438472-53-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 438472-53-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,8,4,7 and 2 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 438472-53:
(8*4)+(7*3)+(6*8)+(5*4)+(4*7)+(3*2)+(2*5)+(1*3)=168
168 % 10 = 8
So 438472-53-8 is a valid CAS Registry Number.