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Pharmaceutical analytical standards

Active ingredients, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

Active ingredients from A to Z →

Results 4,821-4,830 of 5,812

Atovaquone EP Impurity A

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-A212-002
CAS
2517583-91-2
Formula
C22H19ClO3
Family
Atovaquone
Synonyms
2-[4-(4-chlorophenyl)cyclohexyl]-3-oxoindene-1-carboxylic acid

Atovaquone EP Impurity B

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-A212-003
CAS
137732-39-9
Formula
C22H19ClO3
Family
Atovaquone
Synonyms
3-(4-(4-Chlorophenyl)cyclohexyl)-4-hydroxynaphthalene-1,2-dione, 3-[4-(4-chlorophenyl)cyclohexyl]-4-hydroxynaphthalene-1,2-dione

Atovaquone EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-A212-004
CAS
1809464-27-4
Formula
C22H17ClO3
Family
Atovaquone
Synonyms
Didehydro Atovaquone, Didehydro Atovaquone Impurity

Atovaquone EP Impurity D

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-A212-005
CAS
129700-41-0
Formula
C23H21ClO3
Family
Atovaquone
Synonyms
O-Methyl Atovaquone, 2-[4-(4-chlorophenyl)cyclohexyl]-3-methoxynaphthalene-1,4-dione

Biperiden EP Impurity A

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-B085-004
CAS
2985510-53-8
Formula
C21H29NO
Family
Biperiden
Synonyms
endo-biperiden, Biperiden, endo-

Biperiden EP Impurity D

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-B085-022
CAS
475563-21-4
Formula
C15H23NO
Family
Biperiden
Synonyms
1-[(1R,2S,4R)-2-Bicyclo[2.2.1]hept-5-enyl]-3-piperidin-1-ylpropan-1-one, Exo form-1-((1rs,2sr(alpha hydrogen),4rs)-bicyclo(2.2.1)hept-5-en-2-yl)-3-(piperidin-1-yl)propan-1-one

Biperiden EP Impurity E

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-B085-023
CAS
2832847-11-5
Formula
C15H23NO
Family
Biperiden
Synonyms
1-[(1R,2R,4R)-2-Bicyclo[2.2.1]hept-5-enyl]-3-piperidin-1-ylpropan-1-one, 1-((1R,2R,4R)-Bicyclo[2.2.1]hept-5-en-2-yl)-3-(piperidinyl)propanone

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