Carisoprodol
A carbamate ester that is the mono-N-isopropyl derivative of meprobamate (which is a significant metabolite). Carisoprodol interrupts neuronal communication within the reticular formation and spinal cord, resulting in sedation and alteration in pain perception. It is used as a muscle relaxant in the symptomatic treatment of musculoskeletal conditions associated with painful muscle spasm. — ChEBI
Safety documents & references
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Identity & molecular properties
Source-linked values| CAS number | 78-44-4 | ChEBI ↗ |
| Molecular formula | C12H24N2O4 | ChEBI ↗ |
| Molar mass | 260.334 g/mol | ChEBI ↗ |
| Monoisotopic mass | 260.17361 Da | ChEBI ↗ |
| Formal charge | 0 | ChEBI ↗ |
| ChEBI identifier | CHEBI:3419 | ChEBI ↗ |
Cross-source molecular data
PubChem| Molar mass | 260.33 g/mol | PubChem ↗ |
| Exact mass | 260.17360725 Da | PubChem ↗ |
| Computed XLogP | 1.9 | PubChem ↗ |
| Topological polar surface area (Ų) | 90.7 | PubChem ↗ |
| H-bond donors | 2 | PubChem ↗ |
| H-bond acceptors | 4 | PubChem ↗ |
| Rotatable bonds | 9 | PubChem ↗ |
PubChem computed values are shown separately from the ChEBI record. An exact InChIKey match was used to connect the records. Molecular descriptors do not describe a supplied product’s purity, particle size or performance.
Names & structural identifiers
Copy any identifiercarisoprodol2-[(carbamoyloxy)methyl]-2-methylpentyl propan-2-ylcarbamateOFZCIYFFPZCNJE-UHFFFAOYSA-NCCCC(C)(COC(N)=O)COC(=O)NC(C)CInChI=1S/C12H24N2O4/c1-5-6-12(4,7-17-10(13)15)8-18-11(16)14-9(2)3/h9H,5-8H2,1-4H3,(H2,13,15)(H,14,16)Names & synonyms
Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.
Classification & relationships
ChEBI ontologyRoles recorded in ChEBI
Database role annotations describe reported biological or chemical roles; they are not product approvals or recommendations for use.
Mass ↔ amount of substance
Calculated from sourced massUses 260.334 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
Elemental composition
Theoretical mass fractionsCONHCalculated theoretical mass fractions from the reported formula and PubChem periodic-table atomic masses. These are not assay or purity results.
Research & patent references
Selected source associationsSources & record history
Checked 27 Sep 2026Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0
PubCAS formats source data, connects references and computes explicitly labelled conversions. CAS cross-references are supplied by ChEBI; they do not constitute CAS verification or endorsement.