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
Calcitonin Salmon Related Compound B (calcitonin salmon-glycine) (COLD SHIPMENT REQUIRED) (DISCONTINUED) REF: 45-1086221CAS: 115472-96-3	- - -	- - -	Discontinued product
Nisoldipine Related Compound G (Diisobutyl 2,6-dimethyl-4-(2-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate) (DISCONTINUED) REF: 45-1464183CAS: 2226462-71-9	- - -	- - -	Discontinued product
Ticagrelor R,R,S,R-Isomer REF: 45-1666980CAS: 2096989-55-6	- - -	- - -	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
Amiodarone Related Compound B REF: 45-1027324CAS: 83409-32-9	- - -	- - -	Discontinued product
Drometrizole Trisiloxane Related Compound D (2-(2H-Benzotriazol-2-yl)-6-isobutyl-p-cresol) (DISCONTINUED) REF: 45-1228053	- - -	- - -	Discontinued product
Sulfamethazine Related Compound B (Mixture containing about 49% of 4-Amino-2-chloro-N-(4,6-dimethylpyrimidin-2-yl)benzenesulfonamide and about 48% of 4-Amino-3-chloro-N-(4,6-dimethylpyrimidin-2-yl)benzenesulfonamide) (DISCONTINUED) REF: 45-1629021	- - -	- - -	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
Levalbuterol Related Compound B (α-[{(1,1-Dimethylethyl)amino}methyl]-4-hydroxy-3-methyl-benzenemethanol) (DISCONTINUED) REF: 45-1358809CAS: 18910-68-4	- - -	- - -	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
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
Probucol Related Compound B (4,4'-dithio-bis(2,6-di-tert-butylphenol)) (DISCONTINUED) REF: 45-1563331	- - -	- - -	Discontinued product
Selfotel REF: TM-T22654CAS: 110347-85-8	95%	- - -	Discontinued product
Artemether REF: TR-A777400CAS: 71963-77-4	- - -	- - -	Discontinued product
N-Nitrosodimethylamine-13C2D6 REF: TR-N525626	- - -	- - -	Discontinued product
3-Morpholino Sydnonimine Hydrochloride REF: TR-M725000CAS: 16142-27-1	- - -	- - -	Discontinued product
γ-Conjugated folic acid NHS ester REF: 3D-IC183333CAS: 153445-05-7	Min. 95%	- - -	Discontinued product
Acarbose Impurity E REF: 3D-FA175652CAS: 1220983-28-7	Min. 95%	- - -	Discontinued product
Isosorbide-13C6 5-Mononitrate, 90% REF: TR-I902102CAS: 1217604-00-6	90%	- - -	Discontinued product
Dihydro Artemisinin-d3 REF: TR-D448362CAS: 176774-98-4	- - -	- - -	Discontinued product

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Calcitonin Salmon Related Compound B (calcitonin salmon-glycine) (COLD SHIPMENT REQUIRED) (DISCONTINUED)

CAS:115472-96-3

Polypeptide, protein and glycoprotein hormones, their derivatives and structural analogues, nesoi

Formula:

C₁₄₇H₂₄₂N₄₄O₅₀S₂

Color and Shape:

Colorless Liquid

Molecular weight:

3487.71879

Ref: 45-1086221

0.34mg Discontinued Request information

Discontinued product

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Nisoldipine Related Compound G (Diisobutyl 2,6-dimethyl-4-(2-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate) (DISCONTINUED)

CAS:2226462-71-9

Compounds containing an unfused pyridine ring in the structure, nesoi

Formula:

C₂₃H₃₀N₂O₆

Color and Shape:

Yellow Powder

Molecular weight:

430.21039

Ref: 45-1464183

30mg Discontinued Request information

Discontinued product

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Ticagrelor R,R,S,R-Isomer

CAS:2096989-55-6

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

Formula:

C₂₃H₂₈F₂N₆O₄S

Molecular weight:

522.18608

Ref: 45-1666980

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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Amiodarone Related Compound B

CAS:83409-32-9

Polypeptide, protein and glycoprotein hormones, their derivatives and structural analogues, nesoi

Formula:

C₂₃H₂₅I₂NO₃

Molecular weight:

616.99239

Ref: 45-1027324

Undefined size Discontinued Request information

Discontinued product

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Drometrizole Trisiloxane Related Compound D (2-(2H-Benzotriazol-2-yl)-6-isobutyl-p-cresol) (DISCONTINUED)

Aromatic or modified aromatic drugs with nitrogen heter

Formula:

C₁₇H₁₉N₃O

Color and Shape:

Pale Yellow Powder

Molecular weight:

281.35

Ref: 45-1228053

25mg Discontinued Request information

Discontinued product

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Sulfamethazine Related Compound B (Mixture containing about 49% of 4-Amino-2-chloro-N-(4,6-dimethylpyrimidin-2-yl)benzenesulfonamide and about 48% of 4-Amino-3-chloro-N-(4,6-dimethylpyrimidin-2-yl)benzenesulfonamide) (DISCONTINUED)

Sulfonamides, nesoi

Color and Shape:

White Off-White Solid

Ref: 45-1629021

50mg 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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Levalbuterol Related Compound B (α-[{(1,1-Dimethylethyl)amino}methyl]-4-hydroxy-3-methyl-benzenemethanol) (DISCONTINUED)

CAS:18910-68-4

Aromatic amino-alcohol-phenols, aromatic amino-acid-phenols and other aromatic amino compounds with oxygen function

Formula:

C₁₃H₂₁N₀₂

Color and Shape:

White Powder

Molecular weight:

205.17047

Ref: 45-1358809

20mg 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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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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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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Selfotel

CAS:110347-85-8

Selfotel is a NMDA receptor antagonist.

Formula:

C₇H₁₄NO₅P

Purity:

95%

Color and Shape:

Solid

Molecular weight:

223.16

Ref: TM-T22654

1mg	Discontinued	Request information
2mg	Discontinued	Request information
5mg	Discontinued	Request information
10mg	Discontinued	Request information
25mg	Discontinued	Request information
50mg	Discontinued	Request information
100mg	Discontinued	Request information
200mg	Discontinued	Request information