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HOME -> PRODUCTS -> PHARMACEUTICALS -> D-Cycloserine USP
 

 

SPECIFICATIONS

 

D-CYCLOSERINE USP 

Date:  November, 2011

 

ITEM

SPECIFICATION

Description

White to pale

yellowish crystalline powder

Identification

A blue color gradually develops

pH

5.5 – 6.5

Loss on Drying

Not more than 1.0%

Specific Optical Rotation

+108.0°C - +114.0°C

Crystallinity

Meets the requirements

Residue on Ignition

Not more than 0.5%

Assay (UV)

Not less than 900 mg/mg

Condensation products at 285 nm

Not more than 0.80

Residual Solvent

 

Ethanol

Not more than 5,000 ppm

Methanol

Not more than 3,000 ppm

 

Storage condition:  Protect from moisture, light, and store at a temperature not exceeding 10°C.

 

 

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