2H-1-Benzopyran-2-one

          cas no 103802-83-1 is 2H-1-Benzopyran-2-one      
Cas No|Cas Number|CAS Registry Number:103802-83-1 .
Chemical Name|Molecular Name:2H-1-Benzopyran-2-one
Formula:C9H6O2
Synonyms:
Molecular Weight:146.143
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