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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 50,111-50,120 of 59,523

Isoflurane EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-I085-002
CAS
32778-08-8
Formula
C3HCl2F5O
Family
Isoflurane
Synonyms
1-Chloroisofluorane, 2-Chloro-2-(chlorodifluoromethoxy)-1,1,1-trifluoroethane

Isoflurane EP Impurity E

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-I085-003
CAS
32778-09-9
Formula
C3Cl3F5O
Family
Isoflurane
Synonyms
1,1-dichloro-1-(chlorodifluoromethoxy)-2,2,2-trifluoroethane, Dichloroisoflurane

Isoflurane Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-I085-007
CAS
26644-86-0
Formula
C3H3Cl2F3O
Family
Isoflurane
Synonyms
2-(Dichloromethoxy)-1,1,1-trifluoroethane, Dichloromethyl 2,2,2-trifluoroethyl ether

Isoflurane Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-I085-009
CAS
37031-34-8
Formula
C3H3ClF4O
Family
Isoflurane
Synonyms
2-[Chloro(fluoro)methoxy]-1,1,1-trifluoroethane, Chlorofluoromethyl 2,2,2-trifluoroethyl ether

Ivermectin B1a

ImpurityLevels of characterisation
Cat. No.
P-I108-023
CAS
71827-03-7
Formula
C48H74O14
Family
Ivermectin
Synonyms
Dihydroavermectin B1a, Avermectin H2B1a

Ivermectin B1b

ImpurityLevels of characterisation
Cat. No.
P-I108-025
CAS
70209-81-3
Formula
C47H72O14
Family
Ivermectin
Synonyms
22,23-Dihydroavermectin B1b, Avermectin A1a, 5-O-demethyl-25-de(1-methylpropyl)-22,23-dihydro-25-(1-methylethyl)-

Ivermectin EP Impurity B

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-I108-003
CAS
65195-56-4
Formula
C47H70O14
Family
Ivermectin
Synonyms
Abamectin B1b, Avermectin B1b

Ivermectin EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-I108-004
CAS
65195-57-5
Formula
C48H74O15
Family
Ivermectin
Synonyms
Avermectin B2a, Avermectin A1a, 5-O-demethyl-22,23-dihydro-23-hydroxy-, (23S)-

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