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Tetrahydropalmatine (THP, Rotundine) is a natural isoquinoline alkaloid extracted from dried tubers of Corydalis yanhusuo. It delivers mild analgesia, sedation and sleep-supporting effects without addiction risks, widely applied in pharmaceutical APIs, sleep-soothing formulations and pharmaceutical research.
| Items | Specification | Result |
|---|---|---|
| Assay | 98% | 98.03% |
| Organoleptic | ||
| Appearance | Fine Powder | Conforms |
| Color | Off white powder | Conforms |
| Odor | Characteristic | Conforms |
| Taste | Characteristic | Conforms |
| Physical Characteristics | ||
| Particle Size | NLT 100% Through 80 mesh | Conforms |
| Loss on Drying | <=12.0% | Conforms |
| Ash (Sulphated Ash) | <=0.5% | Conforms |
| Total Heavy Metals | ≤10ppm | Conforms |
| Microbiological Tests | ||
| Total Plate Count | ≤10000cfu/g | Conforms |
| Total Yeast & Mold | ≤1000cfu/g | Conforms |
| E.Coli | Negative | Negative |
| Salmonella | Negative | Negative |
| Staphylococcus | Negative | Negative |
| Weight | Packing method |
|---|---|
| 1kg | bag/kg, box outside (double plastic bag + Aluminum foil bag inside) |
| 10kgs, 25kg or more | by Drums or carton (2 layers plastic bag inside) |
| Weight | Delivery method | Delivery time | Destination |
|---|---|---|---|
| 1kg-25kgs | EMS, DHL, UPS, Fedex | 3-7 days | Door to door |
| 25kgs-100kgs | DHL, FedEx, by Air | 3-7 days | Door to door (to Airport by Air) |
| more than 100kgs | by Air | 3-7 days | Door to Airport |
| by Sea | 10-35 days | Door to port |
A1: Tetrahydropalmatine (THP), also known as Rotundine, is a natural isoquinoline alkaloid extracted from the dried tubers of Corydalis yanhusuo. It is widely used for sleep support and mild pain relief.
A2: No, Tetrahydropalmatine provides mild sedative and analgesic effects without the addiction risks associated with chemical sedatives, making it a safer option for sleep-support formulations.
A3: It is primarily used as an API in pharmaceutical research, mild analgesic and sedative tablets, and dietary supplements formulated for sleep and period discomfort relief.
A4: Our Tetrahydropalmatine is tested to ensure high quality, with a standard assay specification of 98%. Our typical production batches conform to 98.03% purity.
A5: For bulk orders of 10kg, 25kg, or more, the product is packaged in double-layer plastic bags inside drums or cartons to maintain stability and prevent contamination during transport.
A6: We offer flexible delivery options including courier services (DHL, FedEx, UPS, EMS) for quantities under 25kg, as well as air and sea freight for larger orders over 100kg.
