Product
Specifications:
Appearance:- White crystals or crystalline powder Freely soluble
in N.N-dimethylformamide . sparingly soluble in water, and practically
insoluble in acetonitrile ,in methanol and in ethanol(95)
Optical rotation:- +170° ~ +185°
Water:- NLT 9.5% and MLT1 13.0%
Clarity and color of solution :- Should be clear and colorless
pH :-
Should be 4.2-5.2
Related substances :- NMT 5%
Heavy metals :- NMT 10ppm
Arsenic:- NMT 1ppm
Assay:- Not less than 950|?g(potency)/mg, calculated on the
anhydrous basis. Potency: (C21H27N5O7S:493.53)
Conclusion: Conform with JP14
Identification:- HPLC, IR