278175-44-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 278175-44-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,8,1,7 and 5 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 278175-44:
(8*2)+(7*7)+(6*8)+(5*1)+(4*7)+(3*5)+(2*4)+(1*4)=173
173 % 10 = 3
So 278175-44-3 is a valid CAS Registry Number.