76987-86-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76987-86-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,9,8 and 7 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 76987-86:
(7*7)+(6*6)+(5*9)+(4*8)+(3*7)+(2*8)+(1*6)=205
205 % 10 = 5
So 76987-86-5 is a valid CAS Registry Number.