Gimeracil
Also known as: 5-chloro-2,4-dihydroxypyridine, 5-chloro-4-hydroxy-2(1H)-pyridinone, 5-chloro-4-hydroxy-1H-pyridin-2-one, 5-chloropyridine-2,4-diol, CDHP, Gimestat
Gimeracil (CAS 103766-25-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H4ClNO2 and a molecular weight of 145.544 g/mol. Key properties include a melting point of 274 °C, a boiling point of 524.2±45.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 270.8±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 103766-25-2
- Jingsj CID
- J-35722-2
- Molecular Formula
- C5H4ClNO2
- Molecular Weight
- 145.544 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 274 °C |
|---|---|
| Boiling Point | 524.2±45.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 270.8±28.7 °C |
| Exact Mass | 144.993057 |
| PSA | 53.09000 |
| LogP | -1.50 |
| Vapor Pressure | 0.0±1.4 mmHg at 25°C |
| Refractive Index | 1.641 |
| Storage Conditions | Refrigerator |
Activity & Biological Data
| Additional Information | [1]. Sakata K, et al. Gimeracil, an inhibitor of dihydropyrimidine dehydrogenase, inhibits the early step in homologous recombination. Cancer Sci. 2011 Sep;102(9):1712-6. [2]. Takagi M, et al. Gimeracil sensitizes cells to radiation via inhibition of homologous recombination. Radiother Oncol. 2010 Aug;96(2):259-66. |
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Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. 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 Gimeracil?
The CAS number of Gimeracil is 103766-25-2.
What are the molecular formula and molecular weight of Gimeracil?
Gimeracil has molecular formula C5H4ClNO2 and molecular weight 145.544 g/mol.
What are the upstream and downstream products of Gimeracil?
For Gimeracil, Upstream Products: 1,1-Diethoxyethene, 4-Chloro-2-ethoxypyridine, 4,5-Dichloro-2-ethoxypyridine; Downstream Products: 4-Amino-2,5-dichloropyridine, 2,4,5-Trichloropyridine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Gimeracil (CAS 103766-25-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35722-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.