Product name: PROPYLTHIOURACIL

Expiry date: 2 Years

TESTS

SPECIFICATIONS

Characters

White or almost white crystals or crystalline powder

Identification

Infrared Absorption<197K>

Melting  point

218-221℃

Loss  on  drying

≤0.5%

Residue on ignition

≤0.1%

Selenium

≤30ppm

Heavy  metals

≤20ppm

Ordinary impurities

Conformed

Organic volatile impurities

Conformed

Assay

98.0-100.5%

CONCLUSION: According with the USP41.