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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 29,251-29,260 of 36,550

Fluorouracil Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-F091-014
CAS
726207-85-8
Formula
C6H7FN2O2
Family
Fluorouracil
Synonyms
5-Fluoro-2-methoxy-3-methylpyrimidin-4(3H)-one, 5-fluoro-2-methoxy-3-methylpyrimidin-4-one

Fluorouracil Impurity 6

ImpurityLevels of characterisation
Cat. No.
P-F091-022
CAS
1621906-07-7
Formula
C4H7FN2O4
Family
Fluorouracil
Synonyms
rel-(2R,3R)-2-Fluoro-3-hydroxy-3-ureidopropanoic acid

Fluorouracil Impurity 7

ImpurityLevels of characterisation
Cat. No.
P-F091-023
CAS
1621906-08-8
Formula
C4H7FN2O4
Family
Fluorouracil
Synonyms
rel-(2R,3S)-2-Fluoro-3-hydroxy-3-ureidopropanoic acid

Fmoc-alphamethyl Leucine

ImpurityLevels of characterisation
Cat. No.
P-L039-005
CAS
312624-65-0
Formula
C22H25NO4
Family
Leucine
Synonyms
Fmoc-alpha-methyl-L-leucine, N-((9H-Fluoren-9-ylmethoxy)carbonyl)-2-methyl-L-leucine

Fmoc-D-Leu-OH

ImpurityLevels of characterisation
Cat. No.
P-L039-018
CAS
114360-54-2
Formula
C21H23NO4
Family
Leucine
Synonyms
Fmoc-D-leucine, N-Fmoc-D-leucine

Fmoc-Leu-OH

ImpurityLevels of characterisation
Cat. No.
P-L039-019
CAS
35661-60-0
Formula
C21H23NO4
Family
Leucine
Synonyms
Fmoc-leucine, n-(fluorenyl-9-methoxycarbonyl)leucine

Formyl D-Penicillamine

ImpurityLevels of characterisation
Cat. No.
P-P044-009
CAS
13833-89-1
Formula
C6H11NO3S
Family
Penicillamine
Synonyms
N-Formylpenicillamine, D-Valine, N-formyl-3-mercapto-

Formyl L-Penicillamine

ImpurityLevels of characterisation
Cat. No.
P-P044-010
CAS
884311-05-1
Formula
C6H11NO3S
Family
Penicillamine
Synonyms
N-formylpenicillamin, Tazobactam Impurity B

N-alpha-Formyl-d-leucine

ImpurityLevels of characterisation
Cat. No.
P-L039-007
CAS
44978-39-4
Formula
C7H13NO3
Family
Leucine
Synonyms
N-Formyl-D-leucine, For-D-Leu-OH

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