170170-45-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 170170-45-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,0,1,7 and 0 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 170170-45:
(8*1)+(7*7)+(6*0)+(5*1)+(4*7)+(3*0)+(2*4)+(1*5)=103
103 % 10 = 3
So 170170-45-3 is a valid CAS Registry Number.