126551-81-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126551-81-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,5,5 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 126551-81:
(8*1)+(7*2)+(6*6)+(5*5)+(4*5)+(3*1)+(2*8)+(1*1)=123
123 % 10 = 3
So 126551-81-3 is a valid CAS Registry Number.
126551-81-3Relevant articles and documents
Reactions of sterically hindered phenols with P2S5
Dzhanibekov,Markova,Mamedov,Rafieva
, p. 1403 - 1404 (2007/10/03)
The direction of the reaction of 2,6-disubstituted phenols with P2S5 leading to bis(hydroxyaryl)dithiophosphinic acids or O,O-bis(aryl) dithiophosphates is determined by the degree of shielding of the OH group.
