1257300-07-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1257300-07-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,7,3,0 and 0 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1257300-07:
(9*1)+(8*2)+(7*5)+(6*7)+(5*3)+(4*0)+(3*0)+(2*0)+(1*7)=124
124 % 10 = 4
So 1257300-07-4 is a valid CAS Registry Number.