28080-90-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28080-90-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,0,8 and 0 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 28080-90:
(7*2)+(6*8)+(5*0)+(4*8)+(3*0)+(2*9)+(1*0)=112
112 % 10 = 2
So 28080-90-2 is a valid CAS Registry Number.
InChI:InChI=1/C19H17Cl2N5S/c1-3-26(8-4-7-22)13-5-6-16(12(2)9-13)24-25-19-23-17-10-14(20)15(21)11-18(17)27-19/h5-6,9-11H,3-4,8H2,1-2H3/b25-24+