Tegafur
Also known as: Ftorafur, FT-207, 5-Fluoro-1-(tetrahydro-2-furyl)uracil, 5-Fluoro-1-(tetrahydro-2-furanyl)-2,4(1H,3H)-pyrimidinedione, NSC-148958, Citofur, Exonal, Fental, Lifril, Riol, Sinoflurol, Sunfral
Tegafur (CAS 17902-23-7) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H9FN2O3 and a molecular weight of 200.167 g/mol. Key properties include a melting point of 171-173 °C(lit.) and a density of 1.5±0.1 g/cm3. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H311 — Toxic in contact with skin and H331 — Toxic if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 17902-23-7
- Jingsj CID
- J-14332-3
- Molecular Formula
- C8H9FN2O3
- Molecular Weight
- 200.167 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 171-173 °C(lit.) |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Exact Mass | 200.059723 |
| PSA | 64.09000 |
| LogP | -0.77 |
| Refractive Index | 1.557 |
| Storage Conditions | 2-8°C |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H311 — Toxic in contact with skin
- H331 — Toxic if inhaled
Activity & Biological Data
| Additional Information | [1]. Sotaro Sadahiro, Toshiyuki Suzuki, Akira Tanaka, et al. Association of right-sided tumors with high thymidine phosphorylase gene expression levels and the response to oral uracil and tegafur/leucovorin chemotherapy among patients with colorectal cancer. Cancer Chemotherapy and Pharmacology. 2012, 70 (2): 285-291. [2]. José L. Ariasa, et al. Engineering of an antitumor (core/shell) magnetic nanoformulation based on the chemotherapy agent ftorafur. Colloids and Surfaces A: Physicochemical and Engineering Aspects. 2011,384(1-3): 157-163. [3]. Gabriel N. Hortobagyi, William Heim, Laura Hutchins, et al. A phase 2 study of a fixed combination of uracil and ftorafur (UFT) and leucovorin given orally in a 3-times-daily regimen to treat patients with recurrent metastatic breast cancer. Cancer. 2010, 116(6): 1440-1445. [4]. K. Fujita, H. Nakayama, W. Ichikawa, et al. Pharmacokinetics of 5-Fluorouracil in Elderly Japanese Patients with Cancer Treated with S-1 (a Combination of Tegafur and Dihydropyrimidine Dehydrogenase Inhibitor 5-Chloro-2,4-dihydroxypyridine). Drug Metab Dispos. 2009 Jul;37(7):1375-7. doi: 10.1124/dmd.109.027052. Epub 2009 Apr 23. [5]. Tegafur-uracil |
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Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Tegafur?
The CAS number of Tegafur is 17902-23-7.
What are the molecular formula and molecular weight of Tegafur?
Tegafur has molecular formula C8H9FN2O3 and molecular weight 200.167 g/mol.
Is Tegafur hazardous?
Tegafur has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H311 — Toxic in contact with skin; H331 — Toxic if inhaled.
What are the upstream and downstream products of Tegafur?
For Tegafur, Upstream Products: 2,3-Dihydrofuran, 5-Fluorouracil, Dichlorodimethylsilane; Downstream Products: 5-Fluorouracil, Tetrahydrofuran, Furan.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tegafur (CAS 17902-23-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14332-3 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.