172479-45-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172479-45-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,4,7 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 172479-45:
(8*1)+(7*7)+(6*2)+(5*4)+(4*7)+(3*9)+(2*4)+(1*5)=157
157 % 10 = 7
So 172479-45-7 is a valid CAS Registry Number.