64689-27-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64689-27-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,6,8 and 9 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 64689-27:
(7*6)+(6*4)+(5*6)+(4*8)+(3*9)+(2*2)+(1*7)=166
166 % 10 = 6
So 64689-27-6 is a valid CAS Registry Number.