384832-89-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 384832-89-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,4,8,3 and 2 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 384832-89:
(8*3)+(7*8)+(6*4)+(5*8)+(4*3)+(3*2)+(2*8)+(1*9)=187
187 % 10 = 7
So 384832-89-7 is a valid CAS Registry Number.