76167-04-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76167-04-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,1,6 and 7 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 76167-04:
(7*7)+(6*6)+(5*1)+(4*6)+(3*7)+(2*0)+(1*4)=139
139 % 10 = 9
So 76167-04-9 is a valid CAS Registry Number.