81988-95-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81988-95-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,9,8 and 8 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 81988-95:
(7*8)+(6*1)+(5*9)+(4*8)+(3*8)+(2*9)+(1*5)=186
186 % 10 = 6
So 81988-95-6 is a valid CAS Registry Number.