917566-62-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 917566-62-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,7,5,6 and 6 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 917566-62:
(8*9)+(7*1)+(6*7)+(5*5)+(4*6)+(3*6)+(2*6)+(1*2)=202
202 % 10 = 2
So 917566-62-2 is a valid CAS Registry Number.