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Assay	98.5%--102%
Water	≤ 0.5%
Heavy metal	≤ 20ppm
Residue on ignition	≤ 0.05%
Related substances
Total impurity	≤ 1.5%
Nor-nocergoline (B)	≤ 0.50%
Chioronicergoline (A)	≤ 0.5%
MeLUOL (C)	≤ 0.30%
Unidentified impurity	≤ 0.30%

Molecular Formula: C21H28O2
Molecular Weight: 312.45
UN Number: UN 3077 9 / PGIII

Description:
Dydrogesterone is an orally active progestogen which acts directly on the uterus, producing a complete secretory endometrium in an estrogen-primed uterus.

• Molecular Weight:312.45
• Melting Point:168-169
• Purity:>98%

Molecular Formula:
C21H28O2
Canonical SMILES:
CC(=O)C1CCC2C1(CCC3C2C=CC4=CC(=O)CCC34C)C
InChI:
InChI=1S/C21H28O2/c1-13(22)17-6-7-18-16-5-4-14-12-15(23)8-10-20(14,2)19(16)9-11-21(17,18)3/h4-5,12,16-19H,6-11H2,1-3H3/t16-,17+,18-,19+,20+,21+/m0/s1
InChIKey:
JGMOKGBVKVMRFX-HQZYFCCVSA-N
Solubility:
Soluble in acetone, chloroform (1 in 2), ethanol (1 in 40) and diethyl ether (1 in 200); slightly soluble in fixed oils; sparingly soluble in methanol.
Appearance:
Crystals from acetone + hexane
Application:
Progestational hormones, Synthetic
Synonyms:
NSC 92336; NSC92336; NSC-92336