Safety Reference
Danger
H317May cause an allergic skin reaction
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
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pharmaceutical intermediate
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This compound is a pharmaceutical intermediate used in the manufacturing of cephalosporin antibiotics. Its structure features a bicyclic core with an amino group and a carboxylic acid group, characteristic of cephalosporin precursors.
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 (6R,7R)-7-amino-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (CAS 79349-82-9) is 2934.99.
2934.99
2934 99 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
(6R,7R)-7-amino-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
GQLGFBRMCCVQLU-SVGQVSJJSA-N
C=CC1=C(N2[C@@H]([C@@H](C2=O)N)SC1)C(=O)O