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Ecdysone

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Ecdysone Basic information

Product Name:
Ecdysone
CAS:
3604-87-3
MF:
C27H44O6
MW:
464.63
EINECS:
222-760-4
Mol File:
3604-87-3.mol
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Ecdysone Chemical Properties

Melting point:
242°C
alpha 
20578 +62°
Boiling point:
488.1°C (rough estimate)
Density 
1.0493 (rough estimate)
refractive index 
1.4482 (estimate)
storage temp. 
2-8°C
pka
14.07±0.70(Predicted)
Merck 
13,3525
BRN 
2422986
CAS DataBase Reference
3604-87-3(CAS DataBase Reference)
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Safety Information

Safety Statements 
22-24/25
WGK Germany 
3
RTECS 
FZ8170000
10

MSDS

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Ecdysone Usage And Synthesis

Metabolic pathway

When white mice are administered 3H-ecdyson, (2b,3b,14a,22(R),25-pentahydroxy-5b-cholest-7-ene-6- one) by injection intraperitoneally, ecdysone is metabolized via hydroxylation at C14, followed by reduction of ring B into the 6a-hydroxy derivative and epimerization at C3.

Purification Methods

Recrystallise -ecdyson from tetrahydrofuran/pet ether and from H2O as a hydrate. It has been purified by chromatogaphy on Al2O3 and elution with EtOAc/MeOH. It has max at 242nm ( 12,400). Its acetate has m 214-216o from EtOAc/pet ether, and the 2,4-dinitrophenylhydrazone has m 170-175o(dec) from EtOAc. [Karlson & Hoffmeister Justus Liebigs Ann Chem 662 1 1963, Karlson Pure Appl Chem 14 75 1967, Beilstein 8 IV 3613.]

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J & K SCIENTIFIC LTD.
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