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Pyridine, 1,2,3,6-tetrahydro-1-methyl-2-(phenylethynyl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81581-80-8

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81581-80-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81581-80-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,5,8 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 81581-80:
(7*8)+(6*1)+(5*5)+(4*8)+(3*1)+(2*8)+(1*0)=138
138 % 10 = 8
So 81581-80-8 is a valid CAS Registry Number.

81581-80-8Relevant academic research and scientific papers

Thermal Rearranements of Cyclic Amine Ylides. V. Thermolysis of 6-Ethynyl-1-methyl-1,2,5,6-tetrahydropyridine N-Imides and N-Ylides

Sashida, Haruki,Tsuchiya, Takashi

, p. 4600 - 4607 (2007/10/02)

The thermolysis of the N-imides (14, 15) of 6-ethynyl-1-methyl-1,2,5,6-tetrahydropyridines (11) resulted in -sigmatropic rearrangement with either the triple bond or the double bond in the ring to give the dihydro-1,2-diazonines (16) presumably via t

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