Original
The company profile was verified by 
- Product Name: Ribavirin
- quality standards: Ch.p.2010
- formula: C 8 H 12 N 4 O 5
- characters: should be a white crystalline powder; odorless, tasteless Rotation: should be -35.0 ° - -37.0 °
- Identification:
-
- (1) should be a positive reaction
- (2) the main peak retention time of the test sample should be consistent with the reference substance peak
- (3) infrared spectra of the test sample should be consistent with the control map
- check:
-
- acidity: PH value should be 4.0-6.5
- Clarity and color of solution: to clarify the colorless
- related substances: a single impurity ≤ 0.25%; the total impurity ≤ 1.0%
- absorbance: not more than 0.02
- related substances: not more than the control solution of the main peak area of 1.0%
- Loss on drying: not over 0.5%
- Residue on ignition: not over 0.1%
- heavy metals: not over ten millionths
- Content: are calculated by drying with C 8 H 12 N 4 O 5 should be 98.5-101.5%
