4783-30-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4783-30-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,7,8 and 3 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 4783-30:
(6*4)+(5*7)+(4*8)+(3*3)+(2*3)+(1*0)=106
106 % 10 = 6
So 4783-30-6 is a valid CAS Registry Number.