Customization: | Available |
---|---|
Powder: | Yes |
Customized: | Customized |
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General Information:
Type: Pharmaceutical Grade
Origin: China
CAS No.: 153-18-4
AUCO No.: 119
Packing: 25kg drum
Specification:
Items | Standard |
Appearance | Yellow or greenish-yellow, crystalling powder |
Identification | IR absorbance |
Solubility | Practically insoluble in water,soluble in methanol, sparingly soluble in ethanol(96%). Practically insoluble in methylene chloride. it dissolves in soluble of alkali hydroxides |
Residual solvents (Methanol) | ≤3000ppm |
Light absorbing impurities | ≤0.10, between 450 and 800nm |
Substance insoluble in methanol | ≤3.0% |
Related substances | |
A:Isoquercitroside | ≤2.0% |
B.Kaempferol 3-Rutinoside | ≤2.0% |
C.Quercetin | ≤2.0% |
Total impurity | ≤4.0% |
Sulphated Ash | ≤0.10% |
Water | 7.5%-9.5% |
Assay(On dry basis) | 95.0%-101.0% |
Heavy metals | ≤10ppm |
Arsenic | ≤1ppm |
Mercury | ≤0.1ppm |
Cadmium | ≤1ppm |
Lead | ≤3ppm |
Microbiological test: | |
Total aerobic microbial count | ≤1000cfu/g |
Total yeasts and moulds count | ≤100cfu/g |
E.Coli | Negative |
Salmonella | Negative |
Coliforms | ≤10cfu/g |
Residual Solvent | Meets the requirements of USP. |
Pesticide Screen | Meets the requirements of USP. |
GMO/BSE Status | Not genetically modified organism. Free of BSE. |
Storage | Store in tight containers,in a cool dry area. |
Sterilization | No Irradiation and ETO. |