1132680-57-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1132680-57-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,2,6,8 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1132680-57:
(9*1)+(8*1)+(7*3)+(6*2)+(5*6)+(4*8)+(3*0)+(2*5)+(1*7)=129
129 % 10 = 9
So 1132680-57-9 is a valid CAS Registry Number.
1132680-57-9Relevant articles and documents
Reactions of polycyclic thioketones with a phosphonylated carbanion
Mloston, Grzegorz,Obijalska, Emilia,Urbaniak, Katarzyna,Heimgartner, Heinz
, p. 182 - 187 (2008)
Polycyclic, nonenolizable cycloaliphatic thioketones la and lb react smoothly with the lithium salt of diethyl methylphosphonate 7 in THF solution at -40°C to afford products of the carbophilic attack exclusively. Quenching of the obtained lithium thiolat