(-)-Usnic acid
Order (-)-Usnic acid (CAS 6159-66-6) online at Zemixal: C18H16O7, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-046490.
About (-)-Usnic acid
Researchers and plant chemists source (-)-Usnic acid from Zemixal for routine and specialised work. For your records, the material is defined by CAS 6159-66-6, formula C18H16O7 and molar mass 344.3 g/mol.
Use cases we see most often
- Organic synthesis
- Condensation & reductive amination
- API intermediates
Handling and storage
It carries the GHS signal word Warning (H302), so wear gloves and eye protection and work with good ventilation.
Available as 100 mg, 250 mg, 1 g and 5 g. Larger or split packs can be arranged. Each lot travels with a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.
Typical uses
- Organic synthesis
- Condensation & reductive amination
- API intermediates
Applications
Specifications and identifiers
| Product name | (-)-Usnic acid |
|---|---|
| Catalogue number | ZX-046490 |
| CAS number | 6159-66-6 |
| IUPAC name | (9bS)-2,6-diacetyl-3,7,9-trihydroxy-8,9b-dimethyldibenzofuran-1-one |
| Molecular formula | C18H16O7 |
| Molar mass | 344.3 g/mol |
| Exact mass | 344.0896 |
| XLogP3 | 2.1 |
| H-bond donors / acceptors | 3 / 7 |
| Topological polar surface area | 121 Ų |
| InChIKey | WEYVVCKOOFYHRW-GOSISDBHSA-N |
| SMILES | CC1=C(C(=C2C(=C1O)[C@]3(C(=CC(=C(C3=O)C(=O)C)O)O2)C)C(=O)C)O |
| PubChem CID | 442614 |
| Synonyms | (S)-Usnic acid, (9bS)-2,6-diacetyl-3,7,9-trihydroxy-8,9b-dimethyldibenzo[b,d]furan-1(9bH)-one, (9bS)-2,6-diacetyl-3,7,9-trihydroxy-8,9b-dimethyldibenzo(b,d)furan-1(9bH)-one, (+)-Usniacin, (9bR)-2,6-diacetyl-1,7,9-trihydroxy-8,9b-dimethyldibenzo[b,d]furan-3(9bH)-one, usniacin-(+), (+)-Usnic acid from Usnea dasypoga, (9aR)-4,8-diacetyl-1,3,9-trihydroxy-2,9a-dimethyl-7-oxo-9a-hydrobenzo[2,1-d]be nzo[b]furan, 3(9bH)-dibenzofuranone, 2,6-diacetyl-1,7,9-trihydroxy-8,9b-dimethyl-, (9bR)-, 2,6-diacetyl-3,7,9-trihydroxy-8,9b-dimethyldibenzo[b,d]furan-1(9bH)-one, (9bS)-2,6-diacetyl-3,7,9-trihydroxy-8,9b-dimethyl-dibenzofuran-1-one, 2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyldibenzofuran-1,3(2H,9bH)-dione |
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
- H302Harmful if swallowed
Precautionary statements P264, P270, P301 + P317, P330, 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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