CAS Registry Number

CAS 18711-13-2 — 4,7-Dichloroisatin

4,7-Dichloroisatin is a halogenated indole derivative commonly used as a synthetic intermediate in organic chemistry, particularly in the preparation of dyes, pigments, and pharmaceuticals. It serves as a key building block in heterocyclic chemistry and is valued for its reactivity in functionalization reactions. This chemical has a CAS number of 18711-13-2, a molecular formula of C8H3Cl2NO2, and a molecular weight of 216.02092 g/mol. It is stable under ambient storage conditions, with no signal word indicated for hazard classification. Molekula supplies 4,7-Dichloroisatin from research to bulk quantities with full documentation and ISO 9001:2015 traceability.