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
17α-Dihydroequilin (Estra-1,3,5(10),7-tetraene-3,17α-diol) REF: 45-1201002CAS: 651-55-8	- - -	- - -	Discontinued product
Iscotrizinol Related Compound G (2-Ethylhexyl 4-{4-[(4-{[4-(tert-butylcarbamoyl)phenyl]amino}-6-[(4-{[(2-ethylhexyl)oxy]carbonyl}phenyl)amino]-1,3,5-triazin-2-yl)amino]benzamido}benzoate) (DISCONTINUED) REF: 45-1193425	- - -	- - -	Discontinued product
Zalcitabine Related Compound A (2',3'-Didehydro-2',3'-dideoxycytidine) (DISCONTINUED) REF: 45-1724317CAS: 7481-88-1	- - -	- - -	Discontinued product
Orlistat Related Compound D (N-formyl-L-leucine (3S,4R,6S)-3-hexyl-2-oxo-6-undecyltetrahydro-2H-pyran-4-yl ester) (DISCONTINUED) REF: 45-1478844CAS: 130793-27-0	- - -	- - -	Discontinued product
Ethylhexyl Triazone Related Compound B (4-[(4,6-Bis[(4-{[(2-ethylhexyl)oxy]carbonyl}phenyl)amino]-1,3,5-triazin-2-yl)amino]benzoic acid) (DISCONTINUED) REF: 45-1265559	- - -	- - -	Discontinued product
Probucol Related Compound C (4-[(3,5-di-tert-butyl-2-hydroxyphenylthio)isopropylidenethio]-2,6-di-tert-butylphenol) (DISCONTINUED) REF: 45-1563342CAS: 1391054-68-4	- - -	- - -	Discontinued product
Amantadine Related Compound B (N-(Adamantan-1-yl)acetamide) REF: 45-1018527CAS: 880-52-4	- - -	- - -	Discontinued product
Carglumic Acid Related Compound C REF: 45-1096542	- - -	- - -	Discontinued product
Probucol Related Compound B (4,4'-dithio-bis(2,6-di-tert-butylphenol)) (DISCONTINUED) REF: 45-1563331	- - -	- - -	Discontinued product
Alclometasone Dipropionate Related Compound A (11β,17,21-trihydroxy-16α-methylpregna-1,4-diene-3,20-dione 17,21-dipropionate) REF: 45-1012746	- - -	- - -	Discontinued product
Ticagrelor R,S-Cyclopropyl Isomer REF: 45-1666979	- - -	- - -	Discontinued product
Drometrizole Trisiloxane Related Compound A (2-(2H-Benzotriazol-2-yl)-6-(isobuten-1-yl)-p-cresol) (DISCONTINUED) REF: 45-1228029CAS: 2170-37-8	- - -	- - -	Discontinued product
Sulfamethazine Related Compound A (4-Amino-N-carbamimidoylbenzenesulfonamide-, monohydrate) (DISCONTINUED) REF: 45-1629019CAS: 6190-55-2	- - -	- - -	Discontinued product
Iscotrizinol Related Compound D (2-Ethylhexyl 4-[(4,6-bis{[4-(tert-butylcarbamoyl)phenyl]amino}-1,3,5-triazin-2-yl)amino]benzoate) (DISCONTINUED) REF: 45-1193390	- - -	- - -	Discontinued product
Iscotrizinol Related Compound F (Bis(2-ethylhexyl) 4,4'-({6-[(4-carbamoylphenyl)amino]-1,3,5-triazine-2,4-diyl}bis(azanediyl))dibenzoate) (DISCONTINUED) REF: 45-1193414	- - -	- - -	Discontinued product
Nisoldipine Related Compound D (3-Isobutyl 5-methyl 2,6-dimethyl-4-(2-nitrophenyl)pyridine-3,5-dicarboxylate) (DISCONTINUED) REF: 45-1464158CAS: 103026-83-1	- - -	- - -	Discontinued product
2-Ethylhexan-1-ol (DISCONTINUED) REF: 45-1265526CAS: 104-76-7	- - -	- - -	Discontinued product
Nefazodone Related Compound A (1-(3-chlorophenyl)-4-(3-chloropropyl)-piperazine hydrochloride) REF: 45-1457913CAS: 57059-62-8	- - -	- - -	Discontinued product
Iscotrizinol Related Compound I (Bis(2-ethylhexyl) 4,4'-{[6-({4-[(4-{[(2-ethylhexyl)oxy]carbonyl}phenyl)carbamoyl]phenyl}amino)-1,3,5-triazine-2,4-diyl]bis(azanediyl)}dibenzoate) (DISCONTINUED) REF: 45-1193447	- - -	- - -	Discontinued product
Amiodarone Related Compound G REF: 45-1027379CAS: 1087223-70-8	- - -	- - -	Discontinued product

