76765-40-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76765-40-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,7,6 and 5 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 76765-40:
(7*7)+(6*6)+(5*7)+(4*6)+(3*5)+(2*4)+(1*0)=167
167 % 10 = 7
So 76765-40-7 is a valid CAS Registry Number.