704203-97-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 704203-97-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,0,4,2,0 and 3 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 704203-97:
(8*7)+(7*0)+(6*4)+(5*2)+(4*0)+(3*3)+(2*9)+(1*7)=124
124 % 10 = 4
So 704203-97-4 is a valid CAS Registry Number.