399512-11-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 399512-11-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,9,9,5,1 and 2 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 399512-11:
(8*3)+(7*9)+(6*9)+(5*5)+(4*1)+(3*2)+(2*1)+(1*1)=179
179 % 10 = 9
So 399512-11-9 is a valid CAS Registry Number.