31790-49-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31790-49-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,7,9 and 0 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 31790-49:
(7*3)+(6*1)+(5*7)+(4*9)+(3*0)+(2*4)+(1*9)=115
115 % 10 = 5
So 31790-49-5 is a valid CAS Registry Number.