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108138-54-1

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108138-54-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 108138-54-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,1,3 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 108138-54:
(8*1)+(7*0)+(6*8)+(5*1)+(4*3)+(3*8)+(2*5)+(1*4)=111
111 % 10 = 1
So 108138-54-1 is a valid CAS Registry Number.

108138-54-1Relevant articles and documents

A chemoselective and continuous synthesis of m-sulfamoylbenzamide analogues

Verlee, Arno,Heugebaert, Thomas,Van Der Meer, Tom,Kerchev, Pavel I.,Van Breusegem, Frank,Stevens, Christian V.

, p. 303 - 312 (2017)

For the synthesis of m-sulfamoylbenzamide analogues, small molecules which are known for their bioactivity, a chemoselective procedure has been developed starting from m-(chlorosulfonyl)benzoyl chloride. Although a chemoselective process in batch was already reported, a continuous-flow process reveals an increased selectivity at higher temperatures and without catalysts. In total, 15 analogues were synthesized, using similar conditions, with yields ranging between 65 and 99%. This is the first automated and chemoselective synthesis of m-sulfamoylbenzamide analogues.

Chemoselective synthesis of aryl carboxamido sulfonic acid derivatives

Yang, Yung-Lin,Rajagopal, Basker,Liang, Chien-Fu,Chen, Chun-Chi,Lai, Hsiu-Ping,Chou, Chih-Hung,Lee, Yen-Pin,Yang, Yen-Ling,Zeng, Jing-Wen,Ou, Chun-Lin,Lin, Po-Chiao

, p. 2640 - 2646 (2013/03/28)

A one-pot two-step synthetic strategy for the preparation of aryl carboxamido sulfonic acid derivatives was developed. The synthesis started from m-(chlorosulfonyl)benzoyl chloride, which was reacted with amines, alcohols, thiols, or sodium azide and cata

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