75779-78-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75779-78-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,7,7 and 9 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 75779-78:
(7*7)+(6*5)+(5*7)+(4*7)+(3*9)+(2*7)+(1*8)=191
191 % 10 = 1
So 75779-78-1 is a valid CAS Registry Number.