1012104-25-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1012104-25-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,2,1,0 and 4 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1012104-25:
(9*1)+(8*0)+(7*1)+(6*2)+(5*1)+(4*0)+(3*4)+(2*2)+(1*5)=54
54 % 10 = 4
So 1012104-25-4 is a valid CAS Registry Number.