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
Tioconazole Related Compound B (1-[2,4-Dichloro-β-[(2,5-dichloro-3-thenyl)oxy]phenethyl]imidazole hydrochloride) REF: 45-1667461	- - -	1,357.00 €	Tue 15 Oct 24
Estradiol Related Compound C (1,3,5(10)-estratrien-3,17β-diol-6-one) REF: 45-1250041CAS: 571-92-6	- - -	1,477.00 €	Tue 15 Oct 24
Acetaminophen Related Compound D (N-phenylacetamide) REF: 45-1003042CAS: 103-84-4	- - -	1,371.00 €	Tue 15 Oct 24
Voriconazole Related Compound C (1-(2,4-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone) REF: 45-1718039	- - -	1,371.00 €	Tue 15 Oct 24
Allopurinol Related Compound B (5-(formylamino)-1H-pyrazole-4-carboxamide) REF: 45-1013013CAS: 22407-20-1	- - -	1,371.00 €	Tue 15 Oct 24
Urea Related Compound A (Dicarbonimidic diamide) REF: 45-1706712CAS: 108-19-0	- - -	1,308.00 €	Tue 15 Oct 24
Potassium Ferrocyanide REF: 45-1548269CAS: 14459-95-1	- - -	736.00 €	Tue 15 Oct 24
Dacarbazine Related Compound A (5-aminoimidazole-4-carboxamide hydrochloride) REF: 45-1162320CAS: 72-40-2	- - -	1,371.00 €	Tue 15 Oct 24
Ranitidine Related Compound B (N,N'-bis[2-[[[5-[(dimethylamino)methyl]-2-furanyl]methyl]thio]ethyl]-2-nitro-1,1-ethenediamine) REF: 45-1598609CAS: 72126-78-4	- - -	1,371.00 €	Tue 15 Oct 24
Acyclovir Related Compound F (N-[9-[(2-Hydroxyethoxy)methyl]-6-oxo-6,9-dihydro-1H-purin-2-yl]acetamide) REF: 45-1012054CAS: 110104-37-5	- - -	1,292.00 €	Tue 15 Oct 24
Acitretin Related Compound A ((2Z,4E,6E,8E)-9-(4-Methoxy-2,3,6-trimethylphenyl)-3,7-dimethylnona-2,4,6,8-tetraenoic acid) REF: 45-1011018CAS: 69427-46-9	- - -	1,390.00 €	Tue 15 Oct 24
Ketorolac Related Compound C (5-benzoyl-2,3-dihydro-1H-pyrrolizin-1-one) REF: 45-1356337CAS: 113502-52-6	- - -	1,477.00 €	Tue 15 Oct 24
Metoprolol Dimer (1,3-Bis[4-(2-methoxyethyl)phenoxy]propan-2-ol) REF: 45-1441286CAS: 230975-30-1	- - -	1,472.00 €	Tue 15 Oct 24
Dermatan Sulfate REF: 45-1171455CAS: 54328-33-5	- - -	1,583.00 €	Tue 15 Oct 24
Uracil REF: 45-1705753CAS: 66-22-8	- - -	444.00 €	Tue 15 Oct 24
Diethyltoluamide Related Compound A (N,N-Diethyl-4-toluamide) REF: 45-1197018CAS: 2728-05-4	- - -	1,552.00 €	Tue 15 Oct 24
Potassium Ferricyanide REF: 45-1548258CAS: 13746-66-2	- - -	597.00 €	Tue 15 Oct 24
Nepafenac Related Compound A (2-{2-Amino-3-[hydroxy(phenyl)methyl]phenyl}acetamide) REF: 45-1460328CAS: 1246956-18-2	- - -	1,292.00 €	Tue 15 Oct 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 €	Tue 15 Oct 24
Calcipotriene Related Compound C ((5E,7E,22E,24S)-24-Cyclopropyl-9,10-secochola-5,7,10(19),22-tetraene-1α,3β,24-triol) REF: 45-1086152CAS: 113082-99-8	- - -	3,219.00 €	Tue 15 Oct 24

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Tioconazole Related Compound B (1-[2,4-Dichloro-β-[(2,5-dichloro-3-thenyl)oxy]phenethyl]imidazole hydrochloride)

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

Formula:

C₁₆H₁₄Cl₄N₂OS·HCl

Color and Shape:

Powder

Molecular weight:

421.95809

Ref: 45-1667461

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Estradiol Related Compound C (1,3,5(10)-estratrien-3,17β-diol-6-one)

CAS:571-92-6

Estrogens and progestins

Formula:

C₁₈H₂₂O₃

Color and Shape:

White Yellow Crystalline Powder

Molecular weight:

286.15689

Ref: 45-1250041

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Acetaminophen Related Compound D (N-phenylacetamide)

