1263143-25-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1263143-25-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,3,1,4 and 3 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1263143-25:
(9*1)+(8*2)+(7*6)+(6*3)+(5*1)+(4*4)+(3*3)+(2*2)+(1*5)=124
124 % 10 = 4
So 1263143-25-4 is a valid CAS Registry Number.