Levodopa impurities and related standards
4 reference standards related to Levodopa held in the RSSE catalogue — pharmacopoeial impurities, non-compendial impurities, metabolites and labelled analogues where available.
CAS numbers are listed for 4 of 4; 4 entries carry a structure drawing.
| Compound | CAS No. | Catalogue No. | Formula | MW |
|---|---|---|---|---|
| Levodopa EP Impurity A | 27244-64-0 | RS-L073001 | C9H11NO5 | 213.19 |
| Levodopa impurity 3 | 27313-65-1 | RS-L073002 | C13H17NO5 | 267.28 |
| Levodopa impurity 1 | 4228-66-4 | RS-L073003 | C9H8O5 | 196.16 |
| Levodopa Impurity 4 | 4790-08-3 | RS-L073004 | C9H7NO4 | 193.16 |
Structures
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Levodopa EP Impurity A
COA per lot -
Levodopa impurity 3
COA per lot -
Levodopa impurity 1
COA per lot -
Levodopa Impurity 4
COA per lot
Cannot find the impurity you need? Non-compendial impurities can be quoted from a structure — a CAS number is not required. Write to [email protected].