Usnic acid, 95%

Name: Usnic acid, 95%
Brand: Vaqora Chemicals
SKU: VQ-003898

About Usnic acid, 95%

Usnic acid (CAS 7562-61-0) is a natural product offered by Vaqora Chemicals in Synthesis grade, specified at 95% purity. Formula C18H16O7, molecular weight 344.3 g/mol. Systematically, it is named (9bR)-2,6-diacetyl-3,7,9-trihydroxy-8,9b-dimethyldibenzofuran-1-one. It is also known as (+)-Usnic acid from Usnea dasypoga or (+)-Usnic acid.

It is supplied as a yellow to yellow-green or gold powder. Literature values give a melting point of 201-203 °C and a density of ~1.5 g/cm3 (Predicted). Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

It is commonly used for phytochemical research, natural product screening and nutraceutical R and D. Buyers come mainly from academic and industrial research and diagnostics and biotechnology.

Available in 1 g, 5 g, 25 g and 100 g packs, Usnic acid is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Phytochemical research
Natural product screening
Nutraceutical R&D

Industries

Specifications & identifiers

Chemical identifiers
Product name	Usnic acid, 95%
Catalogue No.	VQ-003898
CAS Number	7562-61-0
IUPAC name	(9bR)-2,6-diacetyl-3,7,9-trihydroxy-8,9b-dimethyldibenzofuran-1-one
Molecular formula	C₁₈H₁₆O₇
Molecular weight	344.3 g/mol
Exact mass	344.0896
Grade	Synthesis
Purity / assay	95%
HSN code	29142990
InChIKey	WEYVVCKOOFYHRW-SFHVURJKSA-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	478125

Physical properties
Physical form	Powder
Appearance	Yellow to yellow-green or gold powder
Melting point	201-203 °C
Density	~1.5 g/cm3 (Predicted)
LogP (XLogP3)	2.1
H-bond donors / acceptors	3 / 7
TPSA	121 Å²
Synonyms	(+)-Usnic acid from Usnea dasypoga, 2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyldibenzofuran-1,3(2H,9bH)-dione, (+)-Usnic acid, (R)-Usnic acid, Usnic acid, D-, Usnic acid, (R)-, (R)-(+)-Usnic acid, (+)-Usninic acid, 1,3(2H,9bH)-dibenzofurandione, 2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-, (9bR)-, 3(9bH)-dibenzofuranone, 2,6-diacetyl-8,9b-dimethyl-1,7,9-trihydroxy-, D-, (9bR)-2,6-diacetyl-3,7,9-trihydroxy-8,9b-dimethyldibenzo[b,d]furan-1(9bH)-one, (9bR)-2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-(2H,9bH)-dibenzofuran-1,3-dione

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Usnic acid, 95%?

The CAS Registry Number of Usnic acid, 95% is 7562-61-0. It is also known as (+)-Usnic acid from Usnea dasypoga, 2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyldibenzofuran-1,3(2H,9bH)-dione, (+)-Usnic acid.

What is the molecular formula and molecular weight of Usnic acid, 95%?

Usnic acid, 95% has the molecular formula C18H16O7 and a molecular weight of 344.3 g/mol. Its IUPAC name is (9bR)-2,6-diacetyl-3,7,9-trihydroxy-8,9b-dimethyldibenzofuran-1-one.

Which grade and pack sizes of Usnic acid, 95% can I order?

We supply Usnic acid, 95% in Synthesis (95%) grade, in 1 g, 5 g, 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Usnic acid, 95%?

Yes. Every lot of Usnic acid, 95% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Usnic acid, 95% be shipped internationally?

Yes. Usnic acid, 95% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.