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2,4,6-Trimethyl-benzenesulfonate2-amino-3-phenylethynyl-isoquinolinium; is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

89877-00-9

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89877-00-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89877-00-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,7 and 7 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 89877-00:
(7*8)+(6*9)+(5*8)+(4*7)+(3*7)+(2*0)+(1*0)=199
199 % 10 = 9
So 89877-00-9 is a valid CAS Registry Number.

89877-00-9Relevant academic research and scientific papers

Thermal Rearrangements of Cyclic Amine Ylides. III. Intramolecular Cyclization of 2-Ethynylpyridine N-Imides to 3-Azaindolizine Derivatives

Tsuchiya, Takashi,Sashida, Haruki,Konoshita, Ari

, p. 4568 - 4572 (2007/10/02)

Treatment of the N-aminopyridinium salts (5a-e) prepared from 2-ethynylpyridines (4) with potassium carbonate resulted in an intramolecular cyclization to give the corresponding 3-azaindolizines (6) (pyrazolopyridines), presumably via the ionic in

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