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324922 Sigma-Aldrich

(−)-Methyl (S)-3-bromo-2-methylpropionate

97%

Synonym: (−)-Methyl (S)-β-bromoisobutyrate

  • CAS Number 98190-85-3

  • Linear Formula BrCH2CH(CH3)CO2CH3

  • Molecular Weight 181.03

  •  Beilstein/REAXYS Number 1720832

  •  MDL number MFCD00064487

  •  PubChem Substance ID 24859479

  •  NACRES NA.22

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Properties

Related Categories Asymmetric Synthesis, Chemical Synthesis, Chiral Building Blocks, Esters, Organic Building Blocks More...
assay   97%
optical activity   [α]20/D −23 to −16°, c = 5 neat
optical purity   ee: 99% (GLC)
refractive index   n20/D 1.455 (lit.)
bp   97.5-98.5 °C/62 mmHg (lit.)
density   1.422 g/mL at 25 °C (lit.)
SMILES string   COC(=O)[C@H](C)CBr
InChI   1S/C5H9BrO2/c1-4(3-6)5(7)8-2/h4H,3H2,1-2H3/t4-/m1/s1
InChI key   FKWNAVCXZSQYTA-SCSAIBSYSA-N

Description

Application

(−)-Methyl (S)-3-bromo-2-methylpropionate can be used:
• As a reference substrate in the alkylation reactions of vitamin B12 derivatives.
• As a starting material in the preparation of biologically significant 3-[(2H-1,2,4-benzothiadiazine-1,1-dioxide-3-yl)thio]-2-methylpropanoic acids.

Packaging

5 g in glass bottle

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Target organs 
Respiratory system
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
Flash Point(F) 
163.4 °F - closed cup
Flash Point(C) 
73 °C - closed cup
Protocols & Articles
Peer-Reviewed Papers
15

References

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