1239279-42-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1239279-42-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,2,7 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1239279-42:
(9*1)+(8*2)+(7*3)+(6*9)+(5*2)+(4*7)+(3*9)+(2*4)+(1*2)=175
175 % 10 = 5
So 1239279-42-5 is a valid CAS Registry Number.