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Natural Products, Vitamins & Phytochemicals

Usnic acid, 95%

SynthesisAvailable on request

Usnic acid, 95% (CAS 7562-61-0) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Purity 95%. Packs from 1 g.

Pack sizes
Usnic acid, 95% chemical structure
CAS number7562-61-0
FormulaC18H16O7
Molar mass344.3 g/mol
Physical formPowder
HS code29142990
Purity95%
InChIKeyWEYVVCKOOFYHRW-SFHVURJKSA-N
IUPAC name(9bR)-2,6-diacetyl-3,7,9-trihydroxy-8,9b-dimethyldibenzofuran-1-one

About Usnic acid, 95%

Researchers and plant chemists source Usnic acid, 95% from Zemixal for routine and specialised work. Identity at a glance (Synthesis): CAS 7562-61-0, formula C18H16O7 and molar mass 344.3 g/mol. Expect yellow to yellow-green or gold powder.

Use cases we see most often

  • Phytochemical research
  • Natural product screening
  • Nutraceutical R&D

Handling and storage

Reported physical data: melting point 201-203 °C and density ~1.5 g/cm3 (Predicted). Hazard communication follows GHS (Warning: H302). Our SDS lists exposure controls and first-aid measures.

Order it in 1 g, 5 g, 25 g, 100 g and 1 kg packs or ask for a bulk quotation. You receive a batch certificate of analysis and a 16-section SDS with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Typical uses

  • Phytochemical research
  • Natural product screening
  • Nutraceutical R&D

Applications

Specifications and identifiers

Specifications of Usnic acid, 95%
Product nameUsnic acid, 95%
Catalogue numberZX-003898
CAS number7562-61-0
IUPAC name(9bR)-2,6-diacetyl-3,7,9-trihydroxy-8,9b-dimethyldibenzofuran-1-one
Molecular formulaC18H16O7
Molar mass344.3 g/mol
Exact mass344.0896
GradeSynthesis
Purity / assay95%
Physical formPowder
AppearanceYellow to yellow-green or gold powder
Melting point201-203 °C
Density~1.5 g/cm3 (Predicted)
XLogP32.1
H-bond donors / acceptors3 / 7
Topological polar surface area121 Ų
HS code29142990
InChIKeyWEYVVCKOOFYHRW-SFHVURJKSA-N
SMILESCC1=C(C(=C2C(=C1O)[C@@]3(C(=CC(=C(C3=O)C(=O)C)O)O2)C)C(=O)C)O
PubChem CID478125
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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

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

Pack sizes of Usnic acid, 95%
1 gQuoted on request
5 gQuoted on request
25 gQuoted on request
100 gQuoted on request
1 kgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Usnic acid, 95%

Which CAS number identifies Usnic acid, 95%?
Usnic acid, 95% is registered under CAS 7562-61-0. You may also see it listed as (+)-Usnic acid from Usnea dasypoga, 2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyldibenzofuran-1,3(2H,9bH)-dione, (+)-Usnic acid. Our catalogue number for this item is ZX-003898.
What are the formula and molar mass of Usnic acid, 95%?
For Usnic acid, 95%, its formula is C18H16O7 and its molar mass is 344.3 g/mol. The systematic (IUPAC) name is (9bR)-2,6-diacetyl-3,7,9-trihydroxy-8,9b-dimethyldibenzofuran-1-one. InChIKey WEYVVCKOOFYHRW-SFHVURJKSA-N lets you match it in any structure database.
What grade and pack sizes are available for Usnic acid, 95%?
This listing is Synthesis grade with 95% purity. Standard packs are 1 g, 5 g, 25 g, 100 g, 1 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Usnic acid, 95%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Usnic acid, 95% to my country?
Yes. Because Usnic acid, 95% is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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