704873-21-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 704873-21-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,0,4,8,7 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 704873-21:
(8*7)+(7*0)+(6*4)+(5*8)+(4*7)+(3*3)+(2*2)+(1*1)=162
162 % 10 = 2
So 704873-21-2 is a valid CAS Registry Number.