CAS Registry Number

CAS 917-92-0 — 3,3-Dimethyl-1-butyne

3,3-Dimethyl-1-butyne is a branched alkyne used as a key intermediate in organic synthesis, particularly for preparing pharmaceuticals, agrochemicals, and specialty polymers. It serves as a versatile building block in reactions like cyclization and cross-coupling. This clear, colorless liquid has a boiling point of 68–70 °C and a purity of ≥98.0% (GC). It is non-hazardous under normal conditions, with no signal word required. Molekula supplies 3,3-Dimethyl-1-butyne from research to bulk quantities with full documentation and ISO 9001:2015 traceability.