What is HSN Code 28371990?
HSN code 28371990 is the Harmonized System of Nomenclature classification for Cyanides, Cyanide Oxides And Complex Cyanides under India's Goods and Services Tax (GST). It is a 8-digit code sitting at the tariff item (8-digit) level of the HSN hierarchy.
This code belongs to Chapter 28 — Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious…, which is part of Section VI: Chemical Products. Every GST-registered business supplying cyanides, cyanide oxides and complex cyanides must quote HSN 28371990 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.