1239743-72-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1239743-72-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,7,4 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1239743-72:
(9*1)+(8*2)+(7*3)+(6*9)+(5*7)+(4*4)+(3*3)+(2*7)+(1*2)=176
176 % 10 = 6
So 1239743-72-6 is a valid CAS Registry Number.