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HS code reference

HS Code for Allobarbital (INN), amobarbital (INN), barbital (INN), butalbital (INN), butobar: 2933.53

Allobarbital (INN), amobarbital (INN), barbital (INN), butalbital (INN), butobarbital, cyclobarbital (INN), methylphenobarbital (INN), pentobarbital (INN), phenobarbital (INN), secbutabarbital (INN), secobarbital (INN) and vinylbital (INN); salts thereof

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2933.53

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Estimates are for planning only. Confirm final classification and rates with a licensed customs broker or the relevant customs authority.

Review Notes

Classification boundary

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Quote workflow

Estimate first, then confirm with official tariff or broker

Is 2933.53 always the HS code for Allobarbital (INN), amobarbital (INN), barbital (INN), butalbital (INN), butobar?

Allobarbital (INN), amobarbital (INN), barbital (INN), butalbital (INN), butobar can be reviewed from 2933.53, but the final code depends on full product details, material, use, and destination tariff rules.

How do I estimate US import cost with this code?

Use the tariff calculator with origin, customs value, freight, and insurance to estimate landed cost.

Is this a binding classification opinion?

No. This page is for pre-quote planning and does not replace customs rulings, official tariff data, or licensed broker advice.

Related HS code pages

2933.11

Heterocyclic compounds

Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, phenazone (antipyrin) and its derivatives

2933.19

Heterocyclic compounds

Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, other than henazone (antipyrin) and its derivatives

2933.21

Heterocyclic compounds

Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused imidazole ring (whether or not hydrogenated) in the structure, hydantoin and its derivatives

2933.29

Heterocyclic compounds

Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused imidazole ring (whether or not hydrogenated) in the structure, other than hydantoin and its derivatives