Shanghai Nianxing Industrial Co., Ltd
China
Product Name: N-CARBAMOYLMALEAMIC ACID
Price: Check
Purity: 98.92%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

ShangHai DC Chemicals Co.,Ltd
China
Product Name: Maleuric acid
Price: ￥Inquiry/1g
Purity: 98.9%
Stocking Period: 1 Day
Contact: Tony Lai
Email: order@dcchemicals.com

DC Chemicals Limited
China
Product Name: Maleuric acid
Price: $Inquiry/100mg $Inquiry/250mg $Inquiry/500mg
Purity: 98.0%
Stocking Period: 3 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-Butenoic acid,4-[(aminocarbonyl)amino]-4-oxo-, (2Z)-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

105-61-3

105-61-3 structure

105-61-3 structure

Name: N-CARBAMOYLMALEAMIC ACID
Chemical Name: n-carbamoylmaleamic acid
CAS Number: 105-61-3
Molecular Formula: C₅H₆N₂O₄
Molecular Weight: 158.11200
Create Date: 2018-05-17 08:00:00
Modify Date: 2025-08-24 21:16:20
Maleuric acid is a biochemical.

Name	n-carbamoylmaleamic acid
Synonyms	N-carbamoyl-maleamic acid CIS-MALEURIC ACID MFCD00014790 Maleinursaeure maleinuricacid maleuricacid Z-4-aminocarbonylamino-4-oxo-2-butenoic acid maleicacidmonoureide CIS-MALEYLUREA N-Carbamoyl-maleinamidsaeure maleylurea (z)-2-butenoicaci 3c-Allophanoyl-acrylsaeure Maleinsaeure-monoureid Einecs 203-314-8

Melting Point	156-159°C
Molecular Formula	C₅H₆N₂O₄
Molecular Weight	158.11200
Exact Mass	158.03300
PSA	109.49000

Risk Phrases	R36/37/38
Safety Phrases	S22-S24/25
RTECS	EM9090000
HS Code	2924199090

108-31-6 structure

108-31-6

57-13-6 structure

57-13-6

~99%

105-61-3 structure

105-61-3

Literature: Cytec Technology Corp. Patent: EP925283 B1, 2003 ; Location in patent: Page/Page column 9 ;

HS Code	2924199090
Summary	2924199090. 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%

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