(5) CAS number: 548-04-9; molecular formula: C30H16O8; molecular weight: 504.43 Why us?
● Made in China, using own planted raw material to make premium products
● Fast lead times
● 9 – step quality control process
● Highly experienced operations and quality assurance staff
● Stringent in-house testing standards
● Warehouse both in USA and China, fast response
Typical COA: SpecificationHPLC0.3% (USP/EP)
| Analysis | Specification | Method |
| Assay（Hypericins） | ≥0.3% | HPLC-USP |
| Hypericins | ≥0.5% | UV |
| Appearance | Yellow to brown Powder | Visual |
| Identification | Correspond to standard | TLC || USP<201> |
| Odor | Characteristic | Organoleptic |
| Taste | Characteristic | Organoleptic |
| Sieve Size | 90% pass 80 mesh | Analytical sieving || USP <786> |
| Loss on drying | NMT 5.00% | USP <731> |
| Total Ash | NMT15.00% | USP <561> |
| Bulk Density | Between 30-65g/100ml | USP <616> Method I |
| Solvent Residues | Ethanol≤2000ppm | USP <467> |
| Heavy Metals: | ||
| Total | ≤10ppm | USP <231> Method II |
| Lead (Pb) | ≤2ppm | ICP-MS |
| Cadmium(Cd) | ≤1ppm | ICP-MS |
| Mercury(Hg) | ≤0.5ppm | ICP-MS |
| Arsenic (As) | ≤1ppm | ICP-MS |
Packing and Storage
Packing: 25kgs/drum. Packing in paper-drums and two plastic-bags inside. Storage:Store in a well-closed container away from moisture, sun light, or heat. Shelf Life:2 years.
Typical COA: Specification UV0.3%
| Analysis | Specification | Method |
| Assay（Hypericins） | ≥0.30% | UV |
| Appearance | Dark brown to black Powder | Visual |
| Odor | Characteristic | Organoleptic |
| Taste | Characteristic | Organoleptic |
| Sieve Size | 90% pass 80 mesh | Complies |
| Loss on drying | ≤5.0% | CP2015 |
| Total ashes | ≤15.0% | CP2015 |
| Heavy Metals: | ||
| Total | ≤20ppm | CP2015 |
| Microbiological Control | ||
| Total Plate Count | NMT1000cfu/g | CP2015 |
| Yeast & Mold | NMT100cfu/g | CP2015 |
| E.Coli | Negative | CP2015 |