C8H9Br2NO5S
391.04 g/mol
Pharmaceutical IntermediateDanger
6,6-Dibromopenicillanic acid sulfone
CAS76646-91-8EC427-200-4
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
6,6-Dibromopenicillanic acid sulfone is a chemical compound used as an intermediate in the production of beta-lactam derivatives. Its structure features a fused bicyclic ring system with bromine atoms and a sulfone group.
Pharmaceutical intermediate for beta-lactam derivatives
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.
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Iodomethyl (2S,5R)-3,3-dimethyl-4,4,7-trioxo-4lambda6-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate
CAS76247-39-7
pharmaceutical intermediate
Safety Reference
Danger
H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H318Causes serious eye damage
Customs Tariff Classification
The international HS code for 6,6-Dibromopenicillanic acid sulfone (CAS 76646-91-8) is 2934.99.
HS code (international, 6-digit)
2934.99
EU CN code (8-digit)
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.
Identifiers
IUPAC Name
(2S,5R)-6,6-dibromo-3,3-dimethyl-4,4,7-trioxo-4lambda6-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
InChIKey
DZYBRGUNKNPEKM-BBIVZNJYSA-N
SMILES
CC1([C@@H](N2[C@H](S1(=O)=O)C(C2=O)(Br)Br)C(=O)O)C
Synonyms (12)
- (2S,5R)-6,6-dibromo-3,3-dimethyl-7-oxo-4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 4,4-dioxide; 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6,6-dibromo-3,3-dimethyl-7-oxo-, 4,4-dioxide, (2S-cis)-; 6,6-Dibromopenicillanic acid 1,1-dioxide; 6,6-Dibromopenicillanic acid S,S-dioxide; Sulbactam EP Impurity E
- SULBACTAM SODIUM IMPURITY E (EP IMPURITY)
- Sulbactam EP Impurity E
- SULBACTAM SODIUM IMPURITY E
Sourcing 6,6-Dibromopenicillanic acid sulfone?
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