Name of Product

非布索坦 

CAS 

144060-53-7

Batch No.

20191212

Mfg. Date

20191212

Exp. Date

20211211

Test Items

Standard

Character

Off-white to White  Crystalline powder, odorless

Solubility

Soluble in N,N-Dimethylformamide and Dimethyl sulfoxide, slightly soluble in Ethanol and Trichloromethane, Almost insoluble in  water

Melting Point

207℃~211℃

Identification

(1)HPLC

(2) UV: Max absorption at 215nm and 315nm wavelength. Min absorption at 265nm wavelength

(3) IR

Related Substances

Impurity I≤0.10%

Impurity II≤0.10%

Impurity III≤0.10%

Impurity IV≤0.10%

Unknown single impurity≤0.1%

Total Impurity≤0.5%

Water

≤2.0%

Residue on ignition

≤0.1%

Heavy metals

≤20ppm

Residue Solvents

Ethanol≤5000ppm

Tetrahydrofuran≤720ppm

N,N-Dimethylformamide≤880ppm

Assay

98.0%~102.0%（on anhydrate basis）

Conclusion

Conforms to the above standards