918156-44-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 918156-44-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,8,1,5 and 6 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 918156-44:
(8*9)+(7*1)+(6*8)+(5*1)+(4*5)+(3*6)+(2*4)+(1*4)=182
182 % 10 = 2
So 918156-44-2 is a valid CAS Registry Number.