DHEA Dehydroepiandrosterone,DHEA,dehydroisoandrosterone,PRASTERONE,53-43-0

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DHEA Dehydroepiandrosterone
Technical features

Description:

DHEA Dehydroepiandrosterone




Dehydroepiandrosterone
Alias:DHEA,dehydroisoandrosterone,PRASTERONE;TRANS-DEHYDROANDROSTERONE
CAS NO: 53-43-0
Einecs No: 200-175-5
MF:  C19H28O2
MW: 288.42

Purity: 98.0%
Appearance:  White crystalline powder. Soluble in benzene, ethanol, ethyl ether, soluble in chloroform, petroleum ether.
Usage: Used in the production of the main raw material of steroid hormone drugs and birth control pills.


ITEMSSTANDARDRESULTS
CharacteristicsWhite or almost white crystalline powderAlmost white crystalline powder
Melting point152~156155.0~155.5
Specific optical rotation-16° -19°-17.4°
IdentificationThe retention time of the major peak in the chromatogram of the assay 
preparation corresponds to that in the chromatogram of the standard 
preparation,   
as obtained in the assay
Conforms
UV absorption Max.   at 266 nmConforms
IR spectra is consistent with CRSConforms
PH4.5~6.55.2
Chlorides≤ 0.02%0.02%
Fluorides≥ 4.8%4.80%
Related substancesIndividual impurity ≤ 0.5%0.50%
Total impurities ≤ 2.0%0.90%
Residue on ignition≤ 0.1%0.07%
Water≤ 0.5%0.06%
Heavy metals≤ 20ppm




ITEMSSTANDARDRESULTS
CharacteristicsWhite or almost white crystalline powderAlmost white crystalline powder
Melting point152~156155.0~155.5
Specific optical rotation-16° -19°-17.4°
IdentificationThe retention time of the major peak in the chromatogram of the assay 
preparation corresponds to that in the chromatogram of the standard 
preparation,   
as obtained in the assay
Conforms
UV absorption Max.   at 266 nmConforms
IR spectra is consistent with CRSConforms
PH4.5~6.55.2
Chlorides≤ 0.02%0.02%
Fluorides≥ 4.8%4.80%
Related substancesIndividual impurity ≤ 0.5%0.50%
Total impurities ≤ 2.0%0.90%
Residue on ignition≤ 0.1%0.07%
Water≤ 0.5%0.06%
Heavy metals≤ 20ppm


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