5-Ethynyl-1H-pyrimidine-2,4-dione
5-乙炔基尿嘧啶
Also known as: Eniluracil, 5-Ethynyluracil, 5-Ethynyl-2,4(1H,3H)-pyrimidinedione, GW 776C85, BW 776C85, ADH 300004, NSC 687296, PCS 6422, Compound 776C
5-Ethynyl-1H-pyrimidine-2,4-dione (CAS 59989-18-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4N2O2 and a molecular weight of 136.10800 g/mol. It is also known as Eniluracil, 5-Ethynyluracil and 5-Ethynyl-2,4(1H,3H)-pyrimidinedione. Key properties include a melting point of 320 °C(dec.) and a density of 1.39g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 59989-18-3
- Jingsj CID
- J-1986558-2
- Molecular Formula
- C6H4N2O2
- Chinese Name
- 5-乙炔基尿嘧啶
- Molecular Weight
- 136.10800 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 320 °C(dec.) |
|---|---|
| Density | 1.39g/cm3 |
Frequently Asked Questions
What is the CAS number of 5-Ethynyl-1H-pyrimidine-2,4-dione?
The CAS number of 5-Ethynyl-1H-pyrimidine-2,4-dione is 59989-18-3.
What are the molecular formula and molecular weight of 5-Ethynyl-1H-pyrimidine-2,4-dione?
5-Ethynyl-1H-pyrimidine-2,4-dione has molecular formula C6H4N2O2 and molecular weight 136.10800 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Ethynyl-1H-pyrimidine-2,4-dione (CAS 59989-18-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1986558-2 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.