149347-52-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 149347-52-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,3,4 and 7 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 149347-52:
(8*1)+(7*4)+(6*9)+(5*3)+(4*4)+(3*7)+(2*5)+(1*2)=154
154 % 10 = 4
So 149347-52-4 is a valid CAS Registry Number.