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Merck

445495

Sigma-Aldrich

Maleamic acid

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About This Item

Fórmula lineal:
H2NCOCH=CHCO2H
Número de CAS:
Peso molecular:
115.09
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

form

solid

Quality Level

mp

158-161 °C (lit.)

functional group

amide
carboxylic acid

SMILES string

[H]\C(=C(/[H])C(O)=O)C(N)=O

InChI

1S/C4H5NO3/c5-3(6)1-2-4(7)8/h1-2H,(H2,5,6)(H,7,8)/b2-1-

InChI key

FSQQTNAZHBEJLS-UPHRSURJSA-N

Categorías relacionadas

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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5-Hydroxy-2-pyridone (2,5-DHP) is a central metabolic intermediate in catabolism of many pyridine derivatives, and has been suggested as a potential carcinogen. 2,5-DHP is frequently transformed to N-formylmaleamic acid (NFM) by a 2,5-DHP dioxygenase. Three hypotheses were formerly discussed for conversion
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