149155-49-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 149155-49-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,1,5 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 149155-49:
(8*1)+(7*4)+(6*9)+(5*1)+(4*5)+(3*5)+(2*4)+(1*9)=147
147 % 10 = 7
So 149155-49-7 is a valid CAS Registry Number.