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3,5-Bis-phenylethynyl-pyrazin-2-ylamine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

201812-53-5

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201812-53-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 201812-53-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,8,1 and 2 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 201812-53:
(8*2)+(7*0)+(6*1)+(5*8)+(4*1)+(3*2)+(2*5)+(1*3)=85
85 % 10 = 5
So 201812-53-5 is a valid CAS Registry Number.

201812-53-5Relevant academic research and scientific papers

Bimodal chemiluminescence of 8-chlorostyryl-6-phenylethynylimidazopyrazinone: Large bathochromic shift caused by a styryl group at 8-position

Nakamura, Hideshi,Wu, Chun,Takeuchi, Daisuke,Murai, Akio

, p. 301 - 304 (2007/10/03)

3,7-Dihydro-8-chlorostyryl-6-phenylethynyl-2-imidazo [1,2-a]pyrazin-3-one (5a) prepared from 2-amino-3,5-diphenylethynylpyrazine by condensation with methylglyoxal showed bimodal luminescence in DMSO, i.e., orange-colored luminescence under acidic to neutral conditions and yellow-colored luminescence under basic conditions. The large bathochromic shift of chemiluminescence caused by a styryl group at the 8 position was established by synthesizing 3,7-dihydro-8-styryl-6-phenylethynyl-2-imidazo[1,2- a]pyrazin-3-one (5b).

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