128881-96-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128881-96-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,8,8 and 1 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 128881-96:
(8*1)+(7*2)+(6*8)+(5*8)+(4*8)+(3*1)+(2*9)+(1*6)=169
169 % 10 = 9
So 128881-96-9 is a valid CAS Registry Number.