31376-99-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31376-99-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,3,7 and 6 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 31376-99:
(7*3)+(6*1)+(5*3)+(4*7)+(3*6)+(2*9)+(1*9)=115
115 % 10 = 5
So 31376-99-5 is a valid CAS Registry Number.