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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 50,101-50,110 of 59,523

Hydroxycarbamide-13C-15N2

Isotopically labelledLevels of characterisation
Cat. No.
P-U011-004
CAS
1246814-92-5
Formula
¹³CH4¹⁵N2O2
Family
Urea
Synonyms
Hydroxy Urea-13C-15N2, hydroxy(13C)urea

Hydroxycarbamide-15N

Isotopically labelledLevels of characterisation
Cat. No.
P-U011-005
CAS
214331-53-0
Formula
CH4N¹⁵NO2
Family
Urea
Synonyms
Hydroxy Urea-15N

4'-Hydroxynordiazepam

ImpurityLevels of characterisation
Cat. No.
P-D087-013
CAS
17270-12-1
Formula
C15H11ClN2O2
Family
Diazepam
Synonyms
4'-Hydroxydesmethyldiazepam, 7-chloro-5-(4-hydroxyphenyl)-1,3-dihydro-1,4-benzodiazepin-2-one

Isobarbituric Acid

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-F091-002
CAS
496-76-4
Formula
C4H4N2O3
Family
Fluorouracil
Synonyms
1,3-diazinane-2,4,5-trione, Dihydropyrimidine-2,4,5(3H)-trione

Isoflurane EP Impurity A

ImpurityLevels of characterisation
Cat. No.
P-I085-006
CAS
33018-78-9
Formula
C3H2ClF5O
Family
Isoflurane
Synonyms
2-(chlorodifluoromethoxy)-1,1,1-trifluoroethane, Isofluorane Impurity 3

Isoflurane EP Impurity B

ImpurityLevels of characterisation
Cat. No.
P-I085-008
CAS
1885-48-9
Formula
C3H3F5O
Family
Isoflurane
Synonyms
2-(difluoromethoxy)-1,1,1-trifluoroethane, Isofluorane Impurity 2

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