397264-09-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 397264-09-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,9,7,2,6 and 4 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 397264-09:
(8*3)+(7*9)+(6*7)+(5*2)+(4*6)+(3*4)+(2*0)+(1*9)=184
184 % 10 = 4
So 397264-09-4 is a valid CAS Registry Number.