384340-05-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 384340-05-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,4,3,4 and 0 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 384340-05:
(8*3)+(7*8)+(6*4)+(5*3)+(4*4)+(3*0)+(2*0)+(1*5)=140
140 % 10 = 0
So 384340-05-0 is a valid CAS Registry Number.