rac α-Methyl DOPA
- CAS55-40-3
- CatalogueRS-U080811
- FormulaC10H13NO4
- MW211.22
On this page
Product identification
| Product name | rac α-Methyl DOPA |
|---|---|
| Catalogue No. | RS-U080811 |
| CAS No. | 55-40-3 |
| Molecular formula | C10H13NO4 |
| Molecular weight | 211.22 |
| Availability | In stock— dispatched in about 1–2 weeks |
| Standard type | Fine Chemicals |
| Drug substance | Methyldopa |
| Also known as | DL-Methyldopa; Racemate Methyldopa |
| Storage | Hygroscopic, 2-8°C Refrigerator, Under Inert Atmosphere |
| Intended use | For laboratory and research use only. Not for human or veterinary use. |
What is stated on the certificate
Content and purity are assigned per lot and stated on the certificate of analysis issued for the batch you receive — they are not a catalogue-level figure. The certificate records the tests performed, the specification applied and the result obtained for that lot.
| Field | Basis |
|---|---|
| Identity | Spectroscopic and chromatographic methods appropriate to the material |
| Purity | Chromatographic purity, area normalisation unless stated otherwise |
| Assay / content | Mass balance, corrected for the stated volatiles and residue |
| Catalogue and batch numbers | RS-U080811 / batch number on the certificate |
| Retest date | Printed on the certificate for the lot supplied |
Frequently asked
What documentation is supplied with this lot?
Is the assigned value given on an “as is” basis?
How should this material be stored?
Do you supply pack sizes other than those listed?
Finding this standard
Buyers reach this compound by CAS number, by catalogue number, through the drug substance it belongs to, or through the type of standard it is. Those routes all start here:
- Other impurities of Methyldopa
- Fine Chemicals of this kind
- Documents for this item (COA, SDS)
- Certificate of analysis for RS-U080811
- Request a quotation for RS-U080811
Searching another way? Send the structure, a SMILES string or the pharmacopoeial name — a CAS number is not required for a non-compendial impurity. Write to sales@rssechem.com.
Other standards of Methyldopa
All 29 further standards are listed here — every link is in the page, not loaded later.
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(-)-α-Methyldopa Hydrochloride
BACK ORDERRS-U094818 -
Methyldopa
IN STOCKRS-M069032 -
Methyldopa EP Impurity A
IN STOCKRS-M069014 -
Methyldopa EP Impurity B
IN STOCKRS-M069013 -
Methyldopa EP Impurity C
IN STOCKRS-M069003 -
Methyldopa EP Impurity D
IN STOCKRS-M069010 -
Methyldopa EP Impurity D HCl (Carbidopa Impurity 3 HCl)
IN STOCKRS-M069001 -
Methyldopa Impurity 5(Methyldopa EP Impurity B Racemate)
IN STOCKRS-M069015 -
1-(3,4-Dimethoxy-2-methylphenyl)propan-2-one
BACK ORDERRS-U004AFR -
2-amino-3-(3,4-dimethoxyphenyl)-2-methylpropanoic acid
IN STOCKRS-U211FPJ -
2-Amino-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoic Acid
IN STOCKRS-P018325 -
Alpha-methyldopa-mono-O-sulfate
IN STOCKRS-M069018 -
L-α-Methyl DOPA Dimethyl Ether Hydrochloride
IN STOCKRS-U017476 -
Methyldopamine
IN STOCKRS-M069017 -
N-Methyl-L-DOPA-d3
BACK ORDERRS-I091287 -
O,a-Dimethyl-L-tyrosine Hydrochloride
IN STOCKRS-M069002 -
Methyldopa Impurity 9
CUSTOM SYNTHESISRS-M069016 -
Methyldopa Impurity 9
IN STOCKRS-Z397D54 -
Methyldopa Impurity 10
CUSTOM SYNTHESISRS-Z399EX8 -
Methyldopa Impurity 12
IN STOCKRS-M069004 -
Methyldopa Impurity 13
IN STOCKRS-M069011 -
Methyldopa Impurity 13
CUSTOM SYNTHESISRS-Z396UNG -
Methyldopa Impurity 19
CUSTOM SYNTHESISRS-M069008 -
Methyldopa Impurity 21
CUSTOM SYNTHESISRS-M069005 -
Methyldopa Impurity 22
IN STOCKRS-M069006 -
Methyldopa Impurity 23
IN STOCKRS-M069007 -
Methyldopa Impurity 24
IN STOCKRS-M069009 -
Methyldopa Impurity 25
IN STOCKRS-M069019 -
Methyldopa Impurity 26
CUSTOM SYNTHESISRS-M069024
Pharmacopoeial names (EP, USP, BP, JP) are used for identification purposes only and do not imply endorsement by those bodies. This product is supplied for laboratory and research use only — not for human or veterinary use.




























