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

2,569 products · page 94 of 108

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p-Coumaric acid

CAS: 7400-08-0
Formula: C₉H₈O₃
MW: 164.16 g/mol

ZX-036927

p-Hydroxybenzyl methyl ether

CAS: 5355-17-9
Formula: C₈H₁₀O₂
MW: 138.16 g/mol

ZX-041086

P-Hydroxyphenylglycine Methyl Ester

CAS: 26531-82-8
Formula: C₉H₁₁NO₃
MW: 181.19 g/mol

ZX-021090

p-Hydroxyxylazine

CAS: 145356-32-7
Formula: C₁₂H₁₆N₂OS
MW: 236.34 g/mol

ZX-042686

Paclitaxel Photodegradant

CAS: 146139-03-9
Formula: C₄₇H₅₁NO₁₄
MW: 853.9 g/mol

ZX-026271

Palbociclib Piperazine N-Oxide

CAS: 2174002-29-8
Formula: C₂₄H₂₉N₇O₃
MW: 463.5 g/mol

ZX-006320

Palbociclib Piperazine N-Oxide Hydrochloride

CAS: 2174002-29-8
Formula: C₂₄H₂₉N₇O₃
MW: 463.5 g/mol

ZX-006321

Palbociclib Pyridine N-Oxide Hydrochloride Impurity

CAS: 2098673-44-8
Formula: C₂₄H₃₀ClN₇O₃
MW: 500 g/mol

ZX-006322

Palbociclib Pyridine N-Oxide Impurity

CAS: 2098673-40-4
Formula: C₂₄H₂₉N₇O₃
MW: 463.5 g/mol

ZX-006323

Paliperidone hydroxy benzoyl analog

CAS: 152542-03-5
Formula: C₂₃H₂₈FN₃O₄
MW: 429.5 g/mol

ZX-020358

Paliperidone N-Oxide

CAS: 761460-08-6
Formula: C₂₃H₂₇FN₄O₄
MW: 442.5 g/mol

ZX-026284

Paliperidone Palmitate N-Oxide

CAS: 1404053-60-6
Formula: C₃₉H₅₇FN₄O₅
MW: 680.9 g/mol

ZX-026286

Pantoprazole N-oxide

CAS: 953787-60-5
Formula: C₁₆H₁₅F₂N₃O₅S
MW: 399.4 g/mol

ZX-006324

Pantoprazole Sulfide N-Oxide

CAS: 953787-51-4
Formula: C₁₆H₁₅F₂N₃O₄S
MW: 383.4 g/mol

ZX-006325

Pantoprazole Sulfone N-Oxide

CAS: 953787-55-8
Formula: C₁₆H₁₅F₂N₃O₆S
MW: 415.4 g/mol

ZX-026297

para-Hydroxy Atorvastatin (Ca Salt)

CAS: 265989-44-4
Formula: C₆₆H₆₈CaF₂N₄O₁₂
MW: 1187.3 g/mol

ZX-032916

Pazopanib metabolite M27

CAS: 1252927-47-1
Formula: C₂₀H₂₁N₇O₂S
MW: 423.5 g/mol

ZX-031757

PBC-5A AZA N-Oxide Des Boc Impurity Stage-1

CAS: 571189-16-7
Formula: C₁₄H₂₀N₄O₄
MW: 308.33 g/mol

ZX-006326

Pemetrexed Alpha-hydroxy lactum

CAS: 1644286-36-1
Formula: C₂₀H₂₁N₅O₈
MW: 459.4 g/mol

ZX-031763

Pentaerythritol 3,5-di-tert-butyl-4-hydroxyhydrocinnamate

CAS: 26347-98-8
Formula: C₂₂H₃₆O₆
MW: 396.5 g/mol

ZX-026577

Peramivir Impurity B

CAS: 316173-29-2
Formula: C₁₈H₃₄N₂O₅
MW: 358.5 g/mol

ZX-031786

Peramivir Impurity G

CAS: 229615-05-8
Formula: C₁₅H₂₈N₂O₄
MW: 300.39 g/mol

ZX-031788

Perampanel N-Oxide impurity

CAS: 380919-67-5
Formula: C₂₃H₁₅N₃O₂
MW: 365.4 g/mol

ZX-006327

Perazine Sulfoxide

CAS: 20627-44-5
Formula: C₂₀H₂₅N₃OS
MW: 355.5 g/mol

ZX-036495

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