176688-65-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 176688-65-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,6,6,8 and 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 176688-65:
(8*1)+(7*7)+(6*6)+(5*6)+(4*8)+(3*8)+(2*6)+(1*5)=196
196 % 10 = 6
So 176688-65-6 is a valid CAS Registry Number.