Skip to main content

5,6-Dihydro-5-methyluracil

Also known as: Dihydrothymine, 5,6-Dihydrothymine, 5,6-Dihydro-5-methyl-2,4-dioxypyrimidine, 5-Methyl-5,6-dihydrouracil, 5-Methyl-dihydro-pyrimidine-2,4-dione, 2,4(1H,3H)-Pyrimidinedione, dihydro-5-methyl-, 5-Methylhydrouracil, Hydrouracil, 5-methyl-, NSC 44131

5,6-Dihydro-5-methyluracil (CAS 696-04-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H8N2O2 and a molecular weight of 128.12900 g/mol. Key properties include a melting point of 263-265°C and a density of 1.149 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
696-04-8
Jingsj CID
J-30430-3
Molecular Formula
C5H8N2O2
Molecular Weight
128.12900 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point263-265°C
Density1.149 g/cm3
Exact Mass128.05900
PSA58.20000
LogP0.11950
Refractive Index1.452

Activity & Biological Data

TargetHuman Endogenous Metabolite
Additional Information[1]. Yamane T, et al. Dihydrothymine from UV-irradiated DNA. Proc Natl Acad Sci U S A. 1967 Aug;58(2):439-42.

Customs & Trade Information

HS Code2933599090
Summary2933599090. 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 5,6-Dihydro-5-methyluracil?

The CAS number of 5,6-Dihydro-5-methyluracil is 696-04-8.

What are the molecular formula and molecular weight of 5,6-Dihydro-5-methyluracil?

5,6-Dihydro-5-methyluracil has molecular formula C5H8N2O2 and molecular weight 128.12900 g/mol.

What are the upstream and downstream products of 5,6-Dihydro-5-methyluracil?

For 5,6-Dihydro-5-methyluracil, Upstream Products: Thymine, 5-Hydroxymethyluracil, Methyl methacrylate; Downstream Products: Thymine, 5-Methylpyrimidine-2,4,6(1H,3H,5H)-trione, Ethyl 3-amino-2-methylpropanoate.

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

Last updated:

How to cite: Jingsj. "5,6-Dihydro-5-methyluracil (CAS 696-04-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30430-3 (accessed 2026-11-09).

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