Safety Reference
Danger
H302Harmful if swallowed
H317May cause an allergic skin reaction
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H351
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
CAS 389-08-2
Somatostatin
pharmaceutical raw material
Nalidixic acid is the first synthetic quinolone antibiotic, used as an active pharmaceutical ingredient in manufacturing.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
The international HS code for Nalidixic acid (CAS 389-08-2) is 2933.99.
2933.99
2933 99 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
1-ethyl-7-methyl-4-oxo-1,8-naphthyridine-3-carboxylic acid
MHWLWQUZZRMNGJ-UHFFFAOYSA-N
CCN1C=C(C(=O)C2=C1N=C(C=C2)C)C(=O)O