Catalogue Number: | D-3227 |
Compound Name: | Levodopa Impurity 4 |
Synonyms: | 5,6-Dihydroxy-1H-indole-2-carboxylic acid |
CAS#: | 4790-08-3 |
Alternate CAS#: | |
Molecular Formula: | C9H7NO4 |
Molecular Weight: | 193.16 |
Carbidopa USP Related Compound A (rac-Carbidopa EP Impurity C)
CAS No. 85933-19-3
C11H16N2O4
M.W. 240.26
Methyldopa EP Impurity D HCl (Carbidopa Impurity 3 HCl)
CAS No. 1369423-51-7; 2799-15-7 (free base)
C10H13NO4. HCl
M.W. 211.22 36.46