CAS: 308068-56-6 Molecular Formula: CH4 Molecular Weight (g/mol): 16.043 MDL Number: MFCD00151408 InChI Key: VNWKTOKETHGBQD-UHFFFAOYSA-N Synonym: methyl hydride,marsh gas,biogas,fire damp,r 50 refrigerant,methan,metano,hsdb 167,in gaseus state,tetrahydridocarbon PubChem CID: 297 ChEBI: CHEBI:16183 IUPAC Name: methane SMILES: C