Celastrol

雷公藤红素

Also known as: Tripterine, Tripterin, Celasterol, 3-Hydroxy-2-oxo-24-nor-D:A-friedooleana-1(10),3,5,7-tetraen-29-oic Acid, (2R,4aS,6aS,12bR,14aS,14bR)-10-Hydroxy-2,4a,6a,9,12b,14a-hexamethyl-11-oxo-1,2,3,4,4a,5,6,6a,11,12b,13,14,14a,14b-tetradecahydropicene-2-carboxylic acid, 24,25,26-Trinoroleana-1(10),3,5,7-tetraen-29-oic acid, 3-hydroxy-9,13-dimethyl-2-oxo-, (9β,13α,14β,20α)-, NSC 70931

Celastrol (CAS 34157-83-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C29H38O4 and a molecular weight of 450.610 g/mol. It is also known as Tripterine, Tripterin and Celasterol. Key properties include a melting point of 185-200ºC, a boiling point of 645.7±55.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 358.3±28.0 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
34157-83-0
Jingsj CID
J-1963073-9
Molecular Formula
C29H38O4
Chinese Name
雷公藤红素
Molecular Weight
450.610 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point185-200ºC
Boiling Point645.7±55.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point358.3±28.0 °C

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of Celastrol?

The CAS number of Celastrol is 34157-83-0.

What are the molecular formula and molecular weight of Celastrol?

Celastrol has molecular formula C29H38O4 and molecular weight 450.610 g/mol.

Is Celastrol hazardous?

Celastrol has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "Celastrol (CAS 34157-83-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1963073-9 (accessed 2026-10-24).

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