64531-26-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64531-26-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,5,3 and 1 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 64531-26:
(7*6)+(6*4)+(5*5)+(4*3)+(3*1)+(2*2)+(1*6)=116
116 % 10 = 6
So 64531-26-6 is a valid CAS Registry Number.