64861-89-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64861-89-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,8,6 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 64861-89:
(7*6)+(6*4)+(5*8)+(4*6)+(3*1)+(2*8)+(1*9)=158
158 % 10 = 8
So 64861-89-8 is a valid CAS Registry Number.