Wikipedia:  

3-methyl-2-butenoic acid

beta,beta-Dimethacrylic acid; 3-methylbut-2-enoic acid; beta-Methylcrotonic acid;; beta,beta-Dimethylacrylic acid; Senecioic acid; Crotonic acid, 3-methyl-; beta,beta-dimethyl acrylic acid; SENECIC ACID; 2-butenoic acid, 3-methyl-; 3-methyl-2-butenoic acid; 3,3-Dimethylacrylic acid
Molecular Formula
C5 H8 O2
Natural Isotopic Abundance Mass
100.11582
Mono-Isotopic Molecular Masses
C12N14:   100.052429501
C13N14:   105.06920369
C12N15:   100.052429501
C13N15:   105.06920369
3-methyl-2-butenoic acid image
3-methyl-2-butenoic acid
InCHi String:
InChI=1S/C5H8O2/c1-4(2)3-5(6)7/h3H,1-2H3,(H,6,7)

canonical and isomeric SMILES:
CC(=CC(=O)O)C


PUBCHEM iupac NAME: PUBCHEM iupac TRADITIONAL NAME: PUBCHEM iupac OPENEYE NAME: PUBCHEM iupac SYSTEMATIC NAME
3-methylbut-2-enoic acid

PUBCHEM iupac CAS NAME
3-methyl-2-butenoic acid



PubChem Substance (SID):   85165359   7849788   595015
PubChem Compound (CID):   10931
KEGG: Compound ID   n/a
CAS Registry IDs:   541-47-9
PDB Chemical Component   n/a
Miscellaneous Databases and IDs:   Sigma-Aldrich 38880_FLUKA   ChemSpider 15222755   ChEBI CHEBI:37127   LipidMAPS LMFA01020097   NMRShiftDB 20026073   NIST Chemistry WebBook 1921528580   MMCD cq_10657   MDL MFCD00004366

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.