CAS Number 109-99-9 is the registry number for Tetrahydrofuran (THF) (C₄H₈O, MW 72.11 g/mol). Highly flammable (Class 3).
| CAS Number | 109-99-9 |
| Chemical Name | Tetrahydrofuran (THF) |
| Molecular Formula | C₄H₈O |
| Molecular Weight | 72.11 g/mol |
| Category | Solvent |
| Available Grades | Inhibited/Anhydrous |
Oxolane · Tetrahydrofuranne · Butylene oxide · THF