CAS:103-84-4

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

Formula:

C₈H₉NO

Color and Shape:

White Off-White Powder

Molecular weight:

135.06841

Ref: 45-1003042

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Voriconazole Related Compound C (1-(2,4-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone)

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

Formula:

C₁₀H₇F₂N₃O

Color and Shape:

Pale Yellow Solid

Molecular weight:

223.05572

Ref: 45-1718039

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Allopurinol Related Compound B (5-(formylamino)-1H-pyrazole-4-carboxamide)

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Allopurinol Related Compound B (5-(formylamino)-1H-pyrazole-4-carboxamide)

CAS:22407-20-1

Compounds containing an unfused pyrazole ring, whether or not hydrogenated, in the structure, nesoi

Formula:

C₅H₆N₄O₂

Color and Shape:

White Powder

Molecular weight:

154.04908

Ref: 45-1013013

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Urea Related Compound A (Dicarbonimidic diamide)

CAS:108-19-0

Acyclic amides (including acyclic carbamates) and their derivatives and salts thereof, nesoi

Formula:

C₂H₅N₃O₂

Color and Shape:

White Powder

Molecular weight:

103.03818

Ref: 45-1706712

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Potassium Ferrocyanide

CAS:14459-95-1

Complex cyanides

Formula:

K₄Fe(CN)₆·3H₂O

Color and Shape:

Yellow Crystals

Molecular weight:

421.8399

Ref: 45-1548269

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Dacarbazine Related Compound A (5-aminoimidazole-4-carboxamide hydrochloride)

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Dacarbazine Related Compound A (5-aminoimidazole-4-carboxamide hydrochloride)

CAS:72-40-2

Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure nesoi

Formula:

C₄H₆N₄O·HCl

Color and Shape:

White Off-White Powder

Molecular weight:

126.05416

Ref: 45-1162320

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Ranitidine Related Compound B (N,N'-bis[2-[[[5-[(dimethylamino)methyl]-2-furanyl]methyl]thio]ethyl]-2-nitro-1,1-ethenediamine)

CAS:72126-78-4

Compounds containing an unfused furan ring (whether or

Formula:

C₂₂H₃₅N₅O₄S₂

Color and Shape:

Solid

Molecular weight:

497.21305

Ref: 45-1598609

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Acyclovir Related Compound F (N-[9-[(2-Hydroxyethoxy)methyl]-6-oxo-6,9-dihydro-1H-purin-2-yl]acetamide)

CAS:110104-37-5

Compounds containing a pyrimidine ring, whether or not hydrogenated, or piperazine ring in the structure, …

Formula:

C₁₀H₁₃N₅O₄

Color and Shape:

White Yellow Crystalline Powder

Molecular weight:

267.09675

Ref: 45-1012054

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Acitretin Related Compound A ((2Z,4E,6E,8E)-9-(4-Methoxy-2,3,6-trimethylphenyl)-3,7-dimethylnona-2,4,6,8-tetraenoic acid)

CAS:69427-46-9

Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides etc not elsewhere specified …

Formula:

C₂₁H₂₆O₃

Color and Shape:

Yellow Crystalline Powder

Molecular weight:

326.18819

Ref: 45-1011018

Estimated delivery in United States, on Tuesday 15 Oct 2024

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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

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Metoprolol Dimer (1,3-Bis[4-(2-methoxyethyl)phenoxy]propan-2-ol)

CAS:230975-30-1

Ether-alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives, nesoi

Formula:

C₂₁H₂₈O₅

Color and Shape:

Colorless Light Yellow Liquid

Molecular weight:

360.19367

Ref: 45-1441286

Estimated delivery in United States, on Tuesday 15 Oct 2024

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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

Estimated delivery in United States, on Tuesday 15 Oct 2024

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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

Estimated delivery in United States, on Tuesday 15 Oct 2024

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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

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Potassium Ferricyanide

CAS:13746-66-2

Complex cyanides

Formula:

K₃Fe(CN)₆

Molecular weight:

328.8445

Ref: 45-1548258

Estimated delivery in United States, on Tuesday 15 Oct 2024

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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

Estimated delivery in United States, on Tuesday 15 Oct 2024

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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

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Calcipotriene Related Compound C ((5E,7E,22E,24S)-24-Cyclopropyl-9,10-secochola-5,7,10(19),22-tetraene-1α,3β,24-triol)

CAS:113082-99-8

Other cyclanic, cyclenic or cycloterpenic alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives

Formula:

C₂₇H₄₀O₃

Color and Shape:

Powder

Molecular weight:

412.29775

Ref: 45-1086152

Estimated delivery in United States, on Tuesday 15 Oct 2024

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