77924-51-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77924-51-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,2 and 4 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77924-51:
(7*7)+(6*7)+(5*9)+(4*2)+(3*4)+(2*5)+(1*1)=167
167 % 10 = 7
So 77924-51-7 is a valid CAS Registry Number.