124838-05-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 124838-05-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,8,3 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 124838-05:
(8*1)+(7*2)+(6*4)+(5*8)+(4*3)+(3*8)+(2*0)+(1*5)=127
127 % 10 = 7
So 124838-05-7 is a valid CAS Registry Number.