Brexanolone; CAS No.: 516-54-1

Appearance

White to slight-yellow crystalline powder

Identification

IR: the infrared absorption spectrum of the sample complies with the reference standard.

HPLC: the retention time of the major peak of the sample solution corresponds to that of the standard solution, as obtained in the assay.

Specific Rotation

+90.0°~+110.0°

Melting Point

168.0℃~178.0℃

Loss on Drying

≤ 1.0%

Residue on Ignition

≤ 0.1%

Related Substances

Single maximum unspecified impurity ≤ 0.5%

Total impurities ≤ 1.0%

Heavy Metals

≤ 20ppm

Residual Solvents

Methanol ≤ 0.3%

Ethanol ≤ 0.5%

Dichloromethane ≤ 0.06%

Ethyl acetate ≤ 0.5%

Assay

99.0%~101.0%