7170-49-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7170-49-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,1,7 and 0 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 7170-49:
(6*7)+(5*1)+(4*7)+(3*0)+(2*4)+(1*9)=92
92 % 10 = 2
So 7170-49-2 is a valid CAS Registry Number.