71790-49-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71790-49-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,7,9 and 0 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 71790-49:
(7*7)+(6*1)+(5*7)+(4*9)+(3*0)+(2*4)+(1*9)=143
143 % 10 = 3
So 71790-49-3 is a valid CAS Registry Number.