Structural Formula Vector Image
Title: 4-Pregnene-20,21-diol-3,11-dione
CAS Registry Number: 116-56-3
CAS Name: 20,21-Dihydroxypregn-4-ene-3,11-dione
Additional Names: Reichstein's substance T
Molecular Formula: C21H30O4
Molecular Weight: 346.46
Percent Composition: C 72.80%, H 8.73%, O 18.47%
Literature References: Isoln from adrenal glands: Reichstein, von Euw, Helv. Chim. Acta 22, 1222 (1939).
Properties: Crystals, mp ~210°. [a]D20 +176° (acetone).
Melting point: mp ~210°
Optical Rotation: [a]D20 +176° (acetone)
Derivative Type: Diacetate
Molecular Formula: C25H34O6
Molecular Weight: 430.53
Percent Composition: C 69.74%, H 7.96%, O 22.30%
Properties: Crystals, mp 212-213°.
Melting point: mp 212-213°
Status: This monograph has been retired and is no longer subject to revision or update.

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