163151-45-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 163151-45-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,3,1,5 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 163151-45:
(8*1)+(7*6)+(6*3)+(5*1)+(4*5)+(3*1)+(2*4)+(1*5)=109
109 % 10 = 9
So 163151-45-9 is a valid CAS Registry Number.