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72997-92-3

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72997-92-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72997-92-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,9,9 and 7 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 72997-92:
(7*7)+(6*2)+(5*9)+(4*9)+(3*7)+(2*9)+(1*2)=183
183 % 10 = 3
So 72997-92-3 is a valid CAS Registry Number.

72997-92-3Relevant articles and documents

Synthesis and photochromic properties of new heterocyclic derivatives of 1,3-diazabicyclo[3.1.0]hex-3-ene

Mahmoodi, Nosrat O.,Yazdanbakhsh, Mohammad R.,Kiyani, Hamzeh,Sharifzadeh, Bahman

, p. 635 - 641 (2007)

The facile synthesis of several 1,3-diazabicyclo[3.1.0]hex-3-ene derivatives with varying substitutions such as 2-methyl-6-(4-nitrophenyl)-2,4- diphenyl-(1), 2-methyl-6-(4-nitrophenyl)-4-phenyl-2-(pyridin-3-yl)-(2), 2-(furan-2-yl)-6-(4-nitrophenyl)-4-phenyl-(3), 2-(furan-2-yl)-6-(3-nitrophenyl)- 4-phenyl-(4), 6-(3-nitrophenyl)-2,4-diphenyl-(5) and 6-(4-chlorophenyl)-4-(3- nitrophenyl)-2-phenyl-(6) that all behave as "intelligent materials" are reported.

Synthesis of new ferrocenyl 1,3-diazabicyclo[3.1.0]hex-3-ene derivatives

Kiyani, Hamzeh,Fallahnezhad, Saied,Albooyeh, Fereshteh

, p. 168 - 175 (2015/06/23)

In this work, several new derivatives of ferrocenyl bicylic aziridine photochromic compounds have been prepared from the premade ketoaziridines and ferrocene carboxaldehyde in the presence of ammonium acetate in absolute ethanol via one-pot, three-component reaction. The structures of the newly synthesized compounds were established on the basis of IR, NMR and UV-Vis spectral studies. The newly synthesized compounds exhibit interesting photochromic behavior in the solid phase and solution state. The photochromic behavior of the prepared compounds has been investigated by UV-Visible spectral data.

Photochromic behavior of several new synthesized bis-1, 3-diazabicyclo[3.1.0]hex-3-enes

Kiyani,Mahmoodi,Tabatabaeian,Zanjanchi

scheme or table, p. 559 - 567 (2010/04/30)

Photochromic compounds (1-6) are synthesized and characterized and the results of their spectra are presented. The structure-photochromic behavior relationship (SPBR) of the synthesized compounds has been analyzed. Copyright

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