27128-97-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27128-97-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,1,2 and 8 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 27128-97:
(7*2)+(6*7)+(5*1)+(4*2)+(3*8)+(2*9)+(1*7)=118
118 % 10 = 8
So 27128-97-8 is a valid CAS Registry Number.