6-Acetylmethylenepenicillanic acid structure

6-Acetylmethylenepenicillanic acid

(2S,5R,6E)-3,3-dimethyl-7-oxo-6-(2-oxopropylidene)-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

Also Known As: 6-Acetylmethylenepenicillanic acid|Ro-15-1903|Ro 15-1903|(2S,5R,6E)-3,3-dimethyl-7-oxo-6-(2-oxopropylidene)-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid|(2S,5R)-3,3-dimethyl-7-oxo-6-(2-oxopropylidene)-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid|4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-6-(2-oxopropylidene)-, (2S-cis)-

CAS: 83151-26-2
Molecular Formula C11H13NO4S
Molecular Weight 255.05653 g/mol
LogP 0.6487
Topological Polar Surface Area 74.68 Ų
Hydrogen Bond Donors 1
Hydrogen Bond Acceptors 4
Rotatable Bonds 2
Exact Mass 255.05653
Monoisotopic Mass 255.05653
Heavy Atoms 17
Complexity 454.3878

Chemical Identifiers

CAS Number 83151-26-2
SMILES CC(=O)/C=C\1/[C@@H]2N(C1=O)[C@H](C(S2)(C)C)C(=O)O

Product Overview

6-Acetylmethylenepenicillanic acid (CAS 83151-26-2), with molecular formula C11H13NO4S and molecular weight 255.05653 g/mol. IUPAC: (2S,5R,6E)-3,3-dimethyl-7-oxo-6-(2-oxopropylidene)-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.
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