1155690-19-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1155690-19-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,5,6,9 and 0 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1155690-19:
(9*1)+(8*1)+(7*5)+(6*5)+(5*6)+(4*9)+(3*0)+(2*1)+(1*9)=159
159 % 10 = 9
So 1155690-19-9 is a valid CAS Registry Number.