Astilbin
Astilbin (CAS 29838-67-3) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-047278.
About Astilbin
Researchers and plant chemists source Astilbin from Zemixal for routine and specialised work. Identity at a glance: CAS 29838-67-3, formula C21H22O11 and molar mass 450.4 g/mol.
Where it is used
- Agrochemical formulations
- Laboratory analysis
Handling and storage
It carries the GHS signal word Warning (H400), so wear gloves and eye protection and work with good ventilation.
Order it in 100 mg, 250 mg, 1 g and 5 g packs or ask for a bulk quotation. Every shipment includes a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Agrochemical formulations
- Laboratory analysis
Applications
Specifications and identifiers
| Product name | Astilbin |
|---|---|
| Catalogue number | ZX-047278 |
| CAS number | 29838-67-3 |
| IUPAC name | (2R,3R)-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy-2,3-dihydrochromen-4-one |
| Molecular formula | C21H22O11 |
| Molar mass | 450.4 g/mol |
| Exact mass | 450.1162 |
| XLogP3 | 0.4 |
| H-bond donors / acceptors | 7 / 11 |
| Topological polar surface area | 186 Ų |
| InChIKey | ZROGCCBNZBKLEL-MPRHSVQHSA-N |
| SMILES | C[C@H]1[C@@H]([C@H]([C@H]([C@@H](O1)O[C@@H]2[C@H](OC3=CC(=CC(=C3C2=O)O)O)C4=CC(=C(C=C4)O)O)O)O)O |
| PubChem CID | 119258 |
| Synonyms | 3-0-alpha-1-rhamnosyl-(2R,3R)-dihydroquercetin, Taxifolin 3-O-rhamnoside, Astilbin from Engelhardtia roxburghiana, Dihydroquercetin 3-rhamnoside, Dihydroquercitrin, taxifolin-3-O-rhamnoside, dihydroquercetin-3-O-alpha-LRhap, taxifolin 3-alpha-L-rhamnopyranoside, 2R,3R-dihydroquercetin-3-O-alpha-L-rhamnoside, (2R,3R)-2-(3,4-dihydroxyphenyl)-5,7-dihy, Dihydroquercetin 3-O-.alpha.-L-rhamnopyranoside, (2R,3R)-3,3',4',5,7-pentahydroxyflavanone-3-alpha-L-rhamnopyranoside |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H400Very toxic to aquatic life
Precautionary statements P273, P391, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 100 mg | Quoted on request | |
| 250 mg | Quoted on request | |
| 1 g | Quoted on request | |
| 5 g | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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