1154953-17-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1154953-17-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,4,9,5 and 3 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1154953-17:
(9*1)+(8*1)+(7*5)+(6*4)+(5*9)+(4*5)+(3*3)+(2*1)+(1*7)=159
159 % 10 = 9
So 1154953-17-9 is a valid CAS Registry Number.