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1-(2,5-Dioxo-2,5-dihydro-1H-imidazol-4-yl)urea

Also known as: (2,5-Dihydro-2,5-dioxo-1H-imidazol-4-yl)urea, (2,5-dioxoimidazol-4-yl)urea, 2AL, Dehydro-allantoin, N-(2,5-Dihydro-2,5-dioxo-1H-imidazol-4-yl)urea, Oxonic Acid Impurity 4, Potassium Otiraci Impurity 1, Urea, N-(2,5-dihydro-2,5-dioxo-1H-imidazol-4-yl)-

1-(2,5-Dioxo-2,5-dihydro-1H-imidazol-4-yl)urea (CAS 105245-87-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H4N4O3 and a molecular weight of 156.10000 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
105245-87-2
Jingsj CID
J-1386157-1
Molecular Formula
C4H4N4O3
Molecular Weight
156.10000 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Exact Mass156.02800
PSA118.13000

Customs & Trade Information

HS Code2933290090
Summary2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) 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 1-(2,5-Dioxo-2,5-dihydro-1H-imidazol-4-yl)urea?

The CAS number of 1-(2,5-Dioxo-2,5-dihydro-1H-imidazol-4-yl)urea is 105245-87-2.

What are the molecular formula and molecular weight of 1-(2,5-Dioxo-2,5-dihydro-1H-imidazol-4-yl)urea?

1-(2,5-Dioxo-2,5-dihydro-1H-imidazol-4-yl)urea has molecular formula C4H4N4O3 and molecular weight 156.10000 g/mol.

What are the upstream and downstream products of 1-(2,5-Dioxo-2,5-dihydro-1H-imidazol-4-yl)urea?

For 1-(2,5-Dioxo-2,5-dihydro-1H-imidazol-4-yl)urea, Upstream Products: Uric Acid; Downstream Products: Parabanic acid, Potassium oxonate.

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

Last updated:

How to cite: Jingsj. "1-(2,5-Dioxo-2,5-dihydro-1H-imidazol-4-yl)urea (CAS 105245-87-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1386157-1 (accessed 2026-11-06).

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