1268342-52-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1268342-52-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,8,3,4 and 2 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1268342-52:
(9*1)+(8*2)+(7*6)+(6*8)+(5*3)+(4*4)+(3*2)+(2*5)+(1*2)=164
164 % 10 = 4
So 1268342-52-4 is a valid CAS Registry Number.