Methyldopa

Methyldopa Methyldopa:

L-Methyldopa Sesquihydrate ; (2S)-2-Amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoic acid sesquihydrate ; CAS : 41372-08-1 ; C10H13NO4 ; MW: 211.21 ;
Methyldopa EP Impurity A Methyldopa Impurity A:

3-O-Methyl Methyldopa ; (2S)-2-Amino-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoic acid ; CAS : 6739-31-7 ; C11H15NO4 ; MW: 225.24 ;
Methyldopa EP Impurity B Methyldopa Impurity B:

 

(S)-2-Amino-3-(4-methoxyphenyl)-2-methylpropanoic acid HCl ; CAS : 35026-10-9 ; C11H16ClNO3 ; MW: 245.70 ;
Methyldopa EP Impurity B Racemate Methyldopa Impurity B Racemate:

 

2-Amino-3-(4-methoxyphenyl)-2-methylpropanoic acid ; CAS : 7383-30-4 ; C11H15NO3 ; MW: 209.24 ;
Methyldopa EP Impurity C Methyldopa Impurity C:

 

(2S)-2-Amino-3-(3,4-dimethoxyphenyl)-2-methylpropanoic acid HCl ;  CAS : 5486-79-3 (HCl) ; CAS : 39948-18-0 (base) ; C12H17NO4 ; MW: 239.27 ;
Methyldopa EP Impurity D Methyldopa Impurity D:

 

(2R)-2-Amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoic acid ;

CAS : 2799-15-7 ; C10H13NO4 ; MW: 211.21 ;