397845-86-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 397845-86-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,9,7,8,4 and 5 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 397845-86:
(8*3)+(7*9)+(6*7)+(5*8)+(4*4)+(3*5)+(2*8)+(1*6)=222
222 % 10 = 2
So 397845-86-2 is a valid CAS Registry Number.