Molecular properties
- Formula
- C19H40
- Molar mass
- 268.53 g·mol−1
- Exact mass
- 268.3130 Da
- 0
- PubChem CID
- 110905
Molecule record
3-methyloctadecane
C19H40
268.53 g/mol
Loading structure
Functional groups
Alkane / alkyl carbon
Physical properties
No source-backed physical properties are curated for this molecule yet.
Common names and synonyms
- 3-methyl-octadecane
- 6561-44-0
- CHEBI:88669
- DTXCID701411403
- DTXSID10984185
- Octadecane, 3-methyl-
- Q27160552
- RefChem:1068317
Show all 15 synonyms
- SCHEMBL102070
- SCHEMBL103793
- SCHEMBL10583118
- SCHEMBL10583127
- SCHEMBL20640390
- SCHEMBL5984394
- SCHEMBL6764066
Structure identifiers
- Canonical SMILES
- CCCCCCCCCCCCCCCC(C)CC
- Isomeric SMILES
- CCCCCCCCCCCCCCCC(C)CC
- InChI
- InChI=1S/C19H40/c1-4-6-7-8-9-10-11-12-13-14-15-16-17-18-19(3)5-2/h19H,4-18H2,1-3H3
- InChIKey
- PGZRTPKNSFMAOP-UHFFFAOYSA-N
- PubChem CID
- 110905
Spectroscopy
Tabs appear only for spectra stored with clear provenance.
No redistributable or simulated spectroscopy record is attached yet.
Simulated NMR
On-demand educational prediction for 3-methyloctadecane; not experimental data.
Simulated EI mass spectrum
On-demand educational fragmentation for 3-methyloctadecane; not experimental data.
Sources
Molecule identity
Retrieved 8/20/2026. Reuse status is summarized by the badge; open the source for full details.