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Impurities & Reference Standards

API Impurities

Source 1942 api impurities for research, QC and production, documented with COA and SDS.

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COA + SDSwith every lot

Reference Standard

N-Des Acryloyl Ibrutinib Impurity chemical structure

N-Des Acryloyl Ibrutinib Impurity

CAS: 1642571-07-0
Formula: C₂₂H₂₃ClN₆O
MW: 422.9 g/mol

VQ-037618

Reference Standard

N-Des acryloyl Sotorasib chemical structure

N-Des acryloyl Sotorasib

CAS: 2484718-65-0
Formula: C₂₇H₂₈F₂N₆O₂
MW: 506.5 g/mol

VQ-045339

Reference Standard

N-Des(1,1-dimethylethyl) N-Cyclohexyl Finasteride chemical structure

N-Des(1,1-dimethylethyl) N-Cyclohexyl Finasteride

CAS: 133216-45-2
Formula: C₂₅H₃₈N₂O₂
MW: 398.6 g/mol

VQ-030733

Reference Standard

N-Des(2-(2-ethoxy)phenoxy)ethyl)-N-(2-(2-ethoxy)phenoxy)acetyl) Tamsulosin chemical structure

N-Des(2-(2-ethoxy)phenoxy)ethyl)-N-(2-(2-ethoxy)phenoxy)acetyl) Tamsulosin

CAS: 133261-17-3
Formula: C₂₀H₂₆N₂O₆S
MW: 422.5 g/mol

VQ-042362

Reference Standard

N-Desbenzylbenidipine chemical structure

N-Desbenzylbenidipine

CAS: 758642-28-3
Formula: C₂₁H₂₅N₃O₆
MW: 415.4 g/mol

VQ-029385

Reference Standard

N-DesBoc Docetaxel chemical structure

N-DesBoc Docetaxel

CAS: 133524-69-3
Formula: C₃₈H₄₅NO₁₂
MW: 707.8 g/mol

VQ-036764

Reference Standard

N-Descyclopropanecarbaldehyde Olaparib chemical structure

N-Descyclopropanecarbaldehyde Olaparib

CAS: 763111-47-3
Formula: C₂₀H₁₉FN₄O₂
MW: 366.4 g/mol

In stock

Reference Standard

N-Desethyl Brinzolamide chemical structure

N-Desethyl Brinzolamide

CAS: 404034-55-5
Formula: C₁₀H₁₇N₃O₅S₃
MW: 355.5 g/mol

VQ-021885

Reference Standard

N-Despropylpropafenone chemical structure

N-Despropylpropafenone

CAS: 86383-21-3
Formula: C₁₈H₂₁NO₃
MW: 299.4 g/mol

VQ-027653

Reference Standard

N-Dimethyl Enzalutamide chemical structure

N-Dimethyl Enzalutamide

CAS: 1443331-78-9
Formula: C₂₂H₁₈F₄N₄O₂S
MW: 478.5 g/mol

VQ-030502

Reference Standard

N-Ethoxycarbonyl 7-ADCA chemical structure

N-Ethoxycarbonyl 7-ADCA

CAS: 72820-16-7
Formula: C₁₁H₁₄N₂O₅S
MW: 286.31 g/mol

VQ-021085

Reference Standard

N-Ethoxycarbonyl Ciprofloxacin chemical structure

N-Ethoxycarbonyl Ciprofloxacin

CAS: 93594-29-7
Formula: C₂₀H₂₂FN₃O₅
MW: 403.4 g/mol

VQ-024991

Reference Standard

N-Ethyl Azilsartan Medoxomil chemical structure

N-Ethyl Azilsartan Medoxomil

CAS: 1417576-01-2
Formula: C₃₂H₂₈N₄O₈
MW: 596.6 g/mol

VQ-021710

Reference Standard

N-Ethyl Esmolol chemical structure

N-Ethyl Esmolol

CAS: 2469273-97-8
Formula: C₁₅H₂₃NO₄
MW: 281.35 g/mol

VQ-025611

Reference Standard

N-Ethyl Lenacapavir

N-Ethyl Lenacapavir

CAS: 3025145-48-3
Formula: C₄₁H₃₆ClF₁₀N₇O₅S₂
MW: 996.3 g/mol

VQ-026393

Reference Standard

N-Ethyl Pioglitazone chemical structure

N-Ethyl Pioglitazone

CAS: 1333110-38-5
Formula: C₂₁H₂₄N₂O₃S
MW: 384.5 g/mol

VQ-033196

Reference Standard

N-Ethyl Topiramate

N-Ethyl Topiramate

CAS: 205248-77-7
Formula: C₁₄H₂₅NO₈S
MW: 367.42 g/mol

VQ-034360

Reference Standard

N-Ethyl-1-(2-(trifluoromethyl)phenyl)propan-2-amine chemical structure

N-Ethyl-1-(2-(trifluoromethyl)phenyl)propan-2-amine

CAS: 172953-70-7
Formula: C₁₂H₁₆F₃N
MW: 231.26 g/mol

VQ-043577

Reference Standard

N-Ethyl-4-Methoxyamphetamine hydrochloride chemical structure

N-Ethyl-4-Methoxyamphetamine hydrochloride

CAS: 93963-24-7
Formula: C₁₂H₂₀ClNO
MW: 229.74 g/mol

VQ-031747

Reference Standard

N-Ethyl-Adrenalone Hydrochloride chemical structure

N-Ethyl-Adrenalone Hydrochloride

CAS: 59643-82-2
Formula: C₁₁H₁₆ClNO₃
MW: 245.7 g/mol

VQ-028947

Reference Standard

N-Ethylmedetomidine chemical structure

N-Ethylmedetomidine

CAS: 2250243-24-2
Formula: C₁₅H₂₀N₂
MW: 228.33 g/mol

VQ-026580

Reference Standard

N-Formyl Amlodipine chemical structure

N-Formyl Amlodipine

CAS: 93848-81-8
Formula: C₂₁H₂₅ClN₂O₆
MW: 436.9 g/mol

VQ-021563

Reference Standard

N-Formyl Atomoxetine chemical structure

N-Formyl Atomoxetine

CAS: 2376668-89-0
Formula: C₁₈H₂₁NO₂
MW: 283.4 g/mol

VQ-024396

Reference Standard

N-Formyl Benzocaine chemical structure

N-Formyl Benzocaine

CAS: 5422-63-9
Formula: C₁₀H₁₁NO₃
MW: 193.2 g/mol

VQ-021776

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