92284-42-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 92284-42-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,2,8 and 4 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 92284-42:
(7*9)+(6*2)+(5*2)+(4*8)+(3*4)+(2*4)+(1*2)=139
139 % 10 = 9
So 92284-42-9 is a valid CAS Registry Number.