1393821-75-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1393821-75-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,3,8,2 and 1 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1393821-75:
(9*1)+(8*3)+(7*9)+(6*3)+(5*8)+(4*2)+(3*1)+(2*7)+(1*5)=184
184 % 10 = 4
So 1393821-75-4 is a valid CAS Registry Number.