239124-57-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 239124-57-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,9,1,2 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 239124-57:
(8*2)+(7*3)+(6*9)+(5*1)+(4*2)+(3*4)+(2*5)+(1*7)=133
133 % 10 = 3
So 239124-57-3 is a valid CAS Registry Number.