172801-36-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172801-36-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,8,0 and 1 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 172801-36:
(8*1)+(7*7)+(6*2)+(5*8)+(4*0)+(3*1)+(2*3)+(1*6)=124
124 % 10 = 4
So 172801-36-4 is a valid CAS Registry Number.