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109171-57-5

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109171-57-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109171-57-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,1,7 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 109171-57:
(8*1)+(7*0)+(6*9)+(5*1)+(4*7)+(3*1)+(2*5)+(1*7)=115
115 % 10 = 5
So 109171-57-5 is a valid CAS Registry Number.

109171-57-5Relevant articles and documents

Cascade Michael-Aldol reaction: Efficient annulation of sulfonamide chalcones into novel cyclohexenones under solvent-free conditions

Agrawal, Nikita R.,Bahekar, Sandeep P.,Agrawal, Abhijeet R.,Sarode, Prashant B.,Chandak, Hemant S.

, p. 227 - 245 (2016/07/06)

A simple, convenient and efficient synthesis of novel sulfonamide cyclohexenones from differently substituted sulfonamide chalcones has been developed. Syntheses of cyclohexenones have been achieved via cascade Michael-Aldol reaction under solvent free condition. This process features mild and solvent-free synthesis of the titled compounds with high yields (18 examples, up to 95% yield). The synthesized scaffold is a promising intermediate for the further transformation into various heterocyclic compounds.

Synthesis and antimicrobial activities of some N-{4-[5-aryl-1- (isonicotinoyl)pyrazol-3-yl]-phenyl}-benzenesulfonamide and 3-(4- benzenesulfonylaminophenyl)-5-aryl-pyrazole-1-carboxylic acid amide

Jamode,Chandak,Bhagat

body text, p. 1169 - 1173 (2009/12/31)

A series of N-{4-[5-aryl-1-(isonicotinoyl)pyrazol-3-yl]-phenyl}- benzenesulfonamide (3a-e) and 3-(4-benzenesulfonylaminophenyl)-5-aryl-pyrazole- 1-carboxylic acid amide (4a-e) have been synthesized by refluxing N-[4-(2,3-dibromo-3-aryl-propanoyl)-phenyl]-

Studies on pyrazolines. Part III. Preparation and antimicrobial activity of 3-(4'-phenyl-sulphonamidophenyl)-5-aryl-I-acetyl/phenyi-4,5-dihydropyr azoles

Upadhyay,Dave,Parekh

, p. 413 - 414 (2007/10/02)

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