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40808-21-7

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40808-21-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40808-21-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,8,0 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 40808-21:
(7*4)+(6*0)+(5*8)+(4*0)+(3*8)+(2*2)+(1*1)=97
97 % 10 = 7
So 40808-21-7 is a valid CAS Registry Number.

40808-21-7SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 11, 2017

Revision Date: Aug 11, 2017

1.Identification

1.1 GHS Product identifier

Product name 5-(4-methylphenyl)thiophene-2-carboxylic acid

1.2 Other means of identification

Product number -
Other names 2-carboxy-5-(4-methylphenyl)thiophene

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:40808-21-7 SDS

40808-21-7Relevant articles and documents

Hedgehog signal pathway inhibitor

-

Paragraph 0103; 0181, (2017/06/20)

The invention provides a Hedgehog signal pathway inhibitor as well as stereoisomers, tautomers, hydrates, solvates or pharmaceutically acceptable salts thereof, and the structural formula of the inhibitor is as shown in a formula (I). The invention further provides a preparation method and application of a compound. The compound provided by the invention is novel in structure; a signal transduction pