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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
Mikromol logo
trans-4-(6,8-Dibromoquinazolin-3(4H)-yl)cyclohexanol Hydrochloride
REF: 86-MM0005CAS: 2356152-56-0 		- - -1,373.00 €Tue 07 May 24
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Azithromycin Related Compound H (3'-N-{[4-(Acetylamino)phenyl]sulfonyl}-3'-N-demethylazithromycin)
REF: 45-1046023CAS: 612069-30-4 		- - -1,477.00 €Thu 09 May 24
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Cyclopentylpropanoic Acid (3-Cyclopentylpropanoic acid)
REF: 45-1156167CAS: 140-77-2 		- - -187.00 €Thu 09 May 24
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Gadodiamide Related Compound B (Gadolinium disodium diethylenetriamine pentaacetic acid)
REF: 45-1287529CAS: 92923-64-3 		- - -1,357.00 €Thu 09 May 24
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Trifluridine Related Compound A (5-Carboxy-2'-deoxyuridine)
REF: 45-1686310CAS: 14599-46-3 		- - -1,477.00 €Thu 09 May 24
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Spironolactone Related Compound C ((2'R)-3',4'-Dihydro-5'H-spiro[androst-4-ene-17,2'-furan]-3,5'-dione)
REF: 45-1619039CAS: 976-70-5 		- - -1,308.00 €Thu 09 May 24
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Medroxyprogesterone Acetate Related Compound B (17-Hydroxy-6alpha-methylpregn-4-ene-3,20-dione)
REF: 45-1378023CAS: 520-85-4 		- - -1,477.00 €Thu 09 May 24
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17alpha-Dihydroequilin (Estra-1,3,5(10),7-tetraene-3,17alpha-diol)
REF: 45-1201002CAS: 651-55-8 		- - -614.00 €Thu 09 May 24
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Artemether Related Compound B ((3R,5aS,6R,8aS,9R,10R,12R,12aR)-Decahydro-10-methoxy-3,6,9-trimethyl-3,12-epoxy-12H-pyrano[4,3-j]-1,2-benzodioxepin)
REF: 45-1042805CAS: 71939-51-0 		- - -1,371.00 €Thu 09 May 24
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Fosinopril Related Compound A ((4S)-4-cyclohexyl-[(4-phenylbutyl)phosphinyl]acetyl-L-proline)
REF: 45-1283415CAS: 95399-71-6 		- - -1,371.00 €Thu 09 May 24
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Zolpidem Related Compound A (N,N-Dimethyl-2-[7-methyl-2-p-tolylimidazo[1,2-a]pyridin-3-yl]acetamide)
REF: 45-1724918CAS: 1346600-85-8 		- - -1,477.00 €Thu 09 May 24
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Pyrazinamide Related Compound B (Pyrazinecarbonitrile)
REF: 45-1585028CAS: 19847-12-2 		- - -1,222.00 €Thu 09 May 24
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Pyridostigmine Related Compound A (Pyridin-3-yl dimethylcarbamate)
REF: 45-1586020CAS: 51581-32-9 		- - -1,371.00 €Thu 09 May 24
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Tiotropium Related Compound H ((2RS,3aSR,5RS,6RS,6aRS)-6-Hydroxy-4,4-dimethylhexahydro-2H-2,5-methanofuro[3,2-b]pyrrol-4-ium bromide)
REF: 45-1667632		- - -2,587.00 €Thu 09 May 24
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Azelastine Related Compound F (4-[4-(4-Chlorobenzyl)-1-oxophthalazin-2(1H)-yl]-1-methylazepane 1-oxide)
REF: 45-1046213CAS: 640279-88-5 		- - -1,292.00 €Thu 09 May 24
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Sulindac Related Compound C ((Z)-2-{5-fluoro-2-methyl-1-[4-(methylthio)benzylidene]-1H-inden-3-yl}acetic acid)
REF: 45-1642031CAS: 49627-27-2 		- - -1,477.00 €Thu 09 May 24
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Zileuton Related Compound A (N-(1-Benzo[b]thien-2-ylethyl) urea)
REF: 45-1724667CAS: 171370-49-3 		- - -1,379.00 €Thu 09 May 24
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Isomalathion (Diethyl 2-{[methoxy(methylthio)phosphoryl]thio}succinate)
REF: 45-1349604CAS: 3344-12-5 		- - -1,292.00 €Thu 09 May 24
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Mirtazapine Related Compound C (2-Methyl-3,4,10,14b-tetrahydrobenzo[c]pyrazino[1,2-a]pyrido[3,2-f]azepin-1(2H)-one)
REF: 45-1444241CAS: 191546-96-0 		- - -1,477.00 €Thu 09 May 24
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Phenylephrine Related Compound E (2-[Benzyl(methyl)amino]-1-(3-hydroxyphenyl)ethan-1-one hydrochloride)
REF: 45-1533046CAS: 71786-67-9 		- - -1,477.00 €Thu 09 May 24
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Mikromol logo
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trans-4-(6,8-Dibromoquinazolin-3(4H)-yl)cyclohexanol Hydrochloride

CAS:2356152-56-0
Formula:
C14H16Br2N2OClH
Molecular weight:
424.56

Ref: 86-MM0005

100mg1,373.00 €
Estimated delivery in United States, on Tuesday 7 May 2024
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Azithromycin Related Compound H (3'-N-{[4-(Acetylamino)phenyl]sulfonyl}-3'-N-demethylazithromycin)

CAS:612069-30-4
Sulfonamides, nesoi
Formula:
C45H77N3O15S
Color and Shape:
White Powder
Molecular weight:
931.50754

Ref: 45-1046023

Estimated delivery in United States, on Thursday 9 May 2024
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Cyclopentylpropanoic Acid (3-Cyclopentylpropanoic acid)

CAS:140-77-2
Cyclanic, cyclenic or cycloterpenic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives
Formula:
C8H14O2
Color and Shape:
Colorless Yellow Liquid
Molecular weight:
142.09938

Ref: 45-1156167

Estimated delivery in United States, on Thursday 9 May 2024
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Gadodiamide Related Compound B (Gadolinium disodium diethylenetriamine pentaacetic acid)

CAS:92923-64-3
Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium, or of mixtures …
Formula:
C14H18GdN3Na2O10
Color and Shape:
White Powder
Molecular weight:
592.00287

Ref: 45-1287529

Estimated delivery in United States, on Thursday 9 May 2024
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Trifluridine Related Compound A (5-Carboxy-2'-deoxyuridine)

CAS:14599-46-3
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi
Formula:
C10H12N2O7
Color and Shape:
White Off-White Powder
Molecular weight:
272.06445

Ref: 45-1686310

Estimated delivery in United States, on Thursday 9 May 2024
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Spironolactone Related Compound C ((2'R)-3',4'-Dihydro-5'H-spiro[androst-4-ene-17,2'-furan]-3,5'-dione)
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Spironolactone Related Compound C ((2'R)-3',4'-Dihydro-5'H-spiro[androst-4-ene-17,2'-furan]-3,5'-dione)

CAS:976-70-5
Lactones nesoi
Formula:
C22H30O3
Color and Shape:
White Powder
Molecular weight:
342.21949

Ref: 45-1619039

Estimated delivery in United States, on Thursday 9 May 2024
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Medroxyprogesterone Acetate Related Compound B (17-Hydroxy-6alpha-methylpregn-4-ene-3,20-dione)

CAS:520-85-4
Estrogens and progestins
Formula:
C22H32O3
Color and Shape:
White Powder
Molecular weight:
344.23514

Ref: 45-1378023

Estimated delivery in United States, on Thursday 9 May 2024
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17alpha-Dihydroequilin (Estra-1,3,5(10),7-tetraene-3,17alpha-diol)

CAS:651-55-8
Estrogens and progestins
Formula:
C18H22O2
Color and Shape:
White Powder
Molecular weight:
270.16198

Ref: 45-1201002

Estimated delivery in United States, on Thursday 9 May 2024
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Artemether Related Compound B ((3R,5aS,6R,8aS,9R,10R,12R,12aR)-Decahydro-10-methoxy-3,6,9-trimethyl-3,12-epoxy-12H-pyrano[4,3-j]-1,2-benzodioxepin)

CAS:71939-51-0
Heterocyclic compounds with oxygen hetero-atom(s) only
Formula:
C16H26O5
Color and Shape:
White Solid Powder
Molecular weight:
298.17802

Ref: 45-1042805

Estimated delivery in United States, on Thursday 9 May 2024
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Fosinopril Related Compound A ((4S)-4-cyclohexyl-[(4-phenylbutyl)phosphinyl]acetyl-L-proline)

CAS:95399-71-6
Cardiovascular drugs, not elsewhere specified or includ
Formula:
C23H34NO5P
Color and Shape:
Powder
Molecular weight:
435.21746

Ref: 45-1283415

Estimated delivery in United States, on Thursday 9 May 2024
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Zolpidem Related Compound A (N,N-Dimethyl-2-[7-methyl-2-p-tolylimidazo[1,2-a]pyridin-3-yl]acetamide)

