1456791-91-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1456791-91-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,5,6,7,9 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1456791-91:
(9*1)+(8*4)+(7*5)+(6*6)+(5*7)+(4*9)+(3*1)+(2*9)+(1*1)=205
205 % 10 = 5
So 1456791-91-5 is a valid CAS Registry Number.