 45-1463971

Estimated delivery in United States, on Monday 2 Dec 2024
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