CAS Registry Number

CAS 603-76-9 — 1-Methylindole

1-Methylindole is an organic compound belonging to the indole family, characterized by a bicyclic structure featuring a pyrrole ring fused to a benzene ring with a methyl group attached. It is primarily used in chemical synthesis, as a precursor for pharmaceuticals, agrochemicals, and specialty chemicals, and serves as a solvent or intermediate in organic reactions. It is also found naturally in trace amounts in tobacco smoke and some plant extracts. This chemical has a CAS number of 603-76-9, with no signal word classification under GHS. It appears as a pale yellow to colorless liquid with a floral odor, soluble in organic solvents but insoluble in water. Its molecular formula is C9H9N, with a molecular weight of approximately 131.18 g/mol. Molekula supplies 1-Methylindole from research to bulk quantities with full documentation and ISO 9001:2015 traceability.