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cloprednol

Basic information Safety Supplier Related

cloprednol Basic information

Product Name:
cloprednol
Synonyms:
  • (11β)-6-Chloro-11,17,21-trihydroxypregna-1,4,6-triene-3,20-dione
  • Cloprednole
  • 6-Chloro-11β,17,21-trihydroxypregna-1,4,6-triene-3,20-dione
  • RS-4691
  • Syntestan
  • cloprednol
  • Cloradryn
  • Novacort
CAS:
5251-34-3
MF:
C21H25ClO5
MW:
392.876
EINECS:
2260526
Product Categories:
  • Intermediates & Fine Chemicals
  • Pharmaceuticals
  • Steroids
Mol File:
5251-34-3.mol
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cloprednol Chemical Properties

Melting point:
>125°C (dec.)
Boiling point:
600.3±55.0 °C(Predicted)
Density 
1.40±0.1 g/cm3(Predicted)
storage temp. 
-20°C Freezer
solubility 
Ethyl Acetate (Slightly), Methanol (Slightly)
pka
12.30±0.70(Predicted)
form 
Solid
color 
White to Off-White
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cloprednol Usage And Synthesis

Originator

Syntestan,Syntex,W. Germany,1980

Uses

A systematic corticosteroid. Anti-inflammatory.

Definition

ChEBI: Cloprednol is a 21-hydroxy steroid.

Manufacturing Process

A mixture of 5 g of the 21-acetate of 6α-chlorohydrocortisone, 7 g of chloranil and 100 cc of n-amyl alcohol was refluxed for 16 hours, cooled and diluted with ether. The solution was successively washed with water, 5% sodium carbonate solution and water, dried over anhydrous sodium sulfate, filtered and evaporated to dryness under reduced pressure. Chromatographic purification of the residue yielded the 21-acetate of 6-chloro-δ1,4,6- pregnatriene-11β,17α,21-triol-3,20-dione.

Therapeutic Function

Glucocorticoid

cloprednolSupplier

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