Skip to main content

5,6-Diamino-1,3-dimethyluracil

Also known as: 4,5-Diamino-1,3-dimethyluracil, 5,6-Diamino-1,3-dimethyl-2,4(1H,3H)-pyrimidinedione, 5,6-Diamino-1,3-dimethylpyrimidine-2,4-dione, 1,3-Dimethyl-5,6-diaminouracil, NSC 15493

5,6-Diamino-1,3-dimethyluracil (CAS 5440-00-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H10N4O2 and a molecular weight of 170.169 g/mol. Key properties include a melting point of 210-214ºC (dec.)(lit.), a boiling point of 243.6±50.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 101.1±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5440-00-6
Jingsj CID
J-26718-5
Molecular Formula
C6H10N4O2
Molecular Weight
170.169 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point210-214ºC (dec.)(lit.)
Boiling Point243.6±50.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point101.1±30.1 °C
Exact Mass170.080383
PSA96.04000
LogP-1.69
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.581

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-Diamino-1,3-dimethyluracil?

The CAS number of 5,6-Diamino-1,3-dimethyluracil is 5440-00-6.

What are the molecular formula and molecular weight of 5,6-Diamino-1,3-dimethyluracil?

5,6-Diamino-1,3-dimethyluracil has molecular formula C6H10N4O2 and molecular weight 170.169 g/mol.

What are the upstream and downstream products of 5,6-Diamino-1,3-dimethyluracil?

For 5,6-Diamino-1,3-dimethyluracil, Upstream Products: 6-Amino-1,3-dimethyl-5-nitrosouracil, 6-Amino-1,3-dimethyluracil, 1,3-Dimethylbarbituric acid; Downstream Products: 8-Cyclopentyl-1,3-dimethylxanthine, 1,3-Dimethyluric acid, 8-Phenyltheophylline.

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-Diamino-1,3-dimethyluracil (CAS 5440-00-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26718-5 (accessed 2026-11-09).

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