Intermediate of API

1,2-Dehydrobudesonide

CasNo:137174-25-5

Molecular Formula:C25H36O6

Specifications:>95%+

(16α)-16,17-[Butylidenebis(oxy)]-21-hydroxypregna-1,4-diene-3,11,20-trione

CasNo:216453-74-6

Molecular Formula:C25H32O6

Specifications:>95%+

16α,17-[(1RS)-Butylidenebis(oxy)]-11β-hydroxy-17-(hydroxyMethyl)-D-hoMoandrosta-1,4-diene-3,17a-dione (Mixture of DiastereoMers)

CasNo:1040085-99-1

Molecular Formula:C25H34O6

Specifications:>95+%

Pregna-1,4-diene-3,20-dione, 16,17-[butylidenebis(oxy)]-11-hydroxy-21-(1-oxobutoxy)-, (11β,16α)-

CasNo:2408495-96-3

Molecular Formula:C29H40O7

Specifications:>95+%

Budesonide Impurity

CasNo:192057-49-1

Molecular Formula:C24H32O6

Specifications:>95+%

Di-Norbudesonide (Mixture of DiastereoMers)

CasNo:1040085-98-0

Molecular Formula:C23H30O6

Specifications:>95+%

21-Acetoxy-11β-hydroxy-16α,17α-propylmethylenedioxpregna-1,4-diene-3,20-dione

CasNo:51333-05-2

Molecular Formula: C27H36O7

Specifications:>95+%

9,11-Anhydrobudesonide

CasNo:313474-58-7

Molecular Formula:C25H32O5

Specifications:>95+%

14,15-Dehydro Budesonide

CasNo:131918-64-4

Molecular Formula:C25H32O6

Specifications:>95+%

(11β,16α)-21-(Acetyloxy)-11,16,17-trihydroxypregna-1,4,14-triene-3,20-dione

CasNo:131918-72-4

Molecular Formula:C23H28O7

Specifications:>95+%

Budesonide Impurity 11

CasNo:39672-76-9

Molecular Formula:C21H26O5

Specifications:>95+%

(9,16b)-9,11-Epoxy-16,17,21-trihydroxypregna-1,4-diene-3,20-dione

CasNo:215095-77-5

Molecular Formula:C21H26O6

Specifications:>95+%