7-Methylpteridine-2,4(1H,3H)-dione

Also known as: 7-Methyl lumazine, 2,4(1H,3H)-Pteridinedione, 7-methyl-, 7-Methyl-2,4(1H,3H)-pteridinedione, 7-Methyl-1H-pteridine-2,4-dione, 7-Methylpteridine-2,4-diol, 7-Methyllumazine, Lumazine, 7-methyl-, 7-methyl-1H-pteridin-2,4-dion, 7-Methyl-lumazin, NSC 160394

7-Methylpteridine-2,4(1H,3H)-dione (CAS 13401-38-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H6N4O2 and a molecular weight of 178.14800 g/mol. Key property: a density of 1.436g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 13401-38-2
Jingsj CID: J-1319110-1
Molecular Formula: C₇H₆N₄O₂
Molecular Weight: 178.14800 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Density	1.436g/cm3
Exact Mass	178.04900
PSA	91.50000
Refractive Index	1.588

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 7-Methylpteridine-2,4(1H,3H)-dione?

The CAS number of 7-Methylpteridine-2,4(1H,3H)-dione is 13401-38-2.

What are the molecular formula and molecular weight of 7-Methylpteridine-2,4(1H,3H)-dione?

7-Methylpteridine-2,4(1H,3H)-dione has molecular formula C7H6N4O2 and molecular weight 178.14800 g/mol.

What are the upstream and downstream products of 7-Methylpteridine-2,4(1H,3H)-dione?

For 7-Methylpteridine-2,4(1H,3H)-dione, Upstream Products: 4,5-Diaminouracil, Methylglyoxal, 5,6-Diaminopyrimidine-2,4(1H,3H)-dione sulfate; Downstream Products: 6-Methylpyrazin-2-amine, 2-Hydroxy-6-methylpyrazine, 3-Hydroxy-5-methylpyrazine-2-carboxylic acid.

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. "7-Methylpteridine-2,4(1H,3H)-dione (CAS 13401-38-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1319110-1 (accessed 2026-11-09).

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