Pharmaceutical analytical standards

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

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Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-B064-012
CAS: 66917-44-0
Formula: C₂₈H₃₆O₇
Family: Betamethasone
Synonyms: Betamethasone Dipropionate USP Related Compound F, Beclometasone Dipropionate EP Impurity J, Betamethasone 9,11-epoxide 17,21-dipropionate

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-B064-013
CAS: 1186048-33-8
Formula: C₃₁H₄₁FO₈
Family: Betamethasone
Synonyms: Betamethasone Tripropionate, Betamethasone dipropionate impurity G

Pharmacopoeial impurityLevels of characterisation

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-B064-033
CAS: 2575516-37-7
Formula: C₂₈H₃₆BrFO₇
Family: Betamethasone
Synonyms: Betamethasone dipropionate impurity H, Betamethasone Dipropionate EP Impurity H

Pharmacopoeial impurityLevels of characterisation

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-B064-017
CAS: 13504-15-9
Formula: C₂₂H₂₈O₄
Family: Betamethasone
Synonyms: 17,21-Dihydroxy-16beta-methylpregna-1,4,9(11)-triene-3,20-dione, Betamethasone impurity c (ep impurity)

Pharmacopoeial impurityLevels of characterisation

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-B064-019
CAS: 981-34-0
Formula: C₂₂H₂₈O₅
Family: Betamethasone
Synonyms: Betamethasone 9,11-epoxide, Betamethasone impurity e (ep impurity)

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-B064-020
CAS: 330157-04-5
Formula: C₂₂H₂₈O₄
Family: Betamethasone
Synonyms: 17,21-Dihydroxy-16beta-methylpregna-1,4,11-triene-3,20-dione, Betamethasone impurity f (ep impurity)

Pharmacopoeial impurityLevels of characterisation

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