HSN heading 3003 falls under Chapter 30 — pharmaceutical products. It breaks down into 10 sub-codes listed below.
Sub-codes under 3003 (10)
300310
CONTAINING PENICILLINS OR DERIVATIVES THEREOF, WITH A PENICILLANIC ACID STRUCTURE, OR STREPTOMYCINS OR THEIR DERIVATIVES
300320
OTHER, CONTAINING ANTIBIOTICS
300331
CONTAINING INSULIN
300339
OTHER
300341
CONTAINING EPHEDRINE OR ITS SALTS
300342
CONTAINING PSEUDOEPHEDRINE (INN) OR ITS SALTS
300343
CONTAINING NOREPHEDRINE OR ITS SALTS
300349
OTHER
300360
OTHER, CONTAINING ANTIMALARIAL ACTIVE PRINCIPLES DESCRIBED IN SUB-HEADING NOTE 2 TO THIS CHAPTER
300390
OTHER :
About HSN heading 3003
The 4-digit code 3003 is an HSN heading — a mid-level grouping that breaks down further into 6-digit sub-headings and 8-digit tariff items. Choose the most specific sub-code that matches your supply so the GST rate, e-invoice schema, and GSTR-1 HSN summary all line up correctly. It sits inside Chapter 30, which covers pharmaceutical products.