179343-21-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 179343-21-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,9,3,4 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 179343-21:
(8*1)+(7*7)+(6*9)+(5*3)+(4*4)+(3*3)+(2*2)+(1*1)=156
156 % 10 = 6
So 179343-21-6 is a valid CAS Registry Number.