705256-40-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 705256-40-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,0,5,2,5 and 6 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 705256-40:
(8*7)+(7*0)+(6*5)+(5*2)+(4*5)+(3*6)+(2*4)+(1*0)=142
142 % 10 = 2
So 705256-40-2 is a valid CAS Registry Number.