497845-70-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 497845-70-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,7,8,4 and 5 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 497845-70:
(8*4)+(7*9)+(6*7)+(5*8)+(4*4)+(3*5)+(2*7)+(1*0)=222
222 % 10 = 2
So 497845-70-2 is a valid CAS Registry Number.