Columbin

古伦宾

Also known as: Columbin (USP/EP/BP), Tinosporin, (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, 15,16-Epoxy-1b,4,12-trihydroxy-5,9-dimethyl-17,18-dinor-8bH,9bH,10a-labda-2,13(16),14-triene-19,20-dioic Acid 19,1:20,12-Dilactone, COLUMBIN古伦宾

Columbin (CAS 546-97-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H22O6 and a molecular weight of 358.385 g/mol. It is also known as Columbin (USP/EP/BP), Tinosporin and (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. Key properties include a melting point of 190-191ºC, a boiling point of 565.9±50.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 296.0±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
546-97-4
Jingsj CID
J-1970021-0
Molecular Formula
C20H22O6
Chinese Name
古伦宾
Molecular Weight
358.385 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point190-191ºC
Boiling Point565.9±50.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point296.0±30.1 °C

Frequently Asked Questions

What is the CAS number of Columbin?

The CAS number of Columbin is 546-97-4.

What are the molecular formula and molecular weight of Columbin?

Columbin has molecular formula C20H22O6 and molecular weight 358.385 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Columbin (CAS 546-97-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1970021-0 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.