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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 54,801-54,810 of 59,523

Rifapentine Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-R055-007
CAS
27557-15-9
Formula
C38H45NO13
Family
Rifapentine
Synonyms
[(7S,9E,11S,12R,13S,14R,15R,16R,17S,18S,19E,21Z)-2,15,17-Trihydroxy-26-(hydroxymethylidene)-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6,23,27,29-tetraoxo-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]triaconta-1(28),2,4,9,19,21,24-heptaen-13-yl] acetate, 3-Formyl Rifamycin S

Sivelestat Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-S052-005
CAS
188114-98-9
Formula
C18H19NO6S
Family
Sivelestat
Synonyms
2-(4-(pivaloyloxy)phenylsulfonamido)benzoic acid, 2-[[4-(2,2-dimethylpropanoyloxy)phenyl]sulfonylamino]benzoic acid

Sivelestat Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-S052-006
CAS
150374-99-5
Formula
C11H13ClO4S
Family
Sivelestat
Synonyms
4-(Chlorosulfonyl)phenyl 2,2-dimethylpropanoate, Propanoic acid, 2,2-dimethyl-, 4-(chlorosulfonyl)phenyl ester

Sivelestat Impurity 3

ImpurityLevels of characterisation
Cat. No.
P-S052-009
CAS
127373-95-9
Formula
C21H24N2O7S
Family
Sivelestat
Synonyms
[4-[[2-[(2-Methoxy-2-oxoethyl)carbamoyl]phenyl]sulfamoyl]phenyl] 2,2-dimethylpropanoate

Spdb-DM4

ImpurityLevels of characterisation
Cat. No.
P-M015-014
CAS
1626359-62-3
Formula
C46H63ClN4O14S2
Family
Maytansine
Synonyms
Maytansinoid DM4 Impurity 10 (SPDB-DM4)

Tandospirone Impurity 3

ImpurityLevels of characterisation
Cat. No.
P-T014-006
CAS
99095-09-7
Formula
C13H18BrNO2
Family
Tandospirone
Synonyms
(1R,2S,6R,7S)-4-(4-Bromobutyl)-4-azatricyclo[5.2.1.02,6]decane-3,5-dione

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