275804-97-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 275804-97-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,5,8,0 and 4 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 275804-97:
(8*2)+(7*7)+(6*5)+(5*8)+(4*0)+(3*4)+(2*9)+(1*7)=172
172 % 10 = 2
So 275804-97-2 is a valid CAS Registry Number.