78584-55-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78584-55-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,5,8 and 4 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 78584-55:
(7*7)+(6*8)+(5*5)+(4*8)+(3*4)+(2*5)+(1*5)=181
181 % 10 = 1
So 78584-55-1 is a valid CAS Registry Number.