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1257393-74-0

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1257393-74-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1257393-74-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,7,3,9 and 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1257393-74:
(9*1)+(8*2)+(7*5)+(6*7)+(5*3)+(4*9)+(3*3)+(2*7)+(1*4)=180
180 % 10 = 0
So 1257393-74-0 is a valid CAS Registry Number.

1257393-74-0Relevant articles and documents

Three-component reaction: Synthesis, characterization, and biological study of some fused bridgehead nitrogen heterocyclic systems containing 4-methylthiophenyl moiety

Manjunatha,Poojary, Boja,Lobo, Prajwal L.,Kumari, N. Suchetha,Anoop

, p. 526 - 532 (2011/05/15)

Several substituted thiazolo-[3,2-b]-1,2,4-triazole derivatives 4 were synthesized by a one-pot, three-component reaction of 3-(4-methylthiobenzyl)-1, 2,4-triazole-5-thiol 3, substituted 5-aryl-furan-2-carboxaldehydes/substituted aromatic aldehydes, and monochloroacetic acid in acetic acid using acetic anhydride and anhydrous sodium acetate. Compound 3 was obtained from 4-methylthiophenyl acetic acid by esterification followed by hydrazinolysis. All structures of the newly synthesized compounds were elucidated by elemental analysis and spectral data. The newly synthesized compounds were also screened for their antimicrobial and anti-inflammatory activities. Supplemental materials are available for this article. Go to the publisher's online edition of Phosphorus, Sulfur, and Silicon and the Related Elements to view the free supplemental file. Copyright Taylor & Francis Group, LLC.

Synthesis and biological evaluation of some 1,3,4-oxadiazole derivatives

Manjunatha,Poojary, Boja,Lobo, Prajwal L.,Fernandes, Jennifer,Kumari, N. Suchetha

experimental part, p. 5225 - 5233 (2011/01/04)

The acid hydrazides (2) derived from ibuprofen and 4-methylthiophenyl acetic acids have been subjected to cyclization with carbon disulphide under basic conditions to yield 1,3,4-oxadiazol-2-thiones (3) which on aminomethylation with formaldehyde and secondary amines afforded a series of Mannich bases (4 and 5). Purity of the compounds has been confirmed by TLC. Structures of these compounds were established on the basis of elemental analyses and spectral studies. The newly synthesized compounds were evaluated for their anti-inflammatory, analgesic, ulcerogenic and antimicrobial activities.

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