5-butyl-6-methyl-2-thiouracil

Also known as: 4(1H)-Pyrimidinone,5-butyl-2,3-dihydro-6-methyl-2-thioxo-, 5-Butyl-2-Mercapto-6-MethylpyriMidin-4-ol, 5-Butyl-6-methyl-2-thioxo-2,3-dihydro-1H-pyrimidin-4-on, 5-Butyl-6-methyl-2-thioxo-2,3-dihydropyrimidin-4(1H)-one, 5-butyl-2-mercapto-6-methylpyrimidin-4-ol, 5-butyl-4-hydroxy-2-mercapto-6-methylpyrimidine, 5-butyl-6-methyl-2-sulfanylidene-1H-pyrimidin-4-one, 5-butyl-6-methyl-2-thioxo-2,3-dihydro-1H-pyrimidin-4-one, Butystat, EINECS 249-447-5, Tireobutil, Uracil,5-butyl-6-methyl-2-thio-

5-butyl-6-methyl-2-thiouracil (CAS 29113-41-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H14N2OS and a molecular weight of 198.28500 g/mol. Key properties include a boiling point of 363.8ºC at 760mmHg, a density of 1.16g/cm3 and a flash point of 173.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 29113-41-5
Jingsj CID: J-1500664-1
Molecular Formula: C₉H₁₄N₂OS
Molecular Weight: 198.28500 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	363.8ºC at 760mmHg
Density	1.16g/cm3
Flash Point	173.8ºC
Exact Mass	198.08300
PSA	80.74000
LogP	2.08350
Vapor Pressure	8.42E-06mmHg at 25°C
Refractive Index	1.569

Customs & Trade Information

HS Code	2933599090
Summary	2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring 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 5-butyl-6-methyl-2-thiouracil?

The CAS number of 5-butyl-6-methyl-2-thiouracil is 29113-41-5.

What are the molecular formula and molecular weight of 5-butyl-6-methyl-2-thiouracil?

5-butyl-6-methyl-2-thiouracil has molecular formula C9H14N2OS and molecular weight 198.28500 g/mol.

What are the upstream and downstream products of 5-butyl-6-methyl-2-thiouracil?

For 5-butyl-6-methyl-2-thiouracil, Upstream Products: Ethyl 2-acetylhexanoate.

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

Last updated: 8/21/2026

How to cite: Jingsj. "5-butyl-6-methyl-2-thiouracil (CAS 29113-41-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1500664-1 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.