About HSN Code 38123100

HSN Code 38123100 covers Mixtures of oligomers of 2, 2, 4-trimethyl-1, 2-dihydroquinoline (TMQ) and attracts a GST rate of 18%. For intra-state supplies, this is split as 9% CGST + 9% SGST. For inter-state supplies, 18% IGST is charged.

How to Use HSN Code 38123100 on GST Invoices

• Include the HSN code 38123100 on every GST invoice for mixtures of oligomers of 2, 2, 4-trimethyl-1, 2-dihydroquinoline (tmq)
• Businesses with turnover above ₹5 crore must use 6-digit HSN codes
• Turnover between ₹1.5–5 crore: 4-digit codes are sufficient
• The HSN code must match the product/service description on your invoice
• Incorrect HSN codes can lead to GST notices and ITC mismatches

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