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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 33,391-33,400 of 36,550

Penicillin Impurity 6

ImpurityLevels of characterisation
Cat. No.
P-P386-009
CAS
2382934-80-5
Formula
C14H20N2O2

Phosphopantothenic acid

ImpurityLevels of characterisation
Cat. No.
P-P015-006
CAS
5875-50-3
Formula
C9H18NO8P
Family
Pantothenic Acid
Synonyms
N-[(2R)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanine, Vitamin B5 Impurity 2

6-(Furfurylamino)-Purine

ImpurityLevels of characterisation
Cat. No.
P-P1007-004
CAS
525-79-1
Formula
C10H9N5O
Synonyms
Kinetin, N-(furan-2-ylmethyl)-7H-purin-6-amine

Purine Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-P1007-007
CAS
1448999-68-5
Formula
C29H34N6O3

Pyrantel Impurity D

ImpurityLevels of characterisation
Cat. No.
P-P235-008
CAS
4271-96-9
Formula
C6H12N2
Family
Pyrantel
Synonyms
1,2-Dimethyl-1,4,5,6-tetrahydropyrimidine, 1,2-dimethyl-5,6-dihydro-4H-pyrimidine

Raltitrexed Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-R008-004
CAS
2135790-65-5
Formula
C21H20N4O5S
Family
Raltitrexed
Synonyms
N-[(3S)-2,6-Dioxooxan-3-yl]-5-[methyl-[(2-methyl-4-oxo-3H-quinazolin-6-yl)methyl]amino]thiophene-2-carboxamide

Raltitrexed Impurity 4

ImpurityLevels of characterisation
Cat. No.
P-R008-007
CAS
859855-64-4
Formula
C17H17N3O3S
Family
Raltitrexed
Synonyms
Methyl 5-[methyl-[(2-methyl-4-oxo-3H-quinazolin-6-yl)methyl]amino]thiophene-2-carboxylate

Raltitrexed Impurity 5

ImpurityLevels of characterisation
Cat. No.
P-R008-008
CAS
138899-69-1
Formula
C16H15N3O3S
Family
Raltitrexed
Synonyms
5-[Methyl-[(2-methyl-4-oxo-1H-quinazolin-6-yl)methyl]amino]thiophene-2-carboxylic acid

Rebaudioside B

ImpurityLevels of characterisation
Cat. No.
P-R129-002
CAS
58543-17-2
Formula
C38H60O18
Synonyms
Stevioside A4, Rebaudioside b(p)(new)

Rebaudioside C

ImpurityLevels of characterisation
Cat. No.
P-R129-003
CAS
63550-99-2
Formula
C44H70O22
Synonyms
FEMA NO. 4720, Dulcoside B

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