591764-72-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 591764-72-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,9,1,7,6 and 4 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 591764-72:
(8*5)+(7*9)+(6*1)+(5*7)+(4*6)+(3*4)+(2*7)+(1*2)=196
196 % 10 = 6
So 591764-72-6 is a valid CAS Registry Number.