149834-43-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 149834-43-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,8,3 and 4 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 149834-43:
(8*1)+(7*4)+(6*9)+(5*8)+(4*3)+(3*4)+(2*4)+(1*3)=165
165 % 10 = 5
So 149834-43-5 is a valid CAS Registry Number.