117939-84-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117939-84-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,9,3 and 9 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 117939-84:
(8*1)+(7*1)+(6*7)+(5*9)+(4*3)+(3*9)+(2*8)+(1*4)=161
161 % 10 = 1
So 117939-84-1 is a valid CAS Registry Number.
117939-84-1Relevant articles and documents
THE CHEMISTRY OF VICINAL TRICARBONYLS USE OF VINYL TRICARBONYL ESTERS IN THE FORMATION OF 3-HYDROXYPYRROLE-2-CARBOXYLATES
Wasserman, Harry H.,Cook, Jan D.,Fukuyama, James M.,Rotello, Vincent M.
, p. 1721 - 1724 (2007/10/02)
The reaction of primary amines with the vinyl tricarbonyl reagent 1 forms the basis of a general synthesis of N-substituted 3-hydroxypyrrole-2-carboxylates.
