103370-55-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103370-55-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,3,7 and 0 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 103370-55:
(8*1)+(7*0)+(6*3)+(5*3)+(4*7)+(3*0)+(2*5)+(1*5)=84
84 % 10 = 4
So 103370-55-4 is a valid CAS Registry Number.