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6H-Benzofuro[3,2-c][1]benzopyran-6-one,3,9-dihydroxy- cas no:479-13-0

Synonyms: 3-Benzofurancarboxylicacid, 2-(2,4-dihydroxyphenyl)-6-hydroxy-, d-lactone (6CI); 2-(2,4-Dihydroxyphenyl)-6-hydroxy-3-benzofurancarboxylicacid d-lactone;3,9-Dihydroxy-6H-benzofuro[3,2-c][1]benzopyran-6-one; Coumesterol; Coumestrol;Cumoestrol; Cumostrol; NSC 22842

Identification
Name6H-Benzofuro[3,2-c][1]benzopyran-6-one,3,9-dihydroxy-
CAS479-13-0
Synonyms3-Benzofurancarboxylicacid, 2-(2,4-dihydroxyphenyl)-6-hydroxy-, d-lactone (6CI); 2-(2,4-Dihydroxyphenyl)-6-hydroxy-3-benzofurancarboxylicacid d-lactone;3,9-Dihydroxy-6H-benzofuro[3,2-c][1]benzopyran-6-one; Coumesterol; Coumestrol;Cumoestrol; Cumostrol; NSC 22842
EINECS(EC#)207-525-6
Molecular FormulaC15H8 O5
Molecular Weight268.22102
Chemical Properties
AppearanceOff-white powder
refractive index1.768
storage tempRefrigerator
Safety Data

Hazard Xn: Harmful;
Risk R22
Safety

An experimental teratogen. Other experimental reproductive effects. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes.
Safety Information of Cumoesterol (CAS NO.479-13-0):
Hazard Codes: Xn
Risk Statements: 22-36/37/38 
22:  Harmful if swallowed 
36:  Irritating to the eyes 
37:  Irritating to the respiratory system 
38:  Irritating to the skin 
Safety Statements: 26-37/39
26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
37:  Wear suitable gloves 
39:  Wear eye/face protection


Toxicity
1.    

dns-mus-scu 400 mg/kg

    CNREA8    Cancer Research. 48 (1988),14.
2.    

orl-mus TDLo:35 g/kg (female 14D pre):TER

    PSEBAA    Proceedings of the Society for Experimental Biology and Medicine. 167 (1981),237.

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