62987-99-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 62987-99-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,2,9,8 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 62987-99:
(7*6)+(6*2)+(5*9)+(4*8)+(3*7)+(2*9)+(1*9)=179
179 % 10 = 9
So 62987-99-9 is a valid CAS Registry Number.