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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 50,131-50,140 of 59,523

DL-Leucine-d7

Isotopically labelledLevels of characterisation
Cat. No.
P-L039-011
CAS
259225-40-6
Formula
C6H6D7NO2
Family
Leucine
Synonyms
iso-propyl-d7, 2-amino-4,5,5,5-tetradeuterio-4-(trideuteriomethyl)pentanoic acid

L-Leucyl-L-Leucine

ImpurityLevels of characterisation
Cat. No.
P-L039-021
CAS
3303-31-9
Formula
C12H24N2O3
Family
Leucine
Synonyms
Leu-Leu, N-L-Leucyl-L-leucine

Levacetylleucine

ImpurityLevels of characterisation
Cat. No.
P-L039-006
CAS
1188-21-2
Formula
C8H15NO3
Family
Leucine
Synonyms
N-Acetyl-L-leucine, N-Acetylleucine

Lubiprostone Impurity 4

ImpurityLevels of characterisation
Cat. No.
P-L102-014
CAS
136790-79-9
Formula
C27H36F2O5
Family
Lubiprostone
Synonyms
Benzyl (E)-7-[(1R,2R,3R)-2-(4,4-difluoro-3-oxooctyl)-3-hydroxy-5-oxocyclopentyl]hept-5-enoate, Benzyl (Z)-7-((1R,2R,3R)-2-(4,4-difluoro-3-oxooctyl)-3-hydroxy-5-oxocyclopentyl)hept-5-enoate

Lubiprostone M14 Metabolite

MetaboliteLevels of characterisation
Cat. No.
P-L102-004
CAS
1246812-13-4
Formula
C16H24F2O7
Family
Lubiprostone
Synonyms
Cyclopentaneoctanoic acid, 2-(2-carboxyethyl)-delta,delta-difluoro-epsilon,5-dihydroxy-3-oxo-, (1R,2R,5R)-rel-

Lubiprostone-d7

Isotopically labelledLevels of characterisation
Cat. No.
P-L102-007
CAS
1217675-13-2
Formula
C20H25D7F2O5
Family
Lubiprostone
Synonyms
Lubiprostone-d7 (Mixture of Tautomeric Isomers)

7-Mac

ImpurityLevels of characterisation
Cat. No.
P-C087-004
CAS
56610-72-1
Formula
C24H24N6O4S2
Family
Cefminox
Synonyms
Diphenylmethyl 7beta-amino-7alpha-methoxy-3-(((1-methyl-1h-tetrazol-5-yl)thio)methyl)-3-cephem-4-carboxylate, Cefminox Impurity 2

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