53498-48-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53498-48-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,4,9 and 8 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 53498-48:
(7*5)+(6*3)+(5*4)+(4*9)+(3*8)+(2*4)+(1*8)=149
149 % 10 = 9
So 53498-48-9 is a valid CAS Registry Number.
53498-48-9Relevant articles and documents
Process for preparing vinyl substituted beta-diketones
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Page/Page column 7, (2008/06/13)
A process for preparing vinyl substituted beta-diketones includes reacting a halogen-containing beta-diketone with an olefin in a reaction zone under Heck coupling reaction conditions in the presence of a catalyst, a base, and an organic phosphine to provide a vinyl substituted beta-diketone product.