4431-86-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4431-86-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,3 and 1 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 4431-86:
(6*4)+(5*4)+(4*3)+(3*1)+(2*8)+(1*6)=81
81 % 10 = 1
So 4431-86-1 is a valid CAS Registry Number.
4431-86-1Relevant articles and documents
Synthesis of Bis(aryloxy)chloromethanes via Radical-Induced Chlorinations of Formaldehyde Diaryl Acetals
Cambanis, Anton,Baeuml, Englbert,Mayr, Herbert
, p. 961 (2007/10/02)
Bis(aryloxy)chloromethanes 2 and bis(aryloxy)dichloromethanes 3 are prepared via radical-induced chlorinations of the formaldehyde diaryl acetals 1 with chlorine or sulfuryl chloride.