Glycine betaine

Summary
2-bromoiso is an important pharmaceutical intermediate, which is mainly used in the synthesis of antibacterial ceftazidime.
Alias: 
Betaine anhydrous; (trimethylammonio)acetate; carboxy-N,N,N-trimethylmethanaminium; (trimethylammonio)acetate-glycine (1:1); Glycine betaine
CAS #: 107-43-7
Molecular formula: C₅H₁₁NO₂
Molecular weight: 117.14600
Precise quality: 117.07900 
To use：as food and feed addtive 

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Next： tert-butyl alpha-bromoisobutyrate