176741-76-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 176741-76-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,6,7,4 and 1 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 176741-76:
(8*1)+(7*7)+(6*6)+(5*7)+(4*4)+(3*1)+(2*7)+(1*6)=167
167 % 10 = 7
So 176741-76-7 is a valid CAS Registry Number.