494218-91-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 494218-91-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,4,2,1 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 494218-91:
(8*4)+(7*9)+(6*4)+(5*2)+(4*1)+(3*8)+(2*9)+(1*1)=176
176 % 10 = 6
So 494218-91-6 is a valid CAS Registry Number.