128395-97-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128395-97-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,3,9 and 5 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 128395-97:
(8*1)+(7*2)+(6*8)+(5*3)+(4*9)+(3*5)+(2*9)+(1*7)=161
161 % 10 = 1
So 128395-97-1 is a valid CAS Registry Number.