Temozolomide CAS 85622-93-1 CAS NO.85622-93-1

escription

A White to off wihte cystalline powder

;odorless;tasted bitter

A White to off wihte cystalline powder;

odorless;

tasted bitter

Identification

A.IR 

Conform to reference Standard

 Conforms

B.Chemical Property

Dissolve 0.1g the sample with 10 ml 

water,add 5ml dinitro-phenyl-hydrazine,should have marron precipitate

Positive

C.HPLC

HPLC Rt of sample is the same as Working 

Standard

Conforms

Loss on Drying

≤1.0%

0.45%

Residual on ignition

≤0.10%

0.06%

Heavy metals

≤0.002%

Complies

Impurity By HPLC

Any impurity(Max)

Total impurities

≤0.1%

≤0.3%

≤0.04%

≤0.09%

Residual solvents

Ethyl acetate

Acetone

DMSO

≤0.5%

≤0.5%

≤0.5%

Complies

Complies

Complies

Assay(HPLC)

98.50~102.00%

99.35%