282523-29-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 282523-29-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,2,5,2 and 3 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 282523-29:
(8*2)+(7*8)+(6*2)+(5*5)+(4*2)+(3*3)+(2*2)+(1*9)=139
139 % 10 = 9
So 282523-29-9 is a valid CAS Registry Number.