64844-12-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64844-12-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,8,4 and 4 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 64844-12:
(7*6)+(6*4)+(5*8)+(4*4)+(3*4)+(2*1)+(1*2)=138
138 % 10 = 8
So 64844-12-8 is a valid CAS Registry Number.