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ChemicalBook--->CAS DataBase List--->546-97-4

546-97-4

546-97-4 Structure

546-97-4 Structure
IdentificationBack Directory
[Name]

Columbin
[CAS]

546-97-4
[Synonyms]

Tinosporin
Columbin USP/EP/BP
Columbin >=95% (LC/MS-ELSD)
Columbin, 98%, from limacia sagittata
(1s,2s,3s,5s,8r,11r,12s)-5-(3-furyl)-12-hydroxy-3,11-dimethyl-6,14-dioxatetracyclo[10.2.2.02,11.03,8]hexadec-15-ene-7,13-dione
(1R,2S,3S,5S,8R,11R,12R)-5-(3-Furyl)-12-hydroxy-3,11-dimethyl-6,14-dioxatetracyclo[10.2.2.02,11.03,8]hexadec-15-ene-7,13-dione
(1R,4R,4aR,6aR,9S,10aS,10bS)-9-(3-Furanyl)decahydro-4-hydroxy-4a,10a-dimethyl-1,4-etheno-3H,7H-benzo[1,2-c:3,4-c']dipyran-3,7-dione
(1R,2S,3S,5S,8R,11R,12R)-5-(3-Furyl)-12-hydroxy-3,11-dimethyl-6,14-dioxatetracyclo[10.2.2.02,11.03,8]hexadec-15-ene-7,13-dione
(1R,4R,4aR,6aR,9S,10aS,10bS)-9-(3-Furanyl)-1,4,4a,5,6,6a,9,10,10a,10b-decahydro-4-hydroxy-4a,10a-dimethyl-1,4-etheno-3H,7H-benzo[1,2-c:3,4-c']dipyran-3,7-dione
1,4-Etheno-3H,7H-benzo[1,2-c:3,4-c']dipyran-3,7-dione, 9-(3-furanyl)-1,4,4a,5,6,6a,9,10,10a,10b-decahydro-4-hydroxy-4a,10a-dimethyl-, (1R,4R,4aR,6aR,9S,10aS,10bS)-
[Molecular Formula]

C20H22O6
[MDL Number]

MFCD02682955
[MOL File]

546-97-4.mol
[Molecular Weight]

358.388
Chemical PropertiesBack Directory
[Melting point ]

190-191℃
[alpha ]

D +52.5° (pyridine)
[Boiling point ]

410.82°C (rough estimate)
[density ]

1.36
[refractive index ]

1.4450 (estimate)
[storage temp. ]

?20°C
[solubility ]

DMF: 30 mg/ml; DMSO: 30 mg/ml; Ethanol: 0.03 mg/ml
[form ]

Cryst.
[pka]

12.14±0.70(Predicted)
[color ]

White to off-white
Safety DataBack Directory
[WGK Germany ]

3
[HS Code ]

29322090
Hazard InformationBack Directory
[Uses]

Columbin is a furanolactone diterpene isolated from the roots of Jateorhiza and Tinospora species and is used in Asian and African folk medicine for analgesic and antipyretic properties.
[Definition]

ChEBI: Columbin is an organic heterotricyclic compound and an organooxygen compound.
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