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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Progoitrin

CAS: 585-95-5
Formula: C₁₁H₁₉NO₁₀S₂
MW: 389.4 g/mol

ZX-043965

Promethazine N-Oxide

CAS: 81480-39-9
Formula: C₁₇H₂₀N₂OS
MW: 300.4 g/mol

ZX-032013

Promethazine Sulfoxide N-Oxide Hydrochloride

CAS: 1135334-50-7
Formula: C₁₇H₂₁ClN₂O₂S
MW: 352.9 g/mol

ZX-032015

Propioguaiacol

CAS: 1835-14-9
Formula: C₁₀H₁₂O₃
MW: 180.2 g/mol

ZX-033607

Propionyl-L-carnitine HCl

CAS: 119793-66-7
Formula: C₁₀H₂₀ClNO₄
MW: 253.72 g/mol

ZX-035435

Propofol Impurity 23

CAS: 84633-54-5
Formula: C₅₆H₈₄O₁₀
MW: 917.3 g/mol

ZX-045678

Propofol-β-D-Glucuronide

CAS: 114991-26-3
Formula: C₁₈H₂₆O₇
MW: 354.4 g/mol

ZX-032034

Prostaglandin B1

CAS: 13345-51-2
Formula: C₂₀H₃₂O₄
MW: 336.5 g/mol

ZX-020564

Prothioconazole Impurity 8 (Mixture of Diastereomers)

CAS: 856045-95-9
Formula: C₁₄H₁₅Cl₂N₃O₂
MW: 328.2 g/mol

ZX-036721

Prothioconazole-3-hydroxy-desthio

CAS: 856045-93-7
Formula: C₁₄H₁₅Cl₂N₃O₂
MW: 328.2 g/mol

ZX-036595

Prothioconazole-4-hydroxy-desthio

CAS: 856045-88-0
Formula: C₁₄H₁₅Cl₂N₃O₂
MW: 328.2 g/mol

ZX-036596

Protionamide Sulfoxide

CAS: 62178-61-4
Formula: C₉H₁₂N₂OS
MW: 196.27 g/mol

ZX-032042

Prucalopride dihydroxy n-oxide impurity

CAS: 1900715-95-8
Formula: C₁₈H₂₆ClN₃O₆
MW: 415.9 g/mol

ZX-032045

Prucalopride N-Oxide

CAS: 1900715-98-1
Formula: C₁₈H₂₆ClN₃O₄
MW: 383.9 g/mol

ZX-006334

Pseudogamythromycin

CAS: 92594-48-4
Formula: C₄₀H₇₆N₂O₁₂
MW: 777 g/mol

ZX-029692

Pseudomonic acid E

CAS: 167842-57-1
Formula: C₂₈H₄₈O₉
MW: 528.7 g/mol

ZX-030727

Pseudomorphine

CAS: 125-24-6
Formula: C₃₄H₃₆N₂O₆
MW: 568.7 g/mol

ZX-047932

Pyridoxal 5'-phosphate Hydrate

CAS: 853645-22-4
Formula: C₈H₁₀NO₆P
MW: 247.14 g/mol

ZX-036067

Pyridoxamine-5'-phosphate

CAS: 529-96-4
Formula: C₈H₁₃N₂O₅P
MW: 248.17 g/mol

ZX-032043

Pyridoxol 5-Phosphate

CAS: 447-05-2
Formula: C₈H₁₂NO₆P
MW: 249.16 g/mol

ZX-036069

Quinidine N-Oxide

CAS: 70116-00-6
Formula: C₂₀H₂₄N₂O₃
MW: 340.4 g/mol

ZX-032072

Quinolin-2(1H)-one

CAS: 59-31-4
Formula: C₉H₇NO
MW: 145.16 g/mol

ZX-033054

R-(-)-O-Desmethyl Venlafaxine

CAS: 142761-11-3
Formula: C₁₆H₂₅NO₂
MW: 263.37 g/mol

ZX-027548

R-9-(2-Hydroxy Propyl)adenine

CAS: 14047-28-0
Formula: C₈H₁₁N₅O
MW: 193.21 g/mol

ZX-027153

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