127931-71-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 127931-71-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,9,3 and 1 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 127931-71:
(8*1)+(7*2)+(6*7)+(5*9)+(4*3)+(3*1)+(2*7)+(1*1)=139
139 % 10 = 9
So 127931-71-9 is a valid CAS Registry Number.
127931-71-9Relevant articles and documents
Cycloaddition dipolaire-1,3 des arylnitriloxydes sur les dihydro-1,2 quinoleines N-Substituees
Soufiaoui, M.,Jazouli, H.
, p. 1527 - 1530 (2007/10/02)
The 1,3-dipolar cycloaddition reaction of arylnitrile oxides on 1,2-dihydroquinolines gives two adducts if the nitrogen atom of the dipolarphile carries a benzoyl group.On the other hand the reaction provides only one adduct if the N-substituent is a benz
