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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 51,811-51,820 of 59,523

Pralatrexate Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-P161-007
CAS
1445586-42-4
Formula
C18H15N5O3
Family
Pralatrexate
Synonyms
4-[1-(2-amino-4-oxo-3H-pteridin-6-yl)pent-4-yn-2-yl]benzoic acid

Pralatrexate Impurity 6

ImpurityLevels of characterisation
Cat. No.
P-P161-015
CAS
374777-77-2
Formula
C25H27N7O5
Family
Pralatrexate
Synonyms
Dimethyl (2S)-2-[[4-[1-(2,4-diaminopteridin-6-yl)pent-4-yn-2-yl]benzoyl]amino]pentanedioate, Dimethyl (4-(1-(2,4-diaminopteridin-6-yl)pent-4-yn-2-yl)benzoyl)-L-glutamate

8-Prenylkaempferol

ImpurityLevels of characterisation
Cat. No.
P-I121-007
CAS
28610-31-3
Formula
C20H18O6
Synonyms
Icariin Impurity 5 (Desmethyl Icaritin), Desmethyl Icaritin

8-Prenylquercetin

ImpurityLevels of characterisation
Cat. No.
P-I121-008
CAS
143724-75-8
Formula
C20H18O7
Synonyms
Icariin Impurity 8

N-n-Propylnorapomorphine

ImpurityLevels of characterisation
Cat. No.
P-A173-015
CAS
58479-52-0
Formula
C19H21NO2
Family
Apomorphine
Synonyms
N-Propylnorapomorphine, Noraporphine-10,11-diol, 6-propyl-

Serine EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-S033-018
CAS
71-00-1
Formula
C6H9N3O2
Family
Serine
Synonyms
L-Histidine, Histidine

Serine Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-S033-016
CAS
1219135-46-2
Formula
C12H15NO5
Family
Serine
Synonyms
(2R)-3-Hydroxy-2-[methyl(phenylmethoxycarbonyl)amino]propanoic acid

DL-Serine Methyl Ester Hydrochloride

ImpurityLevels of characterisation
Cat. No.
P-S033-009
CAS
5619-04-5
Formula
C4H9NO3·HCl
Family
Serine
Synonyms
D,L-Serine Methyl Ester Hydrochloride, Methyl DL-serinate hydrochloride

DL-Serine-d3

Isotopically labelledLevels of characterisation
Cat. No.
P-S033-002
CAS
70094-78-9
Formula
C3H4D3NO3
Family
Serine
Synonyms
DL-Serine-2,3,3-d3, 2-amino-2,3,3-trideuterio-3-hydroxypropanoic acid

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