cumambrin B

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guaia-3,11(13)-dien-12-oic acid, 6-a,8,10-trihydroxy-, 12,6-lactone

CAS: 21982-83-2 C15 H20 O4 MW: 264.32120000
All Ingredients Aromatic Ingredients CAS Numbers Found in Nature

Identification

Namecumambrin B
IUPAC(3aR,4S,6R,6aR,9aR,9bR)-4,6-dihydroxy-6,9-dimethyl-3-methylidene-4,5,6a,7,9a,9b-hexahydro-3aH-azuleno[4,5-b]furan-2-one
CAS Number21982-83-2
FDA UNIISearch
Molecular FormulaC15 H20 O4
Molecular Weight264.32120000
Nikkaji NumberJ15.757K
Beilstein1287993

Regulatory

Physical Properties

Assay 95.00 to 100.00
Food Chemicals Codex Listed No
Boiling Point 468.89 °C. @ 760.00 mm Hg (est)
Flash Point 351.00 °F. TCC ( 177.00 °C. ) (est)
logP (o/w) -0.641 (est)
Soluble in water, 5995 mg/L @ 25 °C (est)

No sensory data available

Safety Information

Oral/Parenteral ToxicityNot determined
Dermal ToxicityNot determined
Inhalation ToxicityNot determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Categorynatural substances and extractives
Recommendation for cumambrin B usage levels up tonot for fragrance use.
Recommendation for cumambrin B flavor usage levels up tonot for flavor use.

No supplier data available

Potential Uses

None Found

Natural Occurrence

bay laurel leaf

Synonyms

artenovin azuleno(4,5-b)furan-2(3H)-one, 3a,4,5,6,6a,7,9a,9b-octahydro-4,6-dihydroxy-6,9-dimethyl-3-methylene-, (3aR-(3aa,4a,6a,6aa,9aa,9bb))- 4,6- dihydroxy-6,9-dimethyl-3-methylidene-3a,4,5,6,6a,7,9a,9b-octahydroazuleno[4,5-b]furan-2(3H)-one (3aR,4S,6R,6aR,9aR,9bR)-4,6- dihydroxy-6,9-dimethyl-3-methylidene-4,5,6a,7,9a,9b-hexahydro-3aH-azuleno[4,5-b]furan-2-one guaia-3,11(13)-dien-12-oic acid, 6-a,8,10-trihydroxy-, 12,6-lactone 3a,4,5,6,6a,7,9a,9b- octahydro-4,6-dihydroxy-6,9-dimethyl-3-methyleneazuleno(4,5-b)furan-2(3H)-one (3aR-(3aa,4a,6a,6aa,9aa,9bb))- PubMed: Lycopsamine and cumambrin B from Eupatorium maculatum. PubMed: Further sesquiterpene lactones from Anthemis carpatica. PubMed: Structural analogues of cumambrin B from the flower of Chrysanthemum boreale.