Pemetrexed Disodium CAS 150399-23-8 suppliers

Pemetrexed Disodium
Pemetrexed Disodium CAS 150399-23-8
Molecular Structure
Molecular Formula: C20H19N5Na2O6
Molecular Weight: 471.37
CAS Registry Number: 150399-23-8
Character: white or white crystalline powder; odorless,tasteless, easily absorb water; Solubility: freely soluble In Water,practically insoluble In chloroform, slightly soluable in Methanol; Specific Rotation:+10°~16°;Identification: (1)flame reaction with sodium salt;(2)The reaction time in the chromatogram of the assay preparation coorresponds to that in the chromatogram of the standard preparation, as obtained in the assay;(3)IR: should conform to the standard;PH: 6.5-8.0;Clear and color of solution:should conform to standard;Related substances:Individual impurity: ≤0.5%;tatal impurity: ≤1.0%; Ethanol, Methylene Chloride, ethyl acetate, N,N-dimethylformamide dimethyl acetal: Ethanol ≤ 0.5%, Methylene Chloride≤0.06%, ethyl acetate≤ 0.5%,N,N-dimethylformamide dimethyl acetal≤ 0.088%;Water: 7.2%-10.2%;Assay:not less than 98.5%(on andydrous basid).



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