HSN Code 2929 refers to "Compounds with other nitrogen function (excluding amine-function compounds; oxygen-function amino-compounds; quaternary ammonium salts and hydroxides; lecithin and other phosphoaminolipids; carboxyamide-function compounds; amide-function compounds of carbonic acid; carboxyimide-function, imine-function or nitrile-function compounds; diazo-, azo- or azoxy-compounds; organic derivatives of hydrazine or of hydroxylamine)." This classification code is essential for identifying specific nitrogen-containing compounds for import/export purposes based on their chemical structure and intended applications. Common products under HSN Code 2929 include various nitrogen function compounds used in pharmaceuticals, agrochemicals, and specialty chemicals. Additionally, the GST rate for these compounds under this code supports accurate trade compliance.