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Pharmaceutical analytical standards

APIs, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

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Hydralazine Triazole Impurity

ImpurityLevels of characterisation

Cat. No.: P-H037-019
CAS: 234-80-0
Formula: C₉H₆N₄
Family: Hydralazine
Synonyms: s-Triazolo(3,4-a)phthalazine, NSC 116341

21-Hydroxy Deflazacort

ImpurityLevels of characterisation

Cat. No.: P-D034-007
CAS: 13649-57-5
Formula: C₂₃H₂₉NO₅
Family: Deflazacort
Synonyms: 21-Desacetyl Deflazacort, 21-Desacetyldeflazacort

6-alpha-Hydroxy Deflazacort

ImpurityLevels of characterisation

Cat. No.: P-D034-008
CAS: 1262053-48-4
Formula: C₂₅H₃₁NO₇
Family: Deflazacort
Synonyms: Deflazacort 6beta-Hydroxy

N-Hydroxy Gatifloxacin

ImpurityLevels of characterisation

Cat. No.: P-G019-016
CAS: 1335198-95-2
Formula: C₁₉H₂₂FN₃O₅
Family: Gatifloxacin

5-Hydroxy Imazapyr

ImpurityLevels of characterisation

Cat. No.: P-I133-005
CAS: 102771-62-0
Formula: C₁₃H₁₅N₃O₄

12-Hydroxy Nevirapine

ImpurityLevels of characterisation

Cat. No.: P-N043-009
CAS: 133627-24-4
Formula: C₁₅H₁₄N₄O₂
Family: Nevirapine
Synonyms: Nevirapine metabolite m5, Nevirapin 4-substituted deriv. 2

2-Hydroxy Nevirapine

ImpurityLevels of characterisation

Cat. No.: P-N043-011
CAS: 254889-31-1
Formula: C₁₅H₁₄N₄O₂
Family: Nevirapine
Synonyms: Nevirapine metabolite M2

3-Hydroxy Nevirapine

ImpurityLevels of characterisation

Cat. No.: P-N043-014
CAS: 174532-82-2
Formula: C₁₅H₁₄N₄O₂
Family: Nevirapine
Synonyms: Nevirapine metabolite M3, Nevirapine 3-Hydroxy Impurity

8-Hydroxy Nevirapine

ImpurityLevels of characterisation

Cat. No.: P-N043-016
CAS: 254889-32-2
Formula: C₁₅H₁₄N₄O₂
Family: Nevirapine
Synonyms: Nevirapine metabolite M4

4-Hydroxy Nimesulide

ImpurityLevels of characterisation

Cat. No.: P-N066-013
CAS: 109032-22-6
Formula: C₁₃H₁₂N₂O₆S
Family: Nimesulide
Synonyms: 4-Nitro-2-(4'-hydroxyphenoxy)methanesulfonanilide, N-[2-(4-hydroxyphenoxy)-4-nitrophenyl]methanesulfonamide

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