1409971-72-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1409971-72-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,9,9,7 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1409971-72:
(9*1)+(8*4)+(7*0)+(6*9)+(5*9)+(4*7)+(3*1)+(2*7)+(1*2)=187
187 % 10 = 7
So 1409971-72-7 is a valid CAS Registry Number.