82144-21-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82144-21-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,1,4 and 4 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 82144-21:
(7*8)+(6*2)+(5*1)+(4*4)+(3*4)+(2*2)+(1*1)=106
106 % 10 = 6
So 82144-21-6 is a valid CAS Registry Number.
InChI:InChI=1/C19H20N8O5/c1-27(8-10-7-22-14-15(20)25-19(21)26-16(14)23-10)11-4-2-9(3-5-11)17(30)24-12(18(31)32)6-13(28)29/h2-5,7,12H,6,8H2,1H3,(H,24,30)(H,28,29)(H,31,32)(H4,20,21,23,25,26)/t12-/m0/s1