176101-42-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 176101-42-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,6,1,0 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 176101-42:
(8*1)+(7*7)+(6*6)+(5*1)+(4*0)+(3*1)+(2*4)+(1*2)=111
111 % 10 = 1
So 176101-42-1 is a valid CAS Registry Number.