5987-01-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5987-01-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,9,8 and 7 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 5987-01:
(6*5)+(5*9)+(4*8)+(3*7)+(2*0)+(1*1)=129
129 % 10 = 9
So 5987-01-9 is a valid CAS Registry Number.