497083-21-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 497083-21-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,7,0,8 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 497083-21:
(8*4)+(7*9)+(6*7)+(5*0)+(4*8)+(3*3)+(2*2)+(1*1)=183
183 % 10 = 3
So 497083-21-3 is a valid CAS Registry Number.