1249016-05-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1249016-05-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,9,0,1 and 6 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1249016-05:
(9*1)+(8*2)+(7*4)+(6*9)+(5*0)+(4*1)+(3*6)+(2*0)+(1*5)=134
134 % 10 = 4
So 1249016-05-4 is a valid CAS Registry Number.