Structural formula:
Molecular formula:C14H9N4NaO5·3.5H2O
Molecular weight:399.29
Property:It is orange to dark orange crystal powder with 3.5 crystal water,soluble in alkaline solution, easily soluble in propylene glycol, hard to be soluble in methanol and ethanol, very hard to be soluble in water or glacial acetic acid, almost insoluble in acetone,tetrahydrofuran or ether.
Specification:Enterprise standard & USP32
Appearance:Yellowish-orange to orange crystalline powder .No visible evidence of contamination by foreign matter.
Heavy metals:Not more than 20ppm
Water:14.5~17.0%
Impurity A : ≤ 0.15%
Impurity B : ≤ 0.40%
Impurity C : ≤ 0.15%
Chloride : Not more than 0.02%
Sodium:5.5-6.0%
Assay:98.0%~102.0% of C14H9N4NaO5 on the dried basis
Single biggest unknown impurities:≤0.10%
Total impurities:≤0.60%
Use:It is muscle relaxant used in the treatment of cerebral palsy,surgical trauma sequela,cervical spondylosis,myelitis,and multiple sclerosis etc.
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