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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 32,841-32,850 of 36,550

L-Tartaric Acid

ImpurityLevels of characterisation
Cat. No.
P-T299-011
CAS
87-69-4
Formula
C4H6O6
Synonyms
Threaric acid, Dextrotartaric acid

Tartaric Acid Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-T299-002
CAS
1207512-32-0
Formula
C19H16O8
Synonyms
(2R,3R)-2-(Benzoyloxy)-3-[(4-methylbenzoyl)oxy] Butanedioic Acid

D-Tartaric Acid Monoethyl Ester

ImpurityLevels of characterisation
Cat. No.
P-T299-004
CAS
608-89-9
Formula
C6H10O6
Synonyms
Monoethyl tartrate, Tartaric acid, monoethyl ester

D-Tartaric Acid Monomethyl Ester

ImpurityLevels of characterisation
Cat. No.
P-T299-006
CAS
3333-46-8
Formula
C5H8O6
Synonyms
Tartaric Acid Monomethyl Ester, Tartaric Acid Methyl Ester

Temsirolimus Impurity 1 (Temsirolimus Isomer C)

ImpurityLevels of characterisation
Cat. No.
P-T047-005
CAS
1027067-40-8
Formula
C56H87NO16
Family
Temsirolimus
Synonyms
[(1R,2R,4S)-4-[(2R)-2-[(8S,11S,14R,15Z,17R,18R,20R,22S,23Z,25Z,27Z,29S,31S,34R)-1,17-Dihydroxy-18,29-dimethoxy-14,16,20,22,28,34-hexamethyl-2,9,13,19,35-pentaoxo-10,36-dioxa-3-azatricyclo[29.4.1.03,8]hexatriaconta-15,23,25,27-tetraen-11-yl]propyl]-2-methoxycyclohexyl] 3-hydroxy-2-(hydroxymethyl)-2-methylpropanoate

Temsirolimus Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-T047-006
CAS
162635-03-2
Formula
C59H91NO16
Family
Temsirolimus
Synonyms
[(1R,2R,4S)-4-[(2R)-2-[(1R,9S,12S,15R,18R,19R,21R,23S,30S,32S,35R)-1,18-Dihydroxy-19,30-dimethoxy-15,17,21,23,29,35-hexamethyl-2,3,10,14,20-pentaoxo-11,36-dioxa-4-azatricyclo[30.3.1.04,9]hexatriaconta-16,24,26,28-tetraen-12-yl]propyl]-2-methoxycyclohexyl] 2,2,5-trimethyl-1,3-dioxane-5-carboxylate, Temsirolimus Acetonide

Temsirolimus Impurity 3

ImpurityLevels of characterisation
Cat. No.
P-T047-007
CAS
1401284-72-7
Formula
C67H103NO19
Family
Temsirolimus
Synonyms
[(1R,2R,4S)-4-[(2R)-2-[(1R,9S,12S,15R,16E,18R,19R,21R,23S,24E,26E,28E,30S,32S,35R)-1-Hydroxy-19,30-dimethoxy-15,17,21,23,29,35-hexamethyl-2,3,10,14,20-pentaoxo-18-(2,2,5-trimethyl-1,3-dioxane-5-carbonyl)oxy-11,36-dioxa-4-azatricyclo[30.3.1.04,9]hexatriaconta-16,24,26,28-tetraen-12-yl]propyl]-2-methoxycyclohexyl] 2,2,5-trimethyl-1,3-dioxane-5-carboxylate

3,6,9,12-Tetraoxatetracosan-1-ol

ImpurityLevels of characterisation
Cat. No.
P-P151-007
CAS
5274-68-0
Formula
C20H42O5
Family
Polidocanol
Synonyms
Polidocanol Impurity 3 (Polidocanol E4), 2-[2-[2-(2-dodecoxyethoxy)ethoxy]ethoxy]ethanol

(R)-Thalidomide

ImpurityLevels of characterisation
Cat. No.
P-T081-003
CAS
2614-06-4
Formula
C13H10N2O4
Family
Thalidomide
Synonyms
R-Thalidomide, 2-[(3R)-2,6-dioxopiperidin-3-yl]isoindole-1,3-dione

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