788-54-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 788-54-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,8 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 788-54:
(5*7)+(4*8)+(3*8)+(2*5)+(1*4)=105
105 % 10 = 5
So 788-54-5 is a valid CAS Registry Number.