87686-58-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87686-58-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,6,8 and 6 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 87686-58:
(7*8)+(6*7)+(5*6)+(4*8)+(3*6)+(2*5)+(1*8)=196
196 % 10 = 6
So 87686-58-6 is a valid CAS Registry Number.