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633771

Sigma-Aldrich

5-Methylisoxazole-4-carboxylic acid

97%

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About This Item

Empirical Formula (Hill Notation):
C5H5NO3
CAS Number:
42831-50-5
Molecular Weight:
127.10
MDL number:
MFCD00955655
UNSPSC Code:
12352100
PubChem Substance ID:
24882579
NACRES:
NA.22

Quality Level

100

Assay

97%

form

solid

mp

144-148 °C (lit.)

functional group

carboxylic acid

SMILES string

Cc1oncc1C(O)=O

InChI

1S/C5H5NO3/c1-3-4(5(7)8)2-6-9-3/h2H,1H3,(H,7,8)

InChI key

VQBXUKGMJCPBMF-UHFFFAOYSA-N

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCN0258
MKBX0628V
MKBR9145V
MKBK4166V
MKAA0878V

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