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725712-44-7

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725712-44-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 725712-44-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,5,7,1 and 2 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 725712-44:
(8*7)+(7*2)+(6*5)+(5*7)+(4*1)+(3*2)+(2*4)+(1*4)=157
157 % 10 = 7
So 725712-44-7 is a valid CAS Registry Number.

725712-44-7Downstream Products

725712-44-7Relevant articles and documents

Synthesis of heterocycles from the products of anionic arylation of unsaturated compounds. 7*. Products of haloarylation of acrylic acid and its esters in the synthesis of benzo[b]thiophene derivatives

Obushak,Matiichuk,Martyak

, p. 878 - 884 (2007/10/03)

3-Chloro-2-chlorocarbonylbenzo[b]thiophenes were obtained on oxidation of Meerwein reaction products, viz. 3-aryl-2-halopropionic acids and their esters, with thionyl chloride in the presence of N-benzyl-N-methylmorpholinium chloride. Disubstituted thioureas were synthesized by the reaction of these compounds with ammonium thiocyanate and aromatic amines, and were cyclized by interaction with iodoacetic acid with the formation of 4-thiazolidinone derivatives. The same cyclization in the presence of aromatic aldehydes leads to the formation of the corresponding 5-arylidene-substituted 4-thiazolidinones.

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