27803-58-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27803-58-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,8,0 and 3 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 27803-58:
(7*2)+(6*7)+(5*8)+(4*0)+(3*3)+(2*5)+(1*8)=123
123 % 10 = 3
So 27803-58-3 is a valid CAS Registry Number.