154783-84-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 154783-84-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,7,8 and 3 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 154783-84:
(8*1)+(7*5)+(6*4)+(5*7)+(4*8)+(3*3)+(2*8)+(1*4)=163
163 % 10 = 3
So 154783-84-3 is a valid CAS Registry Number.