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ChemicalBook >> CAS DataBase List >> Maleamic acid

Maleamic acid

Maleamic acid price.
  • $6 - $2200
  • Product name: Maleamic acid
  • CAS: 557-24-4
  • MF: C4H5NO3
  • MW: 115.09
  • EINECS:209-163-4
  • MDL Number:MFCD00082354
  • Synonyms:TIMTEC-BB SBB007773;(2E)-4-Amino-4-oxo-2-butenoic acid;2-Butenoic acid, 4-amino-4-oxo-, (Z)-;Acrylic acid, 3-carbamoyl-, (Z)-;maleamic ;Maleic monoamide;MALEAMIC ACID;AURORA KA-4159
Price32 Properties Safety Information Description
32 prices
Selected condition：
Brand
  • aablocks
  • AK Scientific
  • Ambeed
  • American Custom Chemicals Corporation
  • Arctom
  • Atlantic Research Chemicals
  • ChemScene
  • Crysdot
  • Matrix Scientific
  • Medical Isotopes, Inc.
  • Sigma-Aldrich
  • TCI Chemical
  • TRC
  • Usbiological
Package
  • 250MG
  • 500mg
  • 1g
  • 2.5G
  • 5g
  • 10g
  • 25.00g
  • 25g
  • 100.00g
  • 100g
  • 500g
  • Manufactureraablocks
  • Product numberAA00351I
  • Product descriptionMaleamic acid 98%(HPLC)
  • Packaging1g
  • Price$18
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00351I
  • Product descriptionMaleamic acid ≥98%(HPLC)
  • Packaging5g
  • Price$22
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00351I
  • Product descriptionMaleamic acid >98.0%(T)(HPLC)
  • Packaging25g
  • Price$40
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00351I
  • Product descriptionMaleamic acid >98.0%(T)(HPLC)
  • Packaging500g
  • Price$311
  • Updated2026-05-28
  • Buy
  • ManufacturerAK Scientific
  • Product numberH517
  • Product descriptionMeleamicacid
  • Packaging500g
  • Price$501
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberH517
  • Product descriptionMeleamicacid
  • Packaging25g
  • Price$107
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA210666
  • Product description(Z)-4-Amino-4-oxobut-2-enoicacid 98%
  • Packaging100g
  • Price$259
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA210666
  • Product description(Z)-4-Amino-4-oxobut-2-enoicacid 98%
  • Packaging25g
  • Price$69
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA210666
  • Product description(Z)-4-Amino-4-oxobut-2-enoicacid 98%
  • Packaging10g
  • Price$29
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA210666
  • Product description(Z)-4-Amino-4-oxobut-2-enoicacid 98%
  • Packaging1g
  • Price$6
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA210666
  • Product description(Z)-4-Amino-4-oxobut-2-enoicacid 98%
  • Packaging5g
  • Price$15
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0014471
  • Product descriptionMALEAMIC ACID 95.00%
  • Packaging250MG
  • Price$750.75
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0014471
  • Product descriptionMALEAMIC ACID 95.00%
  • Packaging2.5G
  • Price$2035
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberBD-A210666
  • Product description(Z)-4-Amino-4-oxobut-2-enoic acid 98%
  • Packaging100g
  • Price$118
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberBD-A210666
  • Product description(Z)-4-Amino-4-oxobut-2-enoic acid 98%
  • Packaging25g
  • Price$45
  • Updated2026-05-26
  • Buy
  • ManufacturerAtlantic Research Chemicals
  • Product numberAN002730
  • Product descriptionMaleamic acid 95
  • Packaging5g
  • Price$44.45
  • Updated2026-05-23
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA00351I Maleamic acid 98%(HPLC) 1g $18 2026-05-28 Buy
aablocks AA00351I Maleamic acid ≥98%(HPLC) 5g $22 2026-05-28 Buy
aablocks AA00351I Maleamic acid >98.0%(T)(HPLC) 25g $40 2026-05-28 Buy
aablocks AA00351I Maleamic acid >98.0%(T)(HPLC) 500g $311 2026-05-28 Buy
AK Scientific H517 Meleamicacid 500g $501 2021-12-16 Buy
AK Scientific H517 Meleamicacid 25g $107 2021-12-16 Buy
Ambeed A210666 (Z)-4-Amino-4-oxobut-2-enoicacid 98% 100g $259 2021-12-16 Buy
Ambeed A210666 (Z)-4-Amino-4-oxobut-2-enoicacid 98% 25g $69 2021-12-16 Buy
Ambeed A210666 (Z)-4-Amino-4-oxobut-2-enoicacid 98% 10g $29 2021-12-16 Buy
Ambeed A210666 (Z)-4-Amino-4-oxobut-2-enoicacid 98% 1g $6 2021-12-16 Buy
Ambeed A210666 (Z)-4-Amino-4-oxobut-2-enoicacid 98% 5g $15 2021-12-16 Buy
American Custom Chemicals Corporation CHM0014471 MALEAMIC ACID 95.00% 250MG $750.75 2021-12-16 Buy
American Custom Chemicals Corporation CHM0014471 MALEAMIC ACID 95.00% 2.5G $2035 2021-12-16 Buy
Arctom BD-A210666 (Z)-4-Amino-4-oxobut-2-enoic acid 98% 100g $118 2026-05-26 Buy
Arctom BD-A210666 (Z)-4-Amino-4-oxobut-2-enoic acid 98% 25g $45 2026-05-26 Buy
Atlantic Research Chemicals AN002730 Maleamic acid 95 5g $44.45 2026-05-23 Buy
Next Last

Properties

Melting point :158-161 °C (lit.)
Boiling point :215.33°C (rough estimate)
Density :1.4769 (rough estimate)
refractive index :1.4170 (estimate)
storage temp. :Keep in dark place,Sealed in dry,Room Temperature
pka :2.86±0.25(Predicted)
form :Solid
color :White to off-white
Merck :14,5701
Stability :Stable, but light sensitive. Incompatible with strong oxidizing agents.
InChI :InChI=1S/C4H5NO3/c5-3(6)1-2-4(7)8/h1-2H,(H2,5,6)(H,7,8)/b2-1-
InChIKey :FSQQTNAZHBEJLS-UPHRSURJSA-N
SMILES :C(O)(=O)/C=C\C(N)=O
CAS DataBase Reference :557-24-4(CAS DataBase Reference)
NIST Chemistry Reference :Maleamic acid(557-24-4)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

Intermediate in the preparation of a new conjugated agent for radioiodination of proteins.

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Suppliers and manufacturers

Sanover (Xiamen) Technology Co., Ltd Shanghai Boyle Chemical Co., Ltd. J & K SCIENTIFIC LTD. Meryer (Shanghai) Chemical Technology Co., Ltd. TCI (Shanghai) Development Co., Ltd. Energy Chemical Shanghai Hanhong Scientific Co.,Ltd. Chemsky（shanghai）International Co.,Ltd. Syntechem Co.,Ltd Tianjin heowns Biochemical Technology Co., Ltd.