1030938-55-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1030938-55-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,0,9,3 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1030938-55:
(9*1)+(8*0)+(7*3)+(6*0)+(5*9)+(4*3)+(3*8)+(2*5)+(1*5)=126
126 % 10 = 6
So 1030938-55-6 is a valid CAS Registry Number.