972-09-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 972-09-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,7 and 2 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 972-09:
(5*9)+(4*7)+(3*2)+(2*0)+(1*9)=88
88 % 10 = 8
So 972-09-8 is a valid CAS Registry Number.