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Sodium (S)-β-hydroxyisobutyrate

SIGMA/16842 - ≥96.0%

Synonym: (S)-β-Hydroxy-isobutyric acid sodium salt; (S)-3-Hydroxy-2-methylpropionic acid sodium salt; S-HIBA; R-β-HIBA-Na; Sodium (S)-3-hydroxy-2-methylpropionate

CAS Number: 1893416-17-5; 26543-05-5 (free acid)
Empirical Formula (Hill Notation): C4H7NaO3
Molecular Weight: 126.09
MDL Number: MFCD17215930
Linear Formula: C4H7NaO3
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-16842-100MG 100 mg
 $242.00
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assay ≥96.0%
  ≥96.0% (GC)
composition sodium, 17.5-19.0%
InChI 1S/C4H8O3.Na/c1-3(2-5)4(6)7;/h3,5H,2H2,1H3,(H,6,7);/q;+1/p-1/t3-;/m0./s1
InChI key RBJZIQZDAZLXEK-DFWYDOINSA-M
optical purity enantiomeric excess: ≥98.0%
Quality Level 100 
SMILES string [Na+].C[C@@H](CO)C([O-])=O
storage temp. 2-8°C
Application: 3-Hydroxyisobutyrate (HIBA) may be used to study the distribution, characterization and kinetics of enzymes involved in branched chain amino acid metabolism such as 3-hydroxyisobutyrate dehydrogenase (EC: 1.1.1.31) and 3-hydroxyisobutyryl-CoA hydrolase (EC: 3.1.2.4). (S)-β-hydroxyisobutyrate may be used in stereospecific studies.
Biochem/physiol Actions: Metabolite in valine, leucine and isoleucine degradation, a reactant of enzymes 3-hydroxyisobutyrate dehydrogenase (EC: 1.1.1.31), 3-hydroxyacyl-CoA dehydrogenase (EC: 1.1.1.35) and 3-hydroxyisobutyryl-CoA hydrolase (EC: 3.1.2.4). Enantiomeric ratio can be used in diagnosis of metabolic diseases, e.g. 3-hydroxyisobutyric aciduria.
Packaging: Bottomless glass bottle. Contents are inside inserted fused cone.
RIDADR NONH for all modes of transport
WGK Germany WGK 3
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Purity ≥96.0% (GC); ≥96.0%
Storage Temp. 2-8°C
UNSPSC 12352200

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