Cov khoom

Txuj

Kev piav qhia

Dawb rau cream, crystalline hmoov

Solubility

Xyaum insoluble hauv dej, me ntsis soluble hauv benzene thiab diethyl ether, sparingly soluble ethanol, soluble hauv acetone thiab dimethyl sulfoxide, hauv chloroform, hauv methanol thiab dioxane

Kev txheeb xyuas (IR)

Ua raws li tus qauv

Kev sib hloov tshwj xeeb

+98degree -+104degree

Melting point

cav 196degree

Poob rau ziab

Max 2.0%

Residue ntawm ignition

max . 0.1%

Hnyav Hlau

max 20 ppm

Yam khoom muaj feem

(HPLC)

-Ib qho impurity:N.m.t 1.0%

Muaj impurity:N.m.t 2.5%

THF

Tsis ntau tshaj 720ppm

Methanol

Tsis ntau tshaj 3000ppm

DMF

Tsis ntau tshaj 880ppm

Pyridine

Tsis ntau tshaj 200ppm

Dichloromethane

Tsis ntau tshaj 600ppm

Ethanol

Tsis ntau tshaj 5000ppm

Acetone

Tsis ntau tshaj 5000ppm

Assay (HPLC, lub hauv paus ntawm kev ziab)

97.0%-102.0%