923972-97-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 923972-97-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,3,9,7 and 2 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 923972-97:
(8*9)+(7*2)+(6*3)+(5*9)+(4*7)+(3*2)+(2*9)+(1*7)=208
208 % 10 = 8
So 923972-97-8 is a valid CAS Registry Number.