1266965-23-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1266965-23-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,6,9,6 and 5 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1266965-23:
(9*1)+(8*2)+(7*6)+(6*6)+(5*9)+(4*6)+(3*5)+(2*2)+(1*3)=194
194 % 10 = 4
So 1266965-23-4 is a valid CAS Registry Number.