CAS Registry Number
CAS 1657-16-5 — Pigment Yellow 4
CAS 1657-16-5
C16H14N4O4
MW 326.31
Pigment Yellow 4 is a synthetic organic pigment used in coatings, plastics, and inks for its bright yellow color and good lightfastness. It has a CAS number of 1657-16-5, a molecular formula of C16H14N4O4, and a molecular weight of 326.31 g/mol. It is stable at ambient storage conditions and carries no signal word. Molekula supplies Pigment Yellow 4 from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Molekula products for CAS 1657-16-5
Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.