Complaint
| Identification | |
| Name | Theaflavin,CAS 4670-05-7 |
| Structure | |
| Other names | 4670-05-7; 3,4,5-trihydroxy-1,8-bis[(2R,3R)-3,5,7-trihydroxy-3,4-dihydro-2H-chromen-2-yl]benzo[7]annulen-6-one; 3,4,6-Trihydroxy-1,8-bis((2R,3R)-3,5,7-trihydroxychroman-2-yl)-5H-benzo[7]annulen-5-one; (-)-Theaflavin; Spectrum_000527; SpecPlus_000296; Spectrum2_001765; Spectrum3_000698; Spectrum4_001488; Spectrum5_000195; SCHEMBL19551; BSPBio_002455; KBioGR_002095 |
| Key words | VIPMYMEWFZKHGAX-ZKSIBHASSA-N; API |
| CAS number | 4670-05-7 |
| Molecular Formula | C29H24O12 |
| Molecular Weight | 564.49g/mol |
| Chemical and Physical Properties | |
| Appearance | Yellow-orange powder |
| Melting point | 237-240°C |
| Solubility | Soluble in water, methanol, ethanol, acetone, n-butanol and ethyl acetate |
| Quality standard | 20%,40%, 60%, 80%HPLC |
| Application | |
| Drug Indication/Application/Use | Theaflavin is an important quality component and functional ingredient in black tea, with a variety of biological activities and pharmacological effects such as lowering blood lipids, lowering blood pressure, antioxidant, anti-radiation, anti-bacterial, anti-cancer, etc. It is known as "the soft gold of tea", theaflavin content in black tea is only 0.5%-2.0%. |
| Formulations/Preparations | Powder;Capsules; Tablets |
| Handling and Storage | |
| Safety and Hazards | The shanghai Research Institute of Chemical industry testing center identification conclusion :1 None hazard identification, 2 The substance is not subject to IATA DGR, 3 Non packing requirements. |
| Handling and Storage | Sealed in dry,Store in freezer, under -20°C |
| Sample package | Double plastic bags inside, aluminum foil bag outside |
| Commercial package | Double plastic bags inside,5kg, 10kg, 25kg fiber drum outside. |
| UN Code | Not classified |
| HS Code | 3203001990 |
| Shipping group | Shipment at ambient temperature for no controlled and no dangerous goods |
| Sales restriction | No |
| Origin | China |
| Technnical support | |
| Theaflavin,STD Data sheet Theaflavin,MSDS Theaflavin,COA Theaflavin,Transport Certificate | Yes Yes Yes Yes |
| Related APIs | Silymarin; Dihydrorobinetin; Silibinin; (2R,3R)-2-[(2R,3S)-2-(3,4-dihydroxyphenyl)-7-hydroxy-3-(hydroxymethyl)-2,3-dihydro-1-benzofuran-5-yl]-3,5,7-trihydroxy-2,3-dihydrochromen-4-one; (2S,3R)-2-(3,4-dihydroxyphenyl)-3,7-dihydroxy-2,3-dihydrochromen-4-one; Sigmoidin A; Isoorientin |
| Supply ability | |
| Monthly capacity | / |
| IAF/CNAS/ISO | Yes |
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