79639-97-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79639-97-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,6,3 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 79639-97:
(7*7)+(6*9)+(5*6)+(4*3)+(3*9)+(2*9)+(1*7)=197
197 % 10 = 7
So 79639-97-7 is a valid CAS Registry Number.
79639-97-7Relevant articles and documents
Electrophilic cyclization of an olefinic β-keto ester
Alderdice, Margot,Weiler, Larry
, p. 2239 - 2242 (2007/10/02)
Benzeneselenenyl chloride and aluminum chloride or benzenesulphenyl chloride and silica gel initiate an electrophilic cyclization of methyl 7-methyl-3-oxo-7-octenoate to cyclohexyl derivatives.These products of the cyclization reaction have been converted