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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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Reference Standard

Bexagliflozin Aglycone Bromo Ketone Impurity

Bexagliflozin Aglycone Bromo Ketone Impurity

CAS: 3056056-87-9
Formula: C₁₈H₁₆BrClO₃
MW: 395.7 g/mol

VQ-045472

Reference Standard

Bexagliflozin Alpha Isomer Impurity chemical structure

Bexagliflozin Alpha Isomer Impurity

CAS: 2023012-48-6
Formula: C₂₄H₂₉ClO₇
MW: 464.9 g/mol

VQ-029420

Reference Standard

Bexagliflozin Open Chain Impurity 2 chemical structure

Bexagliflozin Open Chain Impurity 2

CAS: 1459754-58-5
Formula: C₂₄H₃₁ClO₈
MW: 482.9 g/mol

VQ-045473

Reference Standard

Bexagliflozin Tetra Acetyl Impurity

Bexagliflozin Tetra Acetyl Impurity

CAS: 2251691-23-1
Formula: C₃₂H₃₇ClO₁₁
MW: 633.1 g/mol

VQ-045474

Reference Standard

Bexarotenate tetrahydronaphthalene impurity chemical structure

Bexarotenate tetrahydronaphthalene impurity

CAS: 6683-48-3
Formula: C₁₅H₂₂
MW: 202.33 g/mol

VQ-021817

Reference Standard

Bexarotene Epoxide Impurity chemical structure

Bexarotene Epoxide Impurity

CAS: 153559-61-6
Formula: C₂₄H₂₈O₃
MW: 364.5 g/mol

VQ-047576

Reference Standard

Bexarotene Impurity E

Bexarotene Impurity E

CAS: 1349659-57-9
Formula: C₄₀H₅₀
MW: 530.84 g/mol

VQ-044287

Reference Standard

Bexarotene Keto Ester Impurity chemical structure

Bexarotene Keto Ester Impurity

CAS: 153559-45-6
Formula: C₂₄H₂₈O₃
MW: 364.5 g/mol

VQ-021820

Reference Standard

Bicadiol

CAS: 946419-82-5
Formula: C₁₀H₁₃FO₄S
MW: 248.27 g/mol

VQ-029429

Reference Standard

Bicalutamide Impurity P chemical structure

Bicalutamide Impurity P

CAS: 937802-59-0
Formula: C₁₇H₁₄F₄N₂O₆S
MW: 450.4 g/mol

VQ-045398

Reference Standard

Bicalutamide JP Related substance O chemical structure

Bicalutamide JP Related substance O

CAS: 339530-91-5
Formula: C₁₀H₁₁FO₃S
MW: 230.26 g/mol

VQ-045399

Reference Standard

Bictegravir Impurity 34

Bictegravir Impurity 34

CAS: 2411332-67-5
Formula: C₁₄H₁₁F₅N₂
MW: 302.25 g/mol

VQ-047579

Reference Standard

Bicyclo Risperidone chemical structure

Bicyclo Risperidone

CAS: 2231638-02-9
Formula: C₂₃H₂₈FIN₄O₂
MW: 538.4 g/mol

VQ-023647

Reference Standard

Bicyclo[2.2.1]heptane-2,3-dicarboxylic Acid chemical structure

Bicyclo[2.2.1]heptane-2,3-dicarboxylic Acid

CAS: 27862-85-7
Formula: C₉H₁₂O₄
MW: 184.19 g/mol

VQ-031698

Reference Standard

Bicyclol Impurity A chemical structure

Bicyclol Impurity A

CAS: 118159-47-0
Formula: C₁₈H₁₄O₈
MW: 358.3 g/mol

VQ-035964

Reference Standard

Bilastine Boc Impurity chemical structure

Bilastine Boc Impurity

CAS: 1181267-36-6
Formula: C₂₁H₃₁N₃O₃
MW: 373.5 g/mol

VQ-024583

Reference Standard

Bilastine Butyl Ester Impurity

Bilastine Butyl Ester Impurity

CAS: 2699147-42-5
Formula: C₃₂H₄₅N₃O₃
MW: 519.73 g/mol

VQ-035971

Reference Standard

Bilastine Chloro Impurity chemical structure

Bilastine Chloro Impurity

CAS: 1638785-17-7
Formula: C₁₄H₂₀ClNO₂
MW: 269.77 g/mol

VQ-029438

Reference Standard

Bilastine Des ethyl benzene impurity

Bilastine Des ethyl benzene impurity

CAS: 2767509-05-5
Formula: C₁₈H₂₈ClN₃O₂
MW: 353.89 g/mol

VQ-035975

Reference Standard

Bilastine Hydroxy Impurity chemical structure

Bilastine Hydroxy Impurity

CAS: 202189-83-1
Formula: C₂₆H₃₃N₃O₃
MW: 435.6 g/mol

VQ-020961

Reference Standard

Bilastine Impurity 1 chemical structure

Bilastine Impurity 1

CAS: 953071-73-3
Formula: C₁₇H₂₃N₃O₂
MW: 301.4 g/mol

VQ-029435

Reference Standard

Bilastine Impurity 18

Bilastine Impurity 18

CAS: 317595-60-1
Formula: C₁₅H₁₉N₃O₂
MW: 273.33 g/mol

VQ-035967

Reference Standard

Bilastine Impurity 21 chemical structure

Bilastine Impurity 21

CAS: 2199440-17-8
Formula: C₁₉H₂₇N₃O₃
MW: 345.4 g/mol

VQ-047583

Reference Standard

Bilastine Impurity 6 Hydrochloride chemical structure

Bilastine Impurity 6 Hydrochloride

CAS: 1567835-77-1
Formula: C₂₉H₄₀ClN₃O₃
MW: 514.1 g/mol

VQ-047586

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