N-Carbamoylmaleamic acid

N-氨基甲酰马来酸

Also known as: Maleuric acid, Maleylurea, N-Carbamoyl maleamic acid, (2Z)-4-(carbamoylamino)-4-oxobut-2-enoic acid, Maleic acid monoureide, cis-Maleuric acid, cis-Maleylurea, 3c-Allophanoyl-acrylsaeure, Z-4-aminocarbonylamino-4-oxo-2-butenoic acid

N-Carbamoylmaleamic acid (CAS 105-61-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H6N2O4 and a molecular weight of 158.11200 g/mol. It is also known as Maleuric acid, Maleylurea and N-Carbamoyl maleamic acid. Key property: a melting point of 156-159°C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
105-61-3
Jingsj CID
J-1503731-0
Molecular Formula
C5H6N2O4
Chinese Name
N-氨基甲酰马来酸
Molecular Weight
158.11200 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point156-159°C
Exact Mass158.03300
PSA109.49000

Customs & Trade Information

HS Code2924199090
Summary2924199090. other acyclic amides (including acyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of N-Carbamoylmaleamic acid?

The CAS number of N-Carbamoylmaleamic acid is 105-61-3.

What are the molecular formula and molecular weight of N-Carbamoylmaleamic acid?

N-Carbamoylmaleamic acid has molecular formula C5H6N2O4 and molecular weight 158.11200 g/mol.

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

Last updated:

How to cite: Jingsj. "N-Carbamoylmaleamic acid (CAS 105-61-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1503731-0 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.