1815617-96-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1815617-96-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,1,5,6,1 and 7 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1815617-96:
(9*1)+(8*8)+(7*1)+(6*5)+(5*6)+(4*1)+(3*7)+(2*9)+(1*6)=189
189 % 10 = 9
So 1815617-96-9 is a valid CAS Registry Number.