Tamoxifen
Also known as: (Z)-Tamoxifen, trans-Tamoxifen, ICI 47699, Nolvadex, Soltamox, (Z)-1-(p-Dimethylaminoethoxyphenyl)-1,2-diphenyl-1-butene, 2-[4-[(Z)-1,2-diphenyl-1-butenyl]phenoxy]-N,N-dimethylethanamine, Ethanamine, 2-[4-[(1Z)-1,2-diphenyl-1-buten-1-yl]phenoxy]-N,N-dimethyl-
Tamoxifen (CAS 10540-29-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C26H29NO and a molecular weight of 371.515 g/mol. Key properties include a melting point of 97-98ºC, a boiling point of 482.3±33.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 140.0±27.7 °C. It is classified under GHS with signal word Danger and hazard statements H350 — May cause cancer, H360 — May damage fertility or the unborn child and H362. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 10540-29-1
- Jingsj CID
- J-43577-8
- Molecular Formula
- C26H29NO
- Molecular Weight
- 371.515 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 97-98ºC |
|---|---|
| Boiling Point | 482.3±33.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 140.0±27.7 °C |
| Exact Mass | 371.224915 |
| PSA | 12.47000 |
| LogP | 7.88 |
| Vapor Pressure | 0.0±1.2 mmHg at 25°C |
| Refractive Index | 1.582 |
GHS Safety & Compliance
- H350 — May cause cancer
- H360 — May damage fertility or the unborn child
- H362
Activity & Biological Data
| Target | Estrogen receptor[1] |
|---|---|
| Additional Information | [1]. Osborne CK. Tamoxifen in the treatment of breast cancer. N Engl J Med. 1998 Nov 26;339(22):1609-18. [2]. Hawariah A, et al. In vitro response of human breast cancer cell lines to the growth-inhibitory effects of styrylpyrone derivative (SPD) and assessment of its antiestrogenicity. Anticancer Res. 1998 Nov-Dec;18(6A):4383-6. [3]. Jia Y, et al. Cardiomyocyte-Specific Ablation of Med1 Subunit of the Mediator Complex Causes Lethal DilatedCardiomyopathy in Mice. PLoS One. 2016 Aug 22;11(8):e0160755. [4]. Wang Y, et al. Evaluation of the safety and tolerability of tamoxifen for ischemia-incited renal injury in mice. Am J Transl Res. 2018 Jul 15;10(7):2184-2194. eCollection 2018. |
Customs & Trade Information
| HS Code | 2922199090 |
|---|---|
| Summary | 2922199090. other amino-alcohols, 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 Tamoxifen?
The CAS number of Tamoxifen is 10540-29-1.
What are the molecular formula and molecular weight of Tamoxifen?
Tamoxifen has molecular formula C26H29NO and molecular weight 371.515 g/mol.
Is Tamoxifen hazardous?
Tamoxifen has GHS signal word Danger and hazard statements H350 — May cause cancer; H360 — May damage fertility or the unborn child; H362.
What are the upstream and downstream products of Tamoxifen?
For Tamoxifen, Upstream Products: Iodobenzene, 1-Butyn-1-ylbenzene; Downstream Products: 4-Hydroxytamoxifen, Tamoxifen citrate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tamoxifen (CAS 10540-29-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43577-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.