1809157-96-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1809157-96-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,0,9,1,5 and 7 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1809157-96:
(9*1)+(8*8)+(7*0)+(6*9)+(5*1)+(4*5)+(3*7)+(2*9)+(1*6)=197
197 % 10 = 7
So 1809157-96-7 is a valid CAS Registry Number.