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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 53,331-53,340 of 59,523

Metolazone EP Impurity D

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-M107-005
CAS
4015-23-0
Formula
C16H14ClN3O3S
Family
Metolazone
Synonyms
Didehydrometolazone, 7-chloro-2-methyl-3-(2-methylphenyl)-4-oxoquinazoline-6-sulfonamide

Metolazone EP Impurity E

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-M107-006
CAS
23380-54-3
Formula
C14H14ClN3O3S
Family
Metolazone
Synonyms
2-amino-4-chloro-N-(2-methylphenyl)-5-sulfamoylbenzamide, Benzamide, 2-amino-5-(aminosulfonyl)-4-chloro-N-(2-methylphenyl)-

Metolazone-d7

Isotopically labelledLevels of characterisation
Cat. No.
P-M107-007
CAS
2714484-71-4
Formula
C16H9D7ClN3O3S
Family
Metolazone

Mono(2-ethylhexyl) Maleate

ImpurityLevels of characterisation
Cat. No.
P-D163-011
CAS
7423-42-9
Formula
C12H20O4
Family
Docusate
Synonyms
Monooctyl maleate, Maleic Acid Mono(2-ethylhexyl) Ester

N,N-Dimethyl Zonisamide

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-Z026-004
CAS
1217201-89-2
Formula
C11H13N3O3S
Family
Zonisamide
Synonyms
Zonisamide USP Related Compound C (Mixture of Isomers), Zonisamide N,N-dimethylformimidamide

N-Nitroso Sotalol

NitrosamineLevels of characterisation
Cat. No.
P-S069-011
CAS
134720-07-3
Formula
C12H19N3O4S
Family
Sotalol
Synonyms
N-(4-(1-hydroxy-2-(nitroso(propan-2-yl)amino)ethyl)phenyl)methanesulfonamide, N-(4-(1-Hydroxy-2-((1-methylethyl)nitrosoamino)ethyl)phenyl)methanesulfonamide

N-Nitroso Thiamazole EP Impurity A

NitrosamineLevels of characterisation
Cat. No.
P-T085-011
CAS
111348-65-3
Formula
C5H12N2O3
Family
Thiamazole
Synonyms
N-Nitroso Methimazole USP Related Compound A, 2,2-Dimethoxy-N-methyl-N-nitrosoethanamine

Olsalazine EP Impurity A

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-O019-002
CAS
2749969-12-6
Formula
C15H12N2O6
Family
Olsalazine
Synonyms
5-[(3-carboxy-4-methoxyphenyl)diazenyl]-2-hydroxybenzoic acid

Olsalazine EP Impurity B

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-O019-003
CAS
752188-68-4
Formula
C14H10N2O6
Family
Olsalazine
Synonyms
4-Dehydroxy-2-hydroxy Olsalazine, 3-[(3-carboxy-4-hydroxyphenyl)diazenyl]-2-hydroxybenzoic acid

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