1156169-15-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1156169-15-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,6,1,6 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1156169-15:
(9*1)+(8*1)+(7*5)+(6*6)+(5*1)+(4*6)+(3*9)+(2*1)+(1*5)=151
151 % 10 = 1
So 1156169-15-1 is a valid CAS Registry Number.