(+)-Usnic acid
Article No.: 89818
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Chemical-physical Data
CAS Number
7562-61-0
Molecular Formula
C18H16O7
Molecular Weight (g/mol)
344.32
Substance Class
Subclass 1
Specifications and Notes
Certification Scope
(+)-Usnic acid reference substance is a primary reference standard with certified absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities).
Certificate of Analysis
Storage Conditions
15-25 °C
Delivery Time
usually a stock item
Safety and Transport
GHS Symbols
Hazard Statements
H302,H317
Precautionary Statements
P261a, P264d, P280h, P301+P312a, P313+P333, P501a
Dangerous Goods
no
Safety Data Sheet
Transport Conditions
ambient conditions
Customs Tariff Code
29329900
Commodity Description
oxygen-heterocyclic compound
Occurrence
Occurrence (botanical genus)
Cetraria sp., Cladonia sp., Usnea sp.