75828-54-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75828-54-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,8,2 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 75828-54:
(7*7)+(6*5)+(5*8)+(4*2)+(3*8)+(2*5)+(1*4)=165
165 % 10 = 5
So 75828-54-5 is a valid CAS Registry Number.