Cefdinir

Details

Product name	Cefdinir
Shelf life	2 years
Test items	Enterprise specification	Test results	Conclusion
Character	Slight yellow to yellow crystalline powder, with slight smelly	Slight yellow crystalline powder, with slight smelly	Conform
Identification	1. In the chromatogram of the assay, the retention time of the principal peak in the chromatogram obtained with the test solution should correspond to that of the principal peak in the chromatogram obtained with reference solution. 2. The IR absorption spectrum of the substance to be examined should correspond to that of the reference spectrum(No.l 122).	1. In the chromatogram of the assay, the retention time of the principal peak in the chromatogram obtained with the test solution corresponds to that of the principal peak in the chromatogram obtained with reference solution. 2. The IR absorption spectrum of the substance to be examined corresponds to that of the reference spectrum(No.l 122).	Conform
Specific rotation	-58一-66°	-62°	Conform
Absorption coefficient	571一-610°	583	Conform
Crystallinity	It gives phenomenon of birefringence and extinction direction.	It gives phenomenon of birefringence and extinction direction.	Conform
pH	2.5 〜4.5	3.4	Conform
Water	No more than 2.0%	1.1%	Conform
Conclusion:	The test results of substance examined conform to the Specification of Cefdinir