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1-amino-5-methoxy-2-(4-phenylbut-1-yn-1-yl)pyridinium 2,4,6-trimethylbenzenesulfonate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1428857-08-2

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1428857-08-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1428857-08-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,8,8,5 and 7 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1428857-08:
(9*1)+(8*4)+(7*2)+(6*8)+(5*8)+(4*5)+(3*7)+(2*0)+(1*8)=192
192 % 10 = 2
So 1428857-08-2 is a valid CAS Registry Number.

1428857-08-2Relevant academic research and scientific papers

Synthesis of pyrazolo[1,5-a]pyridines by thermal intramolecular cyclization

Hoashi, Yasutaka,Takai, Takafumi,Kotani, Etsuo,Koike, Tatsuki

, p. 2199 - 2202 (2013/05/09)

Thermal intramolecular cyclization of N-amino-2-alkynylpyridines was developed for facile and versatile synthesis of pyrazolo[1,5-a]pyridines. Simply heating N-amino-2-alkynylpyridines in acetic acid provided pyrazolo[1,5-a] pyridines in excellent yield.

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