HSN CODE - 30042091 : ISONIAZID

Harmonised System of Nomenclature (HSN Codes) 30042091 are used for the ISONIAZID products under Goods and Service Tax classification.

India was originally using 6 digit HSN codes to classify commodities but later two more digits were added to make the codes more precise, resulting in an 8 digit classification.

Understanding HSN Code 30042091

First two digits (30) represent the chapter number which is Chapter 30 - Pharmaceutical products

Next two digits (04) represent the heading number which is UNSATURATED ACYCLIC MONOCARBOXYLIC ACIDS, CYCLIC MONOCARBOXYLIC ACIDS, THEIR ANHYDRIDES, HALIDES, PEROXIDES AND PEROXYACIDS; THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES

Next two digits (20) represent the product code which is Other

Last two digits (91) are for final or deeper classification which is ISONIAZID

All 8 digits of HSN code is mandatory for export & imports for tax invoice of GST.