79441-91-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79441-91-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,4,4 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 79441-91:
(7*7)+(6*9)+(5*4)+(4*4)+(3*1)+(2*9)+(1*1)=161
161 % 10 = 1
So 79441-91-1 is a valid CAS Registry Number.
79441-91-1Relevant articles and documents
Reactions with Diazoazoles. Part IV. (1). - and -Cyclocondensation Reactions of Diazoazoles with Acyltriphenylphosphonium Methylides to Azolotriazines
Ege, Guenter,Gilbert, Karlheinz
, p. 675 - 677 (2007/10/02)
Acyltriphenylphosphoniummethylides react with diazoazoles in a - or -cycloaddition reaction followed by elimination of triphenylphosphane oxide to yield azolotriazines.