Visnagin

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Names

[ CAS No. ]:
82-57-5

[ Name ]:
Visnagin

[Synonym ]:
Visnagidin
Visnagin
5-methoxy-2-methylfuranobenzopyran-4-one
EINECS 201-430-3
Visnacorin
Desmethoxykhellin
MFCD00005008
5H-Furo[3,2-g][1]benzopyran-5-one, 4-methoxy-7-methyl-
Visnagine
5-Methoxy-2-methylfuranochromone
4-Methoxy-7-methyl-5H-furo[3,2-g][1]benzopyran-5-one
4-Methoxy-7-methyl-5H-furo[3,2-g]chromen-5-one

Chemical & Physical Properties

[ Density]:
1.3±0.1 g/cm3

[ Boiling Point ]:
378.2±42.0 °C at 760 mmHg

[ Melting Point ]:
139-142 °C

[ Molecular Formula ]:
C13H10O4

[ Molecular Weight ]:
230.216

[ Flash Point ]:
182.5±27.9 °C

[ Exact Mass ]:
230.057907

[ PSA ]:
52.58000

[ LogP ]:
2.26

[ Vapour Pressure ]:
0.0±0.9 mmHg at 25°C

[ Index of Refraction ]:
1.613

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
LV1420000
CHEMICAL NAME :
5H-Furo(3,2-g)(1)benzopyran-5-one, 4-methoxy-7-methyl-
CAS REGISTRY NUMBER :
82-57-5
BEILSTEIN REFERENCE NO. :
0234955
LAST UPDATED :
199612
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C13-H10-O4
MOLECULAR WEIGHT :
230.23

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
832 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JDGRAX Journal of Drug Research. (National Organization for Drug Research and Control, POB 29, Cairo, Egypt) V.2- 1969- Volume(issue)/page/year: 7(2),1,1975
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intramuscular
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
123 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JDGRAX Journal of Drug Research. (National Organization for Drug Research and Control, POB 29, Cairo, Egypt) V.2- 1969- Volume(issue)/page/year: 7(2),1,1975

Safety Information

[ Hazard Codes ]:
Xn: Harmful;

[ Risk Phrases ]:
R22

[ Safety Phrases ]:
S3

[ RTECS ]:
LV1420000

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 4-methoxy-7-methyl-9-(methylthio)-5H-furo[3,2-g]chromen-5-one
  • 6-ethoxy-4-methoxy-7-(methylthio)-5-vinylbenzofuran
  • 6-ethoxy-7-(methylthio)-5-vinylbenzofuran-4-yl acetate
  • 7-chloromethyl-4-methoxy-furo[3,2-g]chromen-5-one
  • 7-(Hydroxymethyl)-4-methoxy-5H-furo[3,2-g][1]benzopyran-5-one
  • 4-methoxy-7-(toluene-4-sulfonyloximethyl)-furo[3,2-g]chromen-5-one
  • 1-(6-hydroxy-4-methoxy-7-(methylthio)benzofuran-5-yl)ethanone
  • 1-(6-ethoxy-4-methoxy-7-(methylthio)benzofuran-5-yl)ethanone
  • 4-allyloxy-2-hydroxy-3-iodo-6-methoxyacetophenone

DownStream

  • Khellin
  • 9-amino-4-hydroxy-7-methylfuro[3,2-g]chromen-5-one
  • 7-Hydroxy-5-methoxy-2-methyl-4-oxo-4H-1-benzopyran-6-carbaldehyde
  • 6-hydroxy-4-methoxy-1-benzofuran-5-carboxylic acid
  • 1-(6-hydroxy-4-methoxy-1-benzofuran-5-yl)ethanone
  • 7-Methyl-4H-furo(3,2-g)chromene-4,5,9-trione
  • [[(4E)-4-(4-methoxy-6-oxo-benzofuran-5-ylidene)-6-methyl-1H-pyrimidin-2-yl]amino]formonitrile

Related Compounds

  • 9-Amino-desmethyl-visnagin
  • N-(Tos-Leu)-desmethyl-visnagin
  • N-(Tos-Val)-desmethyl-visnagin
  • N-(PHT=Leu)-desmethyl-visnagin
  • N-(PHT=D-Phe)-desmethyl-visnagin
  • N-(N5-Tos-Orn)-desmethyl-visnagin
  • 4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
  • 1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
  • (4-Methyl-tetrahydro-furan-2-yl)-methanol
  • rel-N-(2-Fluorophenyl)-N-{(3S,4R)-1-[2-(4-fluorophenyl)ethyl]-3-methylpiperidin-4-yl}propanamide
  • N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
  • 4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde
  • tert-Butyl-DL-alanine
  • 4-amino-N-[2-tert-butyl-1-(tetrahydro-2H-pyran-4-ylmethyl)-1H-benzimidazol-5-yl]-N-ethylbenzenesulfonamide