6-Amino-5-nitrouracil

Also known as: 2,4(1H,3H)-Pyrimidinedione, 6-amino-5-nitro-, 4-Amino-2,6-dihydroxy-5-nitropyrimidine, 5-Nitro-6-aminouracil, 6-Amino-5-nitro-1H-pyrimidine-2,4-dione, 6-Amino-5-nitro-uracil, 6-azanyl-5-nitro-1H-pyrimidine-2,4-dione, AKOS BBS-00002109, NSC 99321

6-Amino-5-nitrouracil (CAS 3346-22-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H4N4O4 and a molecular weight of 172.09900 g/mol. Key properties include a boiling point of 561.7ºC at 760mmHg, a density of 1.79g/cm3 and a flash point of 293.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3346-22-3
Jingsj CID: J-1443038-7
Molecular Formula: C₄H₄N₄O₄
Molecular Weight: 172.09900 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	561.7ºC at 760mmHg
Density	1.79g/cm3
Flash Point	293.5ºC
Exact Mass	172.02300
PSA	137.56000
Refractive Index	1.656

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 6-Amino-5-nitrouracil?

The CAS number of 6-Amino-5-nitrouracil is 3346-22-3.

What are the molecular formula and molecular weight of 6-Amino-5-nitrouracil?

6-Amino-5-nitrouracil has molecular formula C4H4N4O4 and molecular weight 172.09900 g/mol.

What are the upstream and downstream products of 6-Amino-5-nitrouracil?

For 6-Amino-5-nitrouracil, Upstream Products: 6-Aminouracil; Downstream Products: 2,6-Dichloro-5-nitropyrimidin-4-amine.

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. "6-Amino-5-nitrouracil (CAS 3346-22-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1443038-7 (accessed 2026-11-09).

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