CAS:153851-71-9

Molecular formula: C5H8ClN3S

Molecular weight: 177.66

English name: 6,7-Dihydro-6-mercapto-5H-pyrazolo[1,2-a] [1,2,4] triazolium chloride

English abbreviation: MPT

Physicochemical properties: white to kind of white crystal powder; No odor, and bitter; the color becomes deep gradually in light. Melting point 127 ~ 128 degree, lead wet extremely easily. Soluble in water easily, soluble in methanol, ethanol, acetone, hardly soluble in isopropyl alcohol, insoluble in chloroform, ethyl acetate, isopropyl ether, etc.

Application: Used for the synthesis of Carbapenem antibiotics “Biapenem side chain” bulk drug.