123040-01-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123040-01-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,0,4 and 0 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 123040-01:
(8*1)+(7*2)+(6*3)+(5*0)+(4*4)+(3*0)+(2*0)+(1*1)=57
57 % 10 = 7
So 123040-01-7 is a valid CAS Registry Number.