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Budesonide Impurity 7

Budesonide Impurity 7 Structure
CAS No.
3949-79-9
Chemical Name:
Budesonide Impurity 7
Synonyms
Budenoside Impurity 7;Budesonide Impurity 7;Budesonide Impurity 44;Budesonide Impurity 48;16α,17α-dihydroxy-21-acetoxy-1,4-pregnadiene-3,11,20-trione;(16α)-21-(Acetyloxy)-16,17-dihydroxypregna-1,4-diene-3,11,20-trione;Pregna-1,4-diene-3,11,20-trione, 21-(acetyloxy)-16,17-dihydroxy-, (16α)-;2-((8S,9S,10R,13S,14S,16R,17S)-16,17-dihydroxy-10,13-dimethyl-3,11-dioxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate
CBNumber:
CB14843794
Molecular Formula:
C23H28O7
Molecular Weight:
416.47
MOL File:
3949-79-9.mol
Modify Date:
2023/4/23 13:52:06

Budesonide Impurity 7 Properties

Melting point >150°C (dec.)
Boiling point 601.8±55.0 °C(Predicted)
Density 1.34±0.1 g/cm3(Predicted)
storage temp. -20°C Freezer, Under inert atmosphere
solubility DMSO (Slightly, Sonicated), Methanol (Slightly, Heated, Sonicated)
form Solid
pka 11.78±0.70(Predicted)
color White to Off-White

Budesonide Impurity 7 Preparation Products And Raw materials

Raw materials

Preparation Products

Budesonide Impurity 7 Budenoside Impurity 7 (16α)-21-(Acetyloxy)-16,17-dihydroxypregna-1,4-diene-3,11,20-trione 2-((8S,9S,10R,13S,14S,16R,17S)-16,17-dihydroxy-10,13-dimethyl-3,11-dioxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate Budesonide Impurity 44 16α,17α-dihydroxy-21-acetoxy-1,4-pregnadiene-3,11,20-trione Pregna-1,4-diene-3,11,20-trione, 21-(acetyloxy)-16,17-dihydroxy-, (16α)- Budesonide Impurity 48 3949-79-9