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17α-Dihydroequilin (Estra-1,3,5(10),7-tetraene-3,17α-diol)

CAS:651-55-8

Estrogens and progestins

Formula:

C₁₈H₂₂O₂

Color and Shape:

White Powder

Molecular weight:

270.16198

Ref: 45-1201002

25mg		Discontinued	Request information
50mg		Discontinued	Request information

Discontinued product

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Iscotrizinol Related Compound G (2-Ethylhexyl 4-{4-[(4-{[4-(tert-butylcarbamoyl)phenyl]amino}-6-[(4-{[(2-ethylhexyl)oxy]carbonyl}phenyl)amino]-1,3,5-triazin-2-yl)amino]benzamido}benzoate) (DISCONTINUED)

Compounds (excluding melamine) containing an unfused triazine ring (whether or not hydrogenated) in the structure

Formula:

C₅₁H₆₄N₈O₆

Color and Shape:

Powder

Molecular weight:

884.49488

Ref: 45-1193425

25mg Discontinued Request information

Discontinued product

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Zalcitabine Related Compound A (2',3'-Didehydro-2',3'-dideoxycytidine) (DISCONTINUED)

CAS:7481-88-1

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

Formula:

C₉H₁₁N₃O₃

Color and Shape:

Powder

Molecular weight:

209.08004

Ref: 45-1724317

50mg Discontinued Request information

Discontinued product

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Orlistat Related Compound D (N-formyl-L-leucine (3S,4R,6S)-3-hexyl-2-oxo-6-undecyltetrahydro-2H-pyran-4-yl ester) (DISCONTINUED)

CAS:130793-27-0

Lactones, nesoi

Formula:

C₂₉H₅₃NO₅

Color and Shape:

Liquid

Molecular weight:

495.39237

Ref: 45-1478844

10mg Discontinued Request information

Discontinued product

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Ethylhexyl Triazone Related Compound B (4-[(4,6-Bis[(4-{[(2-ethylhexyl)oxy]carbonyl}phenyl)amino]-1,3,5-triazin-2-yl)amino]benzoic acid) (DISCONTINUED)

Compounds (excluding melamine) containing an unfused triazine ring (whether or not hydrogenated) in the structure

Formula:

C₄₀H₅₀N₆O₆

Color and Shape:

Powder

Molecular weight:

710.86

Ref: 45-1265559

20mg Discontinued Request information

Discontinued product

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Probucol Related Compound C (4-[(3,5-di-tert-butyl-2-hydroxyphenylthio)isopropylidenethio]-2,6-di-tert-butylphenol) (DISCONTINUED)

CAS:1391054-68-4

Other aromatic organo-sulfur compounds (excluding pesti

Formula:

C₃₁H₄₈O₂S₂

Color and Shape:

Powder

Molecular weight:

516.86

Ref: 45-1563342

25mg Discontinued Request information

Discontinued product

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Amantadine Related Compound B (N-(Adamantan-1-yl)acetamide)

CAS:880-52-4

Cyclic amides and their derivatives, nesoi

Formula:

C₁₂H₁₉NO

Color and Shape:

White Powder

Molecular weight:

193.14666

Ref: 45-1018527

25mg Discontinued Request information

Discontinued product

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Carglumic Acid Related Compound C

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

Formula:

C₁₁H₁₇N₃O₈

Color and Shape:

Off-White Powder

Molecular weight:

319.10156

Ref: 45-1096542

Undefined size Discontinued Request information

Discontinued product

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Probucol Related Compound B (4,4'-dithio-bis(2,6-di-tert-butylphenol)) (DISCONTINUED)

Other aromatic organo-sulfur compounds (excluding pesti

Formula:

C₂₈H₄₂O₂S₂

Color and Shape:

Pale Yellow Crystalline Solid

Molecular weight:

474.77

Ref: 45-1563331

25mg Discontinued Request information

Discontinued product

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Alclometasone Dipropionate Related Compound A (11β,17,21-trihydroxy-16α-methylpregna-1,4-diene-3,20-dione 17,21-dipropionate)

Adrenal cortical hormones and their derivatives nesoi

Formula:

C₂₈H₃₈O₇

Color and Shape:

Powder

Molecular weight:

