Impurity Reference Standards

Metabolites & Degradation Products

Drug metabolites, N-oxides, sulphoxides and forced-degradation products for stability studies, DMPK work and impurity identification.

2,569 products117 in stockCOA + SDS with every lot

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Benzoic acid, 3-bromo-4-hydroxy-5-methyl-,methyl Ester

CAS: 2090296-22-1
Formula: C₉H₉BrO₃
MW: 245.07 g/mol

ZX-028227

Benzydamine N-Oxide

CAS: 36504-71-9
Formula: C₁₉H₂₃N₃O₂
MW: 325.4 g/mol

ZX-023549

Benzydamine N-Oxide Hydrochloride

CAS: 39860-94-1
Formula: C₁₉H₂₄ClN₃O₂
MW: 361.9 g/mol

ZX-033092

Benzyl

CAS: 106148-95-2
Formula: C₂₄H₂₃NO₅
MW: 405.4 g/mol

ZX-027910

Benzyl

CAS: 128018-43-9
Formula: C₁₈H₂₀ClNO₃
MW: 333.8 g/mol

ZX-032372

Benzyl ((2S,3R)-3-Hydroxy-4-(isobutylamino)-1-phenylbutan-2-yl)carbamate

CAS: 143224-62-8
Formula: C₂₂H₃₀N₂O₃
MW: 370.5 g/mol

ZX-028873

Benzyl Paraben

CAS: 94-18-8
Formula: C₁₄H₁₂O₃
MW: 228.24 g/mol

ZX-036441

Benzyl Phenylephrone Hydrochloride

CAS: 71786-67-9
Formula: C₁₆H₁₈ClNO₂
MW: 291.77 g/mol

ZX-026843

Berberubine chloride form

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

ZX-047961

beta-Estradiol 17-(beta-D-glucuronide) sodium salt

CAS: 15087-02-2
Formula: C₂₄H₃₁NaO₈
MW: 470.5 g/mol

ZX-033432

Beta-Hydroxy Pentoate

CAS: 10237-77-1
Formula: C₅H₁₀O₃
MW: 118.13 g/mol

ZX-040288

beta-Hydroxybutyronitrile

CAS: 4368-06-3
Formula: C₄H₇NO
MW: 85.1 g/mol

ZX-042599

Beta-Zearalanol

CAS: 42422-68-4
Formula: C₁₈H₂₆O₅
MW: 322.4 g/mol

ZX-036238

Betamethasone 20-hydroxy 21-acid impurity

CAS: 1249-19-0
Formula: C₂₂H₂₉FO₅
MW: 392.5 g/mol

ZX-020845

Betamethasone 6 a bromo analog

CAS: 1203841-38-6
Formula: C₂₂H₂₈BrFO₅
MW: 471.4 g/mol

ZX-020842

Betamethasone Benzoate

CAS: 22298-29-9
Formula: C₂₉H₃₃FO₆
MW: 496.6 g/mol

ZX-032863

Betamethasone Impurity

CAS: 560-34-9
Formula: C₂₂H₃₁FO₅
MW: 394.5 g/mol

ZX-020003

Betamethasone Impurity 10

CAS: 38680-83-0
Formula: C₂₃H₂₈O₆
MW: 400.5 g/mol

ZX-028246

Betamethasone Impurity 15

CAS: 1150311-95-7
Formula: C₂₂H₂₉FO₅
MW: 392.5 g/mol

ZX-028247

Bicalutamide Sulfoxide

CAS: 945419-64-7
Formula: C₁₈H₁₄F₄N₂O₃S
MW: 414.4 g/mol

ZX-020866

Bictegravir (2S,5R,13aS) Isomer

CAS: 1616340-12-5
Formula: C₂₁H₁₈F₃N₃O₅
MW: 449.4 g/mol

ZX-020869

Bictegravir 2,4-Difluoro Impurity

CAS: 1611493-56-1
Formula: C₂₁H₁₉F₂N₃O₅
MW: 431.4 g/mol

ZX-020013

Bictegravir Impurity 6

CAS: 2411506-35-7
Formula: C₁₃H₁₅NO₃
MW: 233.26 g/mol

ZX-020014

Bilastine N-Oxide

CAS: 2069238-47-5
Formula: C₂₈H₃₇N₃O₄
MW: 479.6 g/mol

ZX-006239

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