13837-55-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13837-55-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,8,3 and 7 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 13837-55:
(7*1)+(6*3)+(5*8)+(4*3)+(3*7)+(2*5)+(1*5)=113
113 % 10 = 3
So 13837-55-3 is a valid CAS Registry Number.