CAS Registry Number

CAS 3437-95-4 — 2-Iodothiophene

2-Iodothiophene is an organosulfur compound featuring an iodine substituent on the thiophene ring, widely used in organic synthesis, pharmaceutical intermediates, and materials science for its reactivity in coupling reactions. This high-purity chemical has a CAS number of 3437-95-4, a molecular formula of C4H3IS, and a molecular weight of 210.04 g/mol. It must be stored between 2–8°C and carries a **Danger** signal word due to its hazardous properties. Molekula supplies 2-Iodothiophene from research to bulk quantities with full documentation and ISO 9001:2015 traceability.