1251013-42-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1251013-42-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,1,0,1 and 3 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1251013-42:
(9*1)+(8*2)+(7*5)+(6*1)+(5*0)+(4*1)+(3*3)+(2*4)+(1*2)=89
89 % 10 = 9
So 1251013-42-9 is a valid CAS Registry Number.