(R)-2-methyl butyric acid

butanoic acid, 2-methyl-, (R)-

CAS: 32231-50-8 C5 H10 O2 MW: 102.13310000 cheesy

Identification

Name(R)-2-methyl butyric acid
CAS Number32231-50-8
FDA UNIISearch
Molecular FormulaC5 H10 O2
Molecular Weight102.13310000
Nikkaji NumberJ57.315I
XlogP31.20 (est)

Regulatory

Physical Properties

Food Chemicals Codex Listed No
Flash Point 32.00 °F. TCC ( 0.00 °C. ) (est)
Soluble in water, 2.811e+004 mg/L @ 25 °C (est)

Organoleptic Properties

Odor Description cheesy sweaty

Safety Information

Oral/Parenteral ToxicityNot determined
Dermal ToxicityNot determined
Inhalation ToxicityNot determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Categoryinformation only not used for fragrances or flavors
Recommendation for (R)-2-methyl butyric acid usage levels up tonot for fragrance use.
Recommendation for (R)-2-methyl butyric acid flavor usage levels up tonot for flavor use.

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Potential Uses

None Found

Natural Occurrence

not found in nature

Synonyms

butanoic acid, 2-methyl-, (R)- (R)-2- methyl butanoic acid (2R)-2- methylbutanoic acid (R)-2- methylbutanoic acid (R)-2- methylbutyric acid PubMed: Structural and Functional Analysis of the Loading Acyltransferase from Avermectin Modular Polyketide Synthase. PubMed: Biodegradation of C5-C 8 fatty acids and production of aroma volatiles by Myroides sp. ZB35 isolated from activated sludge. PubMed: Study on pharmacokinetics and tissue distribution of pteryxin in mice by ultra-pressure liquid chromatography with tandem mass spectrometry. PubMed: Pivalic acid acts as a starter unit in a fatty acid and antibiotic biosynthetic pathway in Alicyclobacillus, Rhodococcus and Streptomyces. PubMed: Stereoselective biocatalytic synthesis of (S)-2-hydroxy-2-methylbutyric acid via substrate engineering by using "thio-disguised" precursors and oxynitrilase catalysis. PubMed: Absolute configuration of the creatonotines and callimorphines, two classes of arctiid-specific pyrrolizidine alkaloids. PubMed: Requirements for the formation of a chiral template. PubMed: Chiral templating of surfaces: adsorption of (S)-2-methylbutanoic acid on Pt(111) single-crystal surfaces. PubMed: Asymmetric oxidation by Gluconobacter oxydans. PubMed: Enantiomers of cis-constrained and flexible 2-substituted GABA analogues exert opposite effects at recombinant GABA(C) receptors. PubMed: Stable isotope dilution analysis of wine fermentation products by HS-SPME-GC-MS. PubMed: 2-ethylhydracrylic aciduria in short/branched-chain acyl-CoA dehydrogenase deficiency: application to diagnosis and implications for the R-pathway of isoleucine oxidation. PubMed: Role of alpha-methylacyl coenzyme A racemase in the degradation of methyl-branched alkanes by Mycobacterium sp. strain P101. PubMed: Total synthesis and biological evaluation of +-kalkitoxin, a cytotoxic metabolite of the cyanobacterium Lyngbya majuscula. PubMed: Enantioselective analysis of methyl-branched alcohols and acids in rhubarb (Rheum rhabarbarum L.) stalks. PubMed: Metabolism of ethyl tiglate in apple fruits leads to the formation of small amounts of (R)-ethyl 2-methylbutanoate. PubMed: Simultaneous enantioseparation of flobufen and its diastereomeric metabolites on ULMO, a Pirkle type chiral stationary phase. PubMed: Enantiomeric synthesis of (S)-2-methylbutanoic acid methyl ester, apple flavor, using lipases in organic solvent. PubMed: Components of the ether-insoluble resin glycoside-like fraction from Cuscuta chinensis. PubMed: Separation of the stereoisomers of the main metabolite of a non-steroidal anti-inflammatory drug, flobufen, by chiral high-performance liquid chromatography. PubMed: Branched-chain fatty acid requirement for avermectin production by a mutant of Streptomyces avermitilis lacking branched-chain 2-oxo acid dehydrogenase activity. PubMed: Stereoselectivity in the 2-methylbutyrate incorporation into anteiso fatty acids in Bacillus subtilis mutants. PubMed: Synthesis of stereoisomers of 8-methyl-2-decanol and esters attractive to severalDiabrotica sp. PubMed: Use of predator odors as repellents to reduce feeding damage by herbivores : I. Snowshoe hares (Lepus americanus). PubMed: Stereoselectivity of 1-aminocyclopropanecarboxylate malonyltransferase toward stereoisomers of 1-amino-2-ethylcyclopropanecarboxylic acid. PubMed: Studies of the glycine metabolism in a patient with D-glyceric acidemia and hyperglycinemia. PubMed: Demonstration of a new mammalian isoleucine catabolic pathway yielding an Rseries of metabolites. PubMed: Volatile fatty acid requirements of cellulolytic rumen bacteria.