| Identification | Back Directory | [Name]
POLYPODINE B | [CAS]
18069-14-2 | [Synonyms]
Polypodine
POLYPODINE B
5β,20-Dihydroxyecdysone
polypodine B approx. 95%
(22R)-2β,3β,5,14,20,22,25-Heptahydroxy-5β-cholest-7-en-6-one
(20R,22R)-2β,3β,5,14,20,22,25-Heptahydroxy-5β-cholesta-7-ene-6-one
Cholest-7-en-6-one,2,3,5,14,20,22,25-heptahydroxy-, (2b,3b,5b,22R)- | [Molecular Formula]
C27H44O8 | [MDL Number]
MFCD00056452 | [MOL File]
18069-14-2.mol | [Molecular Weight]
496.63 |
| Chemical Properties | Back Directory | [Melting point ]
252-254 °C(Solv: acetone (67-64-1)) | [Boiling point ]
732.7±60.0 °C(Predicted) | [density ]
1.33±0.1 g/cm3(Predicted) | [storage temp. ]
-20°C | [form ]
Solid | [pka]
11.94±0.70(Predicted) | [color ]
White to off-white |
| Hazard Information | Back Directory | [Uses]
Polypodine B is a natural ecdysone ester isolated from the bark of Dacrydium intermedium[1]. | [Definition]
ChEBI:Polypodine B is a 2beta-hydroxy steroid, a 3beta-hydroxy steroid, a 14alpha-hydroxy steroid, a 20-hydroxy steroid, a 22-hydroxy steroid, a 26-hydroxy steroid, a 6-oxo steroid, a 5beta-hydroxy steroid, a tertiary alpha-hydroxy ketone and a phytoecdysteroid. | [References]
[1] G Russell, et al. Insect Moulting Hormones: The Phytoecdysones of Dacrydium Intermedium. |
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