149543-47-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 149543-47-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,5,4 and 3 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 149543-47:
(8*1)+(7*4)+(6*9)+(5*5)+(4*4)+(3*3)+(2*4)+(1*7)=155
155 % 10 = 5
So 149543-47-5 is a valid CAS Registry Number.