389123-76-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 389123-76-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,9,1,2 and 3 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 389123-76:
(8*3)+(7*8)+(6*9)+(5*1)+(4*2)+(3*3)+(2*7)+(1*6)=176
176 % 10 = 6
So 389123-76-6 is a valid CAS Registry Number.