رقم التسجيل في قاعدة بيانات CAS

CAS 64285-73-0 — 3,3,5,5-Tetramethylbenzidine dihydrochloride hydrate

3,3,5,5-Tetramethylbenzidine dihydrochloride hydrate is a high-purity organic compound widely used as a chromogenic substrate in biochemical assays, particularly in ELISA tests and immunohistochemistry for detecting peroxidase activity. Its precise colorimetric response makes it essential for sensitive detection protocols. This chemical has a CAS number of 64285-73-0 and carries no signal word under CLP/GHS classification, indicating low acute hazard. It is supplied as a white to off-white crystalline solid, typically with a purity of ≥98.0% (HPLC). Molekula supplies 3,3,5,5-Tetramethylbenzidine dihydrochloride hydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.