Methocarbamol is a central muscle relaxant used to treat skeletal muscle spasms. Under the trade name Robax, it is marketed by Actient Pharmaceuticals in the United States and Pfizer in Canada. The mechanism of action of methocarbamol is currently unknown, but may involve the inhibition of carbonic anhydrase.[2] The muscle relaxant effects of methocarbamol are largely attributed to central depressant effects;[3] however, peripheral effects of methocarbamol to prolong muscle refractory period have also been reported.[4]
Starting at
(RS)-2-hydroxy-3-(2-methoxyphenoxy)propyl |
AHFS/Drugs.com | monograph |
MedlinePlus | a682579 |
Pregnancy category |
AU: B2 |
Legal status |
CA: OTC US: ℞-only |
Routes of administration |
Oral, intravenous |
Metabolism | Hepatic |
Biological half-life | 1.14–1.24 hours[1] |
CAS Number | 532-03-6 |
ATC code | M03BA03 |
PubChem | CID: 4107 |
IUPHAR/BPS | 6829 |
DrugBank | DB00423 |
ChemSpider | 3964 |
UNII | 125OD7737X |
KEGG | D00402 |
ChEBI | CHEBI:6832 |
ChEMBL | CHEMBL1201117 |
Formula | C11H15NO5 |
Molecular mass | 241.241 g/mol |
SMILES[show] |
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InChI[show] |
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