Toremifene

托瑞米芬

Also known as: (Z)-Toremifene, 2-[4-[(Z)-4-chloro-1,2-diphenylbut-1-enyl]phenoxy]-N,N-dimethylethanamine, 2-(4-(4-Chloro-1,2-diphenylbut-1-en-1-yl)phenoxy)-N,N-dimethylethanamine, Ethanamine, 2-[4-[(1Z)-4-chloro-1,2-diphenyl-1-buten-1-yl]phenoxy]-N,N-dimethyl-, NK 622, FC 1157a, Toremifene Base

Toremifene (CAS 89778-26-7) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C26H28ClNO and a molecular weight of 405.960 g/mol. It is also known as (Z)-Toremifene, 2-[4-[(Z)-4-chloro-1,2-diphenylbut-1-enyl]phenoxy]-N,N-dimethylethanamine and 2-(4-(4-Chloro-1,2-diphenylbut-1-en-1-yl)phenoxy)-N,N-dimethylethanamine. Key properties include a melting point of 108-110°C, a boiling point of 535.1±50.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 277.4±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 89778-26-7
Jingsj CID: J-36982-8
Molecular Formula: C₂₆H₂₈ClNO
Chinese Name: 托瑞米芬
Molecular Weight: 405.960 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	108-110°C
Boiling Point	535.1±50.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	277.4±30.1 °C
Exact Mass	405.185944
PSA	12.47000
LogP	7.82
Vapor Pressure	0.0±1.4 mmHg at 25°C
Refractive Index	1.588
Storage Conditions	2-8℃

Activity & Biological Data

Additional Information	[1]. Matthew R Smith, Selective Estrogen Receptor Modulators to Prevent Treatment-Related Osteoporosis.Rev Urol. 2005; 7(Suppl 3): S30-S35. [2]. Gauri J Sabnis, Luciana Macedo, Olga Goloubeva, Toremifene - Atamestane; Alone or In Combination: Predictions from the Preclinical Intratumoral Aromatase Model. J Steroid Biochem Mol Biol. 2008 January; 108(1-2): 1-7. [3]. Taneja SS, Morton R, Barnette G, Prostate cancer diagnosis among men with isolated high-grade intraepithelial neoplasia enrolled onto a 3-year prospective phase III clinical trial of oral toremifene. J Clin Oncol. 2013 Feb 10;31(5):523-9.

Additional Information

[1]. Matthew R Smith, Selective Estrogen Receptor Modulators to Prevent Treatment-Related Osteoporosis.Rev Urol. 2005; 7(Suppl 3): S30-S35. [2]. Gauri J Sabnis, Luciana Macedo, Olga Goloubeva, Toremifene - Atamestane; Alone or In Combination: Predictions from the Preclinical Intratumoral Aromatase Model. J Steroid Biochem Mol Biol. 2008 January; 108(1-2): 1-7. [3]. Taneja SS, Morton R, Barnette G, Prostate cancer diagnosis among men with isolated high-grade intraepithelial neoplasia enrolled onto a 3-year prospective phase III clinical trial of oral toremifene. J Clin Oncol. 2013 Feb 10;31(5):523-9.

Customs & Trade Information

HS Code	2922299090
Summary	2922299090. other amino-naphthols and other amino-phenols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Toremifene?

The CAS number of Toremifene is 89778-26-7.

What are the molecular formula and molecular weight of Toremifene?

Toremifene has molecular formula C26H28ClNO and molecular weight 405.960 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Toremifene (CAS 89778-26-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36982-8 (accessed 2026-10-28).

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