276880-19-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 276880-19-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,6,8,8 and 0 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 276880-19:
(8*2)+(7*7)+(6*6)+(5*8)+(4*8)+(3*0)+(2*1)+(1*9)=184
184 % 10 = 4
So 276880-19-4 is a valid CAS Registry Number.