486.6

Ref: 45-1012746

20mg Discontinued Request information

Discontinued product

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Ticagrelor R,S-Cyclopropyl Isomer

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

Formula:

C₂₃H₂₈F₂N₆O₄S

Molecular weight:

522.18608

Ref: 45-1666979

Undefined size Discontinued Request information

Discontinued product

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Drometrizole Trisiloxane Related Compound A (2-(2H-Benzotriazol-2-yl)-6-(isobuten-1-yl)-p-cresol) (DISCONTINUED)

CAS:2170-37-8

Aromatic or modified aromatic drugs with nitrogen heter

Formula:

C₁₇H₁₇N₃O

Color and Shape:

Yellow Powder

Molecular weight:

279.13716

Ref: 45-1228029

25mg Discontinued Request information

Discontinued product

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Sulfamethazine Related Compound A (4-Amino-N-carbamimidoylbenzenesulfonamide-, monohydrate) (DISCONTINUED)

CAS:6190-55-2

Sulfonamides, nesoi

Formula:

C₇H₁₀N₄O₂S·H₂O

Color and Shape:

White Powder

Molecular weight:

232.06301

Ref: 45-1629019

100mg Discontinued Request information

Discontinued product

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Iscotrizinol Related Compound D (2-Ethylhexyl 4-[(4,6-bis{[4-(tert-butylcarbamoyl)phenyl]amino}-1,3,5-triazin-2-yl)amino]benzoate) (DISCONTINUED)

Compounds (excluding melamine) containing an unfused triazine ring (whether or not hydrogenated) in the structure

Formula:

C₄₀H₅₂N₈O₄

Color and Shape:

White Powder

Molecular weight:

708.41115

Ref: 45-1193390

25mg Discontinued Request information

Discontinued product

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Iscotrizinol Related Compound F (Bis(2-ethylhexyl) 4,4'-({6-[(4-carbamoylphenyl)amino]-1,3,5-triazine-2,4-diyl}bis(azanediyl))dibenzoate) (DISCONTINUED)

Compounds (excluding melamine) containing an unfused triazine ring (whether or not hydrogenated) in the structure

Formula:

C₄₀H₅₁N₇O₅

Color and Shape:

White Off-White Powder

Molecular weight:

709.39517

Ref: 45-1193414

25mg Discontinued Request information

Discontinued product

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Nisoldipine Related Compound D (3-Isobutyl 5-methyl 2,6-dimethyl-4-(2-nitrophenyl)pyridine-3,5-dicarboxylate) (DISCONTINUED)

CAS:103026-83-1

Compounds containing an unfused pyridine ring in the structure, nesoi

Formula:

C₂₀H₂₂N₂O₆

Color and Shape:

Pale Yellow Solid

Molecular weight:

386.14779

Ref: 45-1464158

30mg Discontinued Request information

Discontinued product

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2-Ethylhexan-1-ol (DISCONTINUED)

CAS:104-76-7

2-ethylhexan-1-ol (octyl alcohol)

Formula:

C₈H₁₈O

Color and Shape:

Liquid

Molecular weight:

130.22 g/mol

Ref: 45-1265526

1.5ml Discontinued Request information

Discontinued product

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Nefazodone Related Compound A (1-(3-chlorophenyl)-4-(3-chloropropyl)-piperazine hydrochloride)

CAS:57059-62-8

Compounds containing a pyrimidine ring (whether or not

Formula:

C₁₃H₁₈Cl₂N₂·HCl

Color and Shape:

White Powder

Molecular weight:

272.0847

Ref: 45-1457913

25mg Discontinued Request information

Discontinued product

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Iscotrizinol Related Compound I (Bis(2-ethylhexyl) 4,4'-{[6-({4-[(4-{[(2-ethylhexyl)oxy]carbonyl}phenyl)carbamoyl]phenyl}amino)-1,3,5-triazine-2,4-diyl]bis(azanediyl)}dibenzoate) (DISCONTINUED)

Compounds (excluding melamine) containing an unfused triazine ring (whether or not hydrogenated) in the structure

Formula:

C₅₅H₇₁N₇O₇

Color and Shape:

White Powder

Molecular weight:

941.5415

Ref: 45-1193447

25mg Discontinued Request information

Discontinued product

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Amiodarone Related Compound G

CAS:1087223-70-8

Aromatic heterocyclic compounds with oxygen hetero-atom(s) only, nesoi

Formula:

C₂₆H₃₁I₂NO₄

Molecular weight:

675.03425

Ref: 45-1027379

Undefined size Discontinued Request information

Discontinued product

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