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ChemicalBook >  Product Catalog >  Analytical Chemistry >  Standard >  Pharmaceutical Impurity Reference Standards >  (11β,16α)-21-(Acetyloxy)-11,16,17-trihydroxypregna-1,4,14-triene-3,20-dione

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

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

Product Name:
(11β,16α)-21-(Acetyloxy)-11,16,17-trihydroxypregna-1,4,14-triene-3,20-dione
Synonyms:
  • Budesonide 1,4,14-Triene Triol Impurity
  • 2-oxo-2-((8R,9S,10R,11S,13S,16R,17S)-11,16,17-trihydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,16,17-decahydro-3H-cyclopenta[a]phenanthren-17-yl)ethyl acetate
  • Budesonide Impurity 39
  • Budesonide Impurity 47
  • Pregna-1,4,14-triene-3,20-dione, 21-(acetyloxy)-11,16,17-trihydroxy-, (11β,16α)-
  • Budesonide impurity E-1
  • (11Beta,16Alpha)-21-(Acetyloxy)-11,16,17-trihydroxypregna-1,4,14-triene-3,20-dione
  • (11β,16α)-21-(Acetyloxy)-11,16,17-trihydroxypregna-1,4,14-triene-3,20-dione
CAS:
131918-72-4
MF:
C23H28O7
MW:
416.47
Mol File:
131918-72-4.mol
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(11β,16α)-21-(Acetyloxy)-11,16,17-trihydroxypregna-1,4,14-triene-3,20-dione Chemical Properties

Melting point:
>213°C (dec.)
Boiling point:
620.1±55.0 °C(Predicted)
Density 
1.37±0.1 g/cm3(Predicted)
storage temp. 
Refrigerator
solubility 
Chloroform (Slightly, Heated), DMSO (Slightly), Methanol (Slightly)
form 
Solid
pka
11.39±0.70(Predicted)
color 
Beige
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(11β,16α)-21-(Acetyloxy)-11,16,17-trihydroxypregna-1,4,14-triene-3,20-dione Usage And Synthesis

Uses

(11β,16α)-21-(Acetyloxy)-11,16,17-trihydroxypregna-1,4,14-triene-3,20-dione is an intermediate in the synthesis of Budesonide (B689490) related derivatives.

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