1038-30-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1038-30-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,0,3 and 8 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1038-30:
(6*1)+(5*0)+(4*3)+(3*8)+(2*3)+(1*0)=48
48 % 10 = 8
So 1038-30-8 is a valid CAS Registry Number.