393521-85-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 393521-85-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,9,3,5,2 and 1 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 393521-85:
(8*3)+(7*9)+(6*3)+(5*5)+(4*2)+(3*1)+(2*8)+(1*5)=162
162 % 10 = 2
So 393521-85-2 is a valid CAS Registry Number.