124557-54-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 124557-54-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,5,5 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 124557-54:
(8*1)+(7*2)+(6*4)+(5*5)+(4*5)+(3*7)+(2*5)+(1*4)=126
126 % 10 = 6
So 124557-54-6 is a valid CAS Registry Number.