CAS Registry Number

CAS 610-81-1 — 4-Amino-3-nitrophenol

4-Amino-3-nitrophenol (CAS 610-81-1) is an organic compound featuring an amino group and a nitro substituent on a phenolic core, primarily used as a precursor in dye synthesis, pharmaceutical intermediates, and analytical chemistry applications. It appears as a yellow to orange crystalline solid with a molecular formula of H2NC6H3(NO2)OH and a molecular weight of 154.12 g/mol. Store at ambient temperature, handling with caution—it carries a "Warning" signal word for potential irritation or toxicity. Molekula supplies 4-Amino-3-nitrophenol from research to bulk quantities with full documentation and ISO 9001:2015 traceability.