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74346-73-9

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74346-73-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74346-73-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,3,4 and 6 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 74346-73:
(7*7)+(6*4)+(5*3)+(4*4)+(3*6)+(2*7)+(1*3)=139
139 % 10 = 9
So 74346-73-9 is a valid CAS Registry Number.

74346-73-9Relevant articles and documents

Facile synthesis and characterization of symmetric n-[(phenylcarbonyl) carbamothioyl]benzamide thiourea: Experimental and theoretical investigations

Silveira, Rafael G.,Cat?o, Anderson J. L.,Cunha, Beatriz N.,Almeida, Fernando,Correa, Rodrigo S.,Diniz, Luan F.,Tenório, Juan C.,Ellena, Javier,Kuznetsov, Aleksey E.,Batista, Alzir A.,Alcantara, Edésio

, p. 2502 - 2513 (2018)

A thiourea derivative, N-[(phenylcarbonyl)carbamothioyl]benzamide, was synthesized and characterized by elemental analysis, thermal analysis, spectroscopic methods (Fourier transform infrared (FTIR), UV-Vis, Raman, matrix-assisted laser desorption-ionization time-of-flight mass spectrometry (MALDI-TOF), tandem mass spectrometry (MS/MS) and nuclear magnetic resonance (NMR)) and quantum-chemical calculations. The synthetic route was simple and efficient, conducted just by one-step and no purification step was needed. The compound crystallizes in a non-centrosymmetric orthorhombic crystal system with a P212121 space group, with a = 5.06220(10) ?, b = 11.8623(3) ?, c = 21.9682(8) ?. The molecular conformation of the solid is stabilized by the N-H?O intramolecular hydrogen bond, which was present in the X-ray structure and was also found in the optimized geometry. The theoretical analysis showed that this strong interaction remains even when molecules are solvated, i.e., the rotation barrier and the hydrogen bond strength are greater than the solvent stabilization energy. In addition to this hydrogen bond effect, the relative position of phenyl groups has a certain influence on the chemical behavior of this thiourea and probably for other phenylthioureas.

Reactivity and Synthesis of the 1,6-Dioxa-6aλ4-thia-3,4-diazapentalene System.

Gardner, John O.

, p. 3909 - 3910 (2007/10/02)

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