866137-62-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 866137-62-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,6,1,3 and 7 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 866137-62:
(8*8)+(7*6)+(6*6)+(5*1)+(4*3)+(3*7)+(2*6)+(1*2)=194
194 % 10 = 4
So 866137-62-4 is a valid CAS Registry Number.