1220219-43-1 Usage
Uses
3,4-Difluoro-5-hydroxyphenylboronic acid, pinacol ester
Check Digit Verification of cas no
The CAS Registry Mumber 1220219-43-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,0,2,1 and 9 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1220219-43:
(9*1)+(8*2)+(7*2)+(6*0)+(5*2)+(4*1)+(3*9)+(2*4)+(1*3)=91
91 % 10 = 1
So 1220219-43-1 is a valid CAS Registry Number.