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14224-81-8

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14224-81-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 14224-81-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,2,2 and 4 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 14224-81:
(7*1)+(6*4)+(5*2)+(4*2)+(3*4)+(2*8)+(1*1)=78
78 % 10 = 8
So 14224-81-8 is a valid CAS Registry Number.

14224-81-8Downstream Products

14224-81-8Relevant articles and documents

Cyclopentadecanone 2,4-dinitrophenylhydrazone

Noe, Eric A.,Pawar, Diwakar M.,Fronczek, Frank R.

, p. o139-o141 (2008)

In the title compound, C21H32N4O4, no disorder is present in the 15-membered hydro-carbon ring, which exists in an unsymmetrical quinquangular [12345] conformation. The 2,4-dinitro-phenyl-hydrazone group is approximately perpendicular to the C15 ring, with a dihedral angle of 84.66 (1)° between their best planes.

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