176239-73-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 176239-73-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,6,2,3 and 9 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 176239-73:
(8*1)+(7*7)+(6*6)+(5*2)+(4*3)+(3*9)+(2*7)+(1*3)=159
159 % 10 = 9
So 176239-73-9 is a valid CAS Registry Number.