Catalog division

Impurity Reference Standards

Pharmacopoeial impurities, nitrosamines, metabolites, labelled internal standards and API working standards, each backed by analytical data for method development and QC.

20,060 products6 categories2,050 in stockCOA + SDS with every lot

20,060 products · page 284 of 836

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Benzyldimethyltetradecylammonium Chloride Dihydrate

CAS: 147228-81-7
Formula: C₂₃H₄₆ClNO₂
MW: 404.1 g/mol

ZX-036416

Benzylidene Camphor Sulfonic Acid

CAS: 56039-58-8
Formula: C₁₇H₂₀O₄S
MW: 320.4 g/mol

ZX-047834

Benzylmethyl-d3-amine hydrochloride

CAS: 122025-10-9
Formula: C₈H₁₂ClN
MW: 160.66 g/mol

ZX-046725

Benzylpenicillin

CAS: 61-33-6
Formula: C₁₆H₁₈N₂O₄S
MW: 334.4 g/mol

ZX-023646

Benzylpenicillin Clemizole

CAS: 6011-39-8
Formula: C₃₅H₃₈ClN₅O₄S
MW: 660.2 g/mol

ZX-031771

Benzylpenicillin EP Impurity C Sodium Salt

CAS: 5985-13-7
Formula: C₁₆H₁₇N₂NaO₅S
MW: 372.4 g/mol

ZX-026339

Benzylpenicillin EP Impurity D

CAS: 13093-87-3
Formula: C₁₆H₁₈N₂O₄S
MW: 334.4 g/mol

ZX-035950

Benzylpenicillin Potassium EP Impurity C

CAS: 525-91-7
Formula: C₁₆H₁₈N₂O₅S
MW: 350.4 g/mol

ZX-022494

Bepotastine

CAS: 125602-71-3
Formula: C₂₁H₂₅ClN₂O₃
MW: 388.9 g/mol

ZX-020828

Bepotastine Besilate

CAS: 190786-44-8
Formula: C₂₇H₃₁ClN₂O₆S
MW: 547.1 g/mol

ZX-020827

Bepotastine Ethyl ester

CAS: 190730-39-3
Formula: C₂₃H₂₉ClN₂O₃
MW: 416.9 g/mol

ZX-019980

Bepotastine Isopropyl ester

CAS: 1807607-93-7
Formula: C₂₄H₃₁ClN₂O₃
MW: 431 g/mol

ZX-019981

Bepotastine N-Butyl Ester

CAS: 1807606-59-2
Formula: C₂₅H₃₃ClN₂O₃
MW: 445 g/mol

ZX-019982

Beraprost Sodium

CAS: 88475-69-8
Formula: C₂₄H₂₉NaO₅
MW: 420.5 g/mol

ZX-042761

Berberine Sulfate

CAS: 316-41-6
Formula: C₂₀H₁₈NO₈S-
MW: 432.4 g/mol

ZX-033094

Berberubine chloride form

CAS: 15401-69-1
Formula: C₁₉H₁₆ClNO₄
MW: 357.8 g/mol

ZX-047961

Bergamottin

CAS: 7380-40-7
Formula: C₂₁H₂₂O₄
MW: 338.4 g/mol

ZX-042762

Bergapten

CAS: 484-20-8
Formula: C₁₂H₈O₄
MW: 216.19 g/mol

ZX-028243

Bergaptol

CAS: 486-60-2
Formula: C₁₁H₆O₄
MW: 202.16 g/mol

ZX-047291

Bergenin

CAS: 477-90-7
Formula: C₁₄H₁₆O₉
MW: 328.27 g/mol

ZX-034340

Berotralstat

CAS: 1809010-50-1
Formula: C₃₀H₂₆F₄N₆O
MW: 562.6 g/mol

ZX-020831

Besifloxacin

CAS: 141388-76-3
Formula: C₁₉H₂₁ClFN₃O₃
MW: 393.8 g/mol

ZX-020832

Besifloxacin 8-Dechloro Impurity

CAS: 141388-69-4
Formula: C₁₉H₂₂FN₃O₃
MW: 359.4 g/mol

ZX-020834

Besifloxacin Hydrochloride

CAS: 405165-61-9
Formula: C₁₉H₂₂Cl₂FN₃O₃
MW: 430.3 g/mol

ZX-020833

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