82773-20-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82773-20-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,7,7 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 82773-20:
(7*8)+(6*2)+(5*7)+(4*7)+(3*3)+(2*2)+(1*0)=144
144 % 10 = 4
So 82773-20-4 is a valid CAS Registry Number.
InChI:InChI=1/C13H19N5O5/c1-5(2)22-11-7-10(16-13(14)17-11)18(4-15-7)12-9(21)8(20)6(3-19)23-12/h4-6,8-9,12,19-21H,3H2,1-2H3,(H2,14,16,17)/t6-,8-,9-,12-/m1/s1