173371-52-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 173371-52-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,3,7 and 1 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 173371-52:
(8*1)+(7*7)+(6*3)+(5*3)+(4*7)+(3*1)+(2*5)+(1*2)=133
133 % 10 = 3
So 173371-52-3 is a valid CAS Registry Number.