664320-27-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 664320-27-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,4,3,2 and 0 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 664320-27:
(8*6)+(7*6)+(6*4)+(5*3)+(4*2)+(3*0)+(2*2)+(1*7)=148
148 % 10 = 8
So 664320-27-8 is a valid CAS Registry Number.