278175-81-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 278175-81-8 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, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 278175-81:
(8*2)+(7*7)+(6*8)+(5*1)+(4*7)+(3*5)+(2*8)+(1*1)=178
178 % 10 = 8
So 278175-81-8 is a valid CAS Registry Number.