| Customization: | Available |
|---|---|
| Powder: | Yes |
| Customized: | Customized |
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
General Information:
Type: Premium Pharmaceutical Grade
Origin: Proudly sourced from China
CAS No.: 153-18-4
AUCO No.: 119
Packing: Secure 25kg drum
Specification:
| Items | Standard |
| Appearance | Yellow or greenish-yellow, crystalling powder |
| Identification | IR absorbance |
| Solubility | Practically insoluble in water,soluble in met hanol, sparingly soluble in ethanol(96%). Practically insoluble in methy lene chloride. it dissolves in soluble of alkali hydroxides |
| Residual solvents (Met hanol) | ≤3000ppm |
| Light absorbing impurities | ≤0.10, between 450 and 800nm |
| Substance insoluble in met hanol | ≤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 |
| *** | ≤1ppm |
| *** | ≤0.1ppm |
| Cad mium | ≤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. |
){kind=link}