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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

Bilastine Impurity 8

Bilastine Impurity 8

CAS: 2245209-59-8
Formula: C₁₃H₁₅ClO₃
MW: 254.71 g/mol

VQ-035976

Reference Standard

Bilastine Impurity 9 chemical structure

Bilastine Impurity 9

CAS: 361382-25-4
Formula: C₁₄H₂₀BrNO₂
MW: 314.22 g/mol

VQ-047590

Reference Standard

Bilastine Impurity C chemical structure

Bilastine Impurity C

CAS: 2761921-47-3
Formula: C₃₂H₄₆N₄O₃
MW: 534.7 g/mol

VQ-021835

Reference Standard

Bilastine Oxo impurity chemical structure

Bilastine Oxo impurity

CAS: 1638785-22-4
Formula: C₂₈H₃₅N₃O₄
MW: 477.6 g/mol

VQ-024592

Reference Standard

Bilastine Related Compound C chemical structure

Bilastine Related Compound C

CAS: 2767509-00-0
Formula: C₃₂H₄₆N₄O₃
MW: 534.7 g/mol

VQ-024586

Reference Standard

Bimatoprost 13,14-Epoxide

Bimatoprost 13,14-Epoxide

CAS: 2920059-82-9
Formula: C₂₅H₃₇NO₅
MW: 431.56 g/mol

VQ-035979

Reference Standard

Bimatoprost Acid chemical structure

Bimatoprost Acid

CAS: 38344-08-0
Formula: C₂₃H₃₂O₅
MW: 388.5 g/mol

VQ-020967

Reference Standard

Bimatoprost Acid Isopropyl Ester chemical structure

Bimatoprost Acid Isopropyl Ester

CAS: 130209-76-6
Formula: C₂₆H₃₈O₅
MW: 430.6 g/mol

VQ-022934

Reference Standard

Bimatoprost Acid Methyl Ester chemical structure

Bimatoprost Acid Methyl Ester

CAS: 38315-47-8
Formula: C₂₄H₃₄O₅
MW: 402.5 g/mol

VQ-020968

Reference Standard

Bimatoprost Amide Impurity

Bimatoprost Amide Impurity

CAS: 2111907-13-0
Formula: C₂₅H₃₇NO₄
MW: 415.57 g/mol

In stock

Reference Standard

Bimatoprost Epimer Impurity methyl este chemical structure

Bimatoprost Epimer Impurity methyl este

CAS: 122675-28-9
Formula: C₂₄H₃₄O₅
MW: 402.5 g/mol

VQ-020969

Reference Standard

Binimetinib Amide Impurity chemical structure

Binimetinib Amide Impurity

CAS: 1604812-70-5
Formula: C₂₁H₂₃BrF₂N₄O₃
MW: 497.3 g/mol

In stock

Reference Standard

Binimetinib Des Bromo Acid Impurity chemical structure

Binimetinib Des Bromo Acid Impurity

CAS: 2649854-87-3
Formula: C₁₅H₁₁F₂N₃O₂
MW: 303.26 g/mol

VQ-024596

Reference Standard

Binimetinib Des Bromo Vinyloxy Impurity

Binimetinib Des Bromo Vinyloxy Impurity

CAS: 2649854-88-4
Formula: C₁₉H₁₈F₂N₄O₃
MW: 388.37 g/mol

VQ-024597

Reference Standard

Binimetinib Des Ethanediol Impurity

Binimetinib Des Ethanediol Impurity

Formula: C₁₅H₁₁BrF₂N₄O
MW: 381.17 g/mol

In stock

Reference Standard

Binimetinib ethyl ester impurity chemical structure

Binimetinib ethyl ester impurity

CAS: 2509103-99-3
Formula: C₁₇H₁₄BrF₂N₃O₂
MW: 410.2 g/mol

VQ-024598

Reference Standard

Binimetinib Hydroxy Ester Impurity

Binimetinib Hydroxy Ester Impurity

Formula: C₁₇H₁₄BrF₂N₃O₃
MW: 426.21 g/mol

In stock

Reference Standard

Binimetinib Impurity 21

Binimetinib Impurity 21

CAS: 2851526-49-1
Formula: C₁₇H₁₄BrF₂N₃O₃
MW: 426.21 g/mol

VQ-047592

Reference Standard

Biotin Sulfone chemical structure

CAS: 40720-05-6
Formula: C₁₀H₁₆N₂O₅S
MW: 276.31 g/mol

VQ-021838

Reference Standard

Biotinyl-GHK tripeptide chemical structure

Biotinyl-GHK tripeptide

CAS: 299157-54-3
Formula: C₂₄H₃₈N₈O₆S
MW: 566.7 g/mol

VQ-032761

Reference Standard

Biperiden Ketone Impurity chemical structure

Biperiden Ketone Impurity

CAS: 2832847-11-5
Formula: C₁₅H₂₃NO
MW: 233.35 g/mol

VQ-045292

Reference Standard

Bis (2,4-Difluorobenzyl) amine chemical structure

Bis (2,4-Difluorobenzyl) amine

CAS: 1284487-51-9
Formula: C₁₄H₁₁F₄N
MW: 269.24 g/mol

VQ-030259

Reference Standard

Bis Methylphenidate chemical structure

Bis Methylphenidate

CAS: 2125941-27-5
Formula: C₂₃H₂₇NO₄
MW: 381.5 g/mol

VQ-035469

Reference Standard

BIS THF HNS Derivative 2 chemical structure

BIS THF HNS Derivative 2

CAS: 799241-85-3
Formula: C₁₁H₁₃NO₇
MW: 271.22 g/mol

VQ-030067

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