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1607062-45-2

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1607062-45-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1607062-45-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,7,0,6 and 2 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1607062-45:
(9*1)+(8*6)+(7*0)+(6*7)+(5*0)+(4*6)+(3*2)+(2*4)+(1*5)=142
142 % 10 = 2
So 1607062-45-2 is a valid CAS Registry Number.

1607062-45-2Downstream Products

1607062-45-2Relevant articles and documents

Synthesis and spectral characterization of new 1,3,5-triaryl-2-pyrazolines highlighting effect of alkyloxy chain length on fluorescence

Abbas, Asghar,Hussain, Safdar,Hafeez, Noureen,Hasan, Aurangzeb,Naseer, Muhammad Moazzam

, p. 32 - 40 (2014/04/03)

A series of new 1,3,5-triaryl-2-pyrazolines (1b-12b) having one to twelve carbon alkyloxy side chains were synthesized and characterized on the basis of their spectral (IR, 1H & 13C NMR and GC-MS) and microanalytical data. The UV-Vis and emission spectroscopy was used to study the effect of alkyloxy chain length on absorption and fluorescence properties of 1b-12b. All the compounds showed fluorescence in the blue region of the visible spectrum. Interestingly, the alkyloxy chain length strongly affects the emission intensity of 1,3,5-triaryl-2-pyrazoline framework without causing any major blue- or red-shift in the emission wavelength (λmaxem). The absorption and emission maxima (λmaxabs & λmaxem) for compounds (1b-12b) were observed in the range of 337-364 nm and 454-464 nm, respectively. Furthermore, the effect of fluorine substituent on aryl ring present at 3-position of pyrazoline moiety on fluorescence properties is also discussed.

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