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690229-61-9

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690229-61-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 690229-61-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,0,2,2 and 9 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 690229-61:
(8*6)+(7*9)+(6*0)+(5*2)+(4*2)+(3*9)+(2*6)+(1*1)=169
169 % 10 = 9
So 690229-61-9 is a valid CAS Registry Number.

690229-61-9Relevant academic research and scientific papers

P2O5/SiO2: A simple and effective catalyst for the synthesis of nsubstituted 1-alkyl and 1-aryl 3-aminoisoquinolines

Mendez, Leticia J.,Canepa, Alicia S.,Rimada, Ruben,Bravo, Rodolfo D.

, p. 240 - 244 (2013/07/26)

A synthesis of N-substituted 1-alkyl and 1-aryl 3-aminoisoquinolines by cyclocondensation of 2-acylphenylacetonitriles with aliphatic and aromatic amines using P2O5/SiO2 as catalysts is described. Selectivity, simplicity o

Aryne insertion into α-cyanocarbonyl compounds: Direct introduction of carbonyl and cyanomethyl moieties into the aromatic skeletons

Yoshida, Hiroto,Watanabe, Masahiko,Ohshita, Joji,Kunai, Atsutaka

, p. 6729 - 6731 (2007/10/03)

Two different carbon functional groups can be introduced simultaneously into 1,2-positions of aromatic skeletons based upon a novel insertion reaction of arynes into a carbonyl-cyanomethyl σ-bond of α-cyanocarbonyl compounds.

A Convenient Synthesis of 2-Acylphenylacetonitriles

Canepa, Alicia S.,Bravo, Rodolfo D.

, p. 579 - 588 (2007/10/03)

The reaction of 2-cyanomethylbenzoyl chloride with Grignard reagents in the presence of cuprous iodide at -5°C easily affords 2-acylphenylacetonitriles with good yield.

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