CAS:1346600-85-8
Drugs with nitrogen hetero-atom(s) only, aromatic or modified aromatic, nesoi
Formula:
C19H21N3O
Color and Shape:
Off-White Powder
Molecular weight:
307.16846

Ref: 45-1724918

Estimated delivery in United States, on Thursday 9 May 2024
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Pyrazinamide Related Compound B (Pyrazinecarbonitrile)

CAS:19847-12-2
Aromatic or modified aromatic heterocyclic compounds withnitrogen hetero-atom(s) only nesoi
Formula:
C5H3N3
Color and Shape:
White Powder
Molecular weight:
105.0327

Ref: 45-1585028

Estimated delivery in United States, on Thursday 9 May 2024
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Pyridostigmine Related Compound A (Pyridin-3-yl dimethylcarbamate)

CAS:51581-32-9
Compounds containing an unfused pyridine ring in the structure, nesoi
Formula:
C8H10N2O2
Color and Shape:
Colorless Yellow Liquid
Molecular weight:
166.07423

Ref: 45-1586020

Estimated delivery in United States, on Thursday 9 May 2024
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Tiotropium Related Compound H ((2RS,3aSR,5RS,6RS,6aRS)-6-Hydroxy-4,4-dimethylhexahydro-2H-2,5-methanofuro[3,2-b]pyrrol-4-ium bromide)

Heterocyclic compounds with nitrogen hetero-atom(s) only, excluding aromatic or modified aromatic
Formula:
C9H16BrNO2
Color and Shape:
White Powder
Molecular weight:
249.03644

Ref: 45-1667632

Estimated delivery in United States, on Thursday 9 May 2024
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Azelastine Related Compound F (4-[4-(4-Chlorobenzyl)-1-oxophthalazin-2(1H)-yl]-1-methylazepane 1-oxide)

CAS:640279-88-5
Heterocyclic compounds with nitrogen hetero-atom(s) only, aromatic or modified aromatic, nesoi
Formula:
C22H24ClN3O2
Color and Shape:
White Solid
Molecular weight:
397.1557

Ref: 45-1046213

Estimated delivery in United States, on Thursday 9 May 2024
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Sulindac Related Compound C ((Z)-2-{5-fluoro-2-methyl-1-[4-(methylthio)benzylidene]-1H-inden-3-yl}acetic acid)

CAS:49627-27-2
Other aromatic organo-sulfur compounds (excluding pesticides)
Formula:
C20H17FO2S
Color and Shape:
Yellow Powder
Molecular weight:
340.09333

Ref: 45-1642031

Estimated delivery in United States, on Thursday 9 May 2024
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Zileuton Related Compound A (N-(1-Benzo[b]thien-2-ylethyl) urea)

CAS:171370-49-3
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi
Formula:
C11H12N2OS
Color and Shape:
White Powder
Molecular weight:
220.06703

Ref: 45-1724667

Estimated delivery in United States, on Thursday 9 May 2024
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Isomalathion (Diethyl 2-{[methoxy(methylthio)phosphoryl]thio}succinate)

CAS:3344-12-5
Organo-sulfur compounds, nesoi
Formula:
C10H19O6PS2
Color and Shape:
Colorless Clear Liquid
Molecular weight:
330.03607

Ref: 45-1349604

Estimated delivery in United States, on Thursday 9 May 2024
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Mirtazapine Related Compound C (2-Methyl-3,4,10,14b-tetrahydrobenzo[c]pyrazino[1,2-a]pyrido[3,2-f]azepin-1(2H)-one)
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Mirtazapine Related Compound C (2-Methyl-3,4,10,14b-tetrahydrobenzo[c]pyrazino[1,2-a]pyrido[3,2-f]azepin-1(2H)-one)

CAS:191546-96-0
Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, …
Formula:
C17H17N3O
Color and Shape:
White Off-White Crystalline Powder
Molecular weight:
279.13716

Ref: 45-1444241

Estimated delivery in United States, on Thursday 9 May 2024
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Phenylephrine Related Compound E (2-[Benzyl(methyl)amino]-1-(3-hydroxyphenyl)ethan-1-one hydrochloride)

CAS:71786-67-9
Aromatic amino-alcohol-phenols, aromatic amino-acid-phenols and other aromatic amino compounds with oxygen function
Formula:
C16H17NO2·HCl
Color and Shape:
Grey To White Powder
Molecular weight:
291.10261

Ref: 45-1533046

Estimated delivery in United States, on Thursday 9 May 2024
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