172361-40-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172361-40-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,3,6 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 172361-40:
(8*1)+(7*7)+(6*2)+(5*3)+(4*6)+(3*1)+(2*4)+(1*0)=119
119 % 10 = 9
So 172361-40-9 is a valid CAS Registry Number.