1605 HSN Code: Amide-function compounds

HSN Sub Chapter 1605 represents Amide-function compounds under GST classification. This code helps businesses identify Amide-function compounds correctly for billing, taxation, and trade. With HSN Sub Chapter 1605, companies can avoid errors in invoices, simplify compliance, and enable hassle-free import/export of Amide-function compounds.

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Chapter No	HSN Code	HSN Description	New GST Rate	Old GST Rate
16	1605	Crustaceans, molluscs and other aquatic invertebrates, prepared or preserved	5%	12%

HSN Code 1605

Chapter: 16

Description: Crustaceans, molluscs and other aquatic invertebrates, prepared or preserved

New GST Rate: 5% Old GST Rate: 12%

Tariff HSN	Description
16051000	Crab
16052100	Shrimps and prawns : Not in airtight container
16052900	Shrimps and prawns : Other
16053000	Lobster
16054000	Other crustaceans
16055100	Molluscs : Oysters
16055200	Molluscs : Scallops, including queen scallops
16055300	Molluscs : Mussels
16055400	Molluscs : Cuttle fish and squid
16055500	Molluscs : Octopus
16055600	Molluscs : Clams, cockles and arkshells
16055700	Molluscs : Abalone
16055800	Molluscs : Snails, other than sea snails
16055900	Molluscs : Other
16056100	Other aquatic invertebrates : Sea cucumbers
16056200	Other aquatic invertebrates : Sea urchins
16056300	Other aquatic invertebrates : Jellyfish
16056900	Other aquatic invertebrates : Other

HSN Code 16051000

Crab

HSN Code 16052100

Shrimps and prawns : Not in airtight container

HSN Code 16052900

Shrimps and prawns : Other

HSN Code 16053000

Lobster

HSN Code 16054000

Other crustaceans

HSN Code 16055100

Molluscs : Oysters

HSN Code 16055200

Molluscs : Scallops, including queen scallops

HSN Code 16055300

Molluscs : Mussels

HSN Code 16055400

Molluscs : Cuttle fish and squid

HSN Code 16055500

Molluscs : Octopus

HSN Code 16055600

Molluscs : Clams, cockles and arkshells

HSN Code 16055700

Molluscs : Abalone

HSN Code 16055800

Molluscs : Snails, other than sea snails

HSN Code 16055900

Molluscs : Other

HSN Code 16056100

Other aquatic invertebrates : Sea cucumbers

HSN Code 16056200

Other aquatic invertebrates : Sea urchins

HSN Code 16056300

Other aquatic invertebrates : Jellyfish

HSN Code 16056900

Other aquatic invertebrates : Other

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What products are classified under HSN 1605

It includes Amide-function compounds

If I repair and return Amide-function compounds, how should I charge GST?

Repair/service is a service supply (SAC). Parts and materials used are goods and may be billed separately with HSN. Mention both lines clearly to avoid mixing service and goods values.

How do I bill a kit or combo that includes Amide-function compounds?

Prefer separate lines per item with its HSN so each component follows its own tax treatment. If it is a naturally bundled supply, identify the principal supply and tax the whole bundle accordingly.

Can reverse charge ever apply to transactions involving Amide-function compounds?

Reverse charge in goods is notified only for specific categories. Most regular B2B sales of Amide-function compounds are forward charge. Check the current notifications for any special cases before deciding.

How should I document Amide-function compounds sent for job work?

Use a delivery challan for sending Amide-function compounds to the job worker. Declare movement in your records and reconcile when the goods return. If the job worker raises a service invoice, classify it under SAC; your goods remain under the original HSN.

Any special steps when selling Amide-function compounds through an e‑commerce platform?

Ensure registration requirements are met and reconcile the operator’s TCS statements with your GSTR‑2B/3B. Map SKU descriptions to HSN to reduce mismatches and returns.

Important Disclaimer

The above does not constitute professional advice or a formal recommendation. We recommend consulting a professional tax consultant before acting on the information contained in this piece of content.

Explore More HSN Codes from Chapter 16

Sub Chapters:

HSN Code 1601 | HSN Code 1602 | HSN Code 1603 | HSN Code 1604 | HSN Code 1605

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