8-hydroxy-1-methoxy-3-methylnaphtho[3,2-c]isochromene-5,7,12-trione

Modify Date: 2025-08-25 18:10:26

8-hydroxy-1-methoxy-3-methylnaphtho[3,2-c]isochromene-5,7,12-trione Structure
8-hydroxy-1-methoxy-3-methylnaphtho[3,2-c]isochromene-5,7,12-trione structure
 Common Name 8-hydroxy-1-methoxy-3-methylnaphtho[3,2-c]isochromene-5,7,12-trione
CAS Number 76191-51-0 Molecular Weight 336.29500
Density 1.53g/cm3 Boiling Point 623.3ºC at 760 mmHg
Molecular Formula C19H12O6 Melting Point N/A
MSDS N/A Flash Point 232.9ºC

 Names

Name 8-hydroxy-1-methoxy-3-methylnaphtho[3,2-c]isochromene-5,7,12-trione
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.53g/cm3
Boiling Point 623.3ºC at 760 mmHg
Molecular Formula C19H12O6
Molecular Weight 336.29500
Flash Point 232.9ºC
Exact Mass 336.06300
PSA 93.81000
LogP 2.59100
Index of Refraction 1.701
InChIKey LUXDHHSVJLVLPS-UHFFFAOYSA-N
SMILES COc1cc(C)cc2c(=O)oc3c(c12)C(=O)c1cccc(O)c1C3=O

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DI2265000
CHEMICAL NAME :
5H-Benzo(d)naphtho(2,3-b)pyran-5,7,12-trione, 8-hydroxy-1-methoxy-3-methyl-
CAS REGISTRY NUMBER :
76191-51-0
LAST UPDATED :
199612
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C19-H12-O6
MOLECULAR WEIGHT :
336.31

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JANTAJ Journal of Antibiotics. (Japan Antibiotics Research Assoc., 2-20-8 Kamiosaki, Shinagawa-ku, Tokyo, 141, Japan) V.2-5, 1948-52; V.21- 1968- Volume(issue)/page/year: 33,1107,1980
TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Bird - chicken
DOSE/DURATION :
>1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JANTAJ Journal of Antibiotics. (Japan Antibiotics Research Assoc., 2-20-8 Kamiosaki, Shinagawa-ku, Tokyo, 141, Japan) V.2-5, 1948-52; V.21- 1968- Volume(issue)/page/year: 33,1107,1980

 Synthetic Route

 Synonyms

Antibiotic WS5995A
WS-5995 A
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Chemsrc provides CAS#:76191-51-0 MSDS, density, melting point, boiling point, structure, etc. Its name is 8-hydroxy-1-methoxy-3-methylnaphtho[3,2-c]isochromene-5,7,12-trione>> amp version: 8-hydroxy-1-methoxy-3-methylnaphtho[3,2-c]isochromene-5,7,12-trione

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