865658-64-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 865658-64-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,5,6,5 and 8 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 865658-64:
(8*8)+(7*6)+(6*5)+(5*6)+(4*5)+(3*8)+(2*6)+(1*4)=226
226 % 10 = 6
So 865658-64-6 is a valid CAS Registry Number.