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Zeranol

Also known as: Zearalanol, α-Zearalanol, a-Zearalanol, Ralgro, Ralone, Ralabol, Frideron, MK-188, P-1496, MFCD00083519, EINECS 247-769-0

Zeranol (CAS 26538-44-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C18H26O5 and a molecular weight of 322.396 g/mol. Key properties include a melting point of 178 - 185ºC, a boiling point of 576.0±50.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 207.9±23.6 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H312 — Harmful in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
26538-44-3
Jingsj CID
J-21363-8
Molecular Formula
C18H26O5
Molecular Weight
322.396 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Melting Point178 - 185ºC
Boiling Point576.0±50.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point207.9±23.6 °C
Exact Mass322.178009
PSA86.99000
LogP3.86
Vapor Pressure0.0±1.7 mmHg at 25°C
Refractive Index1.536
Storage Conditions-20℃

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H319 — Causes serious eye irritation
  • H332 — Harmful if inhaled

Activity & Biological Data

Additional Information[1]. Kennedy DG, et al. Zeranol is formed from Fusarium spp. toxins in cattle in vivo. Food Addit Contam. 1998 May-Jun;15(4):393-400. [2]. Yuri T, et al. Biphasic effects of zeranol on the growth of estrogen receptor-positive human breast carcinoma cells. Oncol Rep. 2006 Dec;16(6):1307-12.

Frequently Asked Questions

What is the CAS number of Zeranol?

The CAS number of Zeranol is 26538-44-3.

What are the molecular formula and molecular weight of Zeranol?

Zeranol has molecular formula C18H26O5 and molecular weight 322.396 g/mol.

Is Zeranol hazardous?

Zeranol has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H312 — Harmful in contact with skin.

What are the upstream and downstream products of Zeranol?

For Zeranol, Upstream Products: Zearalenone, alpha-Zearalenol.

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

Last updated:

How to cite: Jingsj. "Zeranol (CAS 26538-44-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21363-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.