Ergosterol

麦角甾醇

Also known as: Provitamin D2, 3β-Hydroxy-5,7,22-ergostatriene, 5,7,22-Ergostatrien-3β-ol, (22E,24R)-Ergosta-5,7,22-trien-3β-ol, (3β,22E)-Ergosta-5,7,22-trien-3-ol, Ergosterin, Provitamine D2, (22E)-Ergosta-5,7,22-trien-3β-ol

Ergosterol (CAS 57-87-4) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C28H44O and a molecular weight of 396.648 g/mol. It is also known as Provitamin D2, 3β-Hydroxy-5,7,22-ergostatriene and 5,7,22-Ergostatrien-3β-ol. Key properties include a melting point of 156-158 °C(lit.), a boiling point of 501.5±39.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 216.3±19.3 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
57-87-4
Jingsj CID
J-35941-2
Molecular Formula
C28H44O
Chinese Name
麦角甾醇
Molecular Weight
396.648 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Melting Point156-158 °C(lit.)
Boiling Point501.5±39.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point216.3±19.3 °C

GHS Safety & Compliance

Acute Toxicity / Health HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of Ergosterol?

The CAS number of Ergosterol is 57-87-4.

What are the molecular formula and molecular weight of Ergosterol?

Ergosterol has molecular formula C28H44O and molecular weight 396.648 g/mol.

Is Ergosterol hazardous?

Ergosterol 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. "Ergosterol (CAS 57-87-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35941-2 (accessed 2026-10-23).

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