BCD18: Beclometasone Dipropionate EP Impurity R

BCD18: Beclometasone Dipropionate EP Impurity R

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Betamethasone EP Impurity E ;

Betamethasone USP RC E ;

Betamethasone 9,11-Epoxy Impurity ;    

9,11β-Epoxy-17,21-dihydroxy-16β-methyl-9β-pregna-1,4-diene-3,20-dione ;

CAS # 981-34-0 ; 

C22H28O5 ;

MW: 372.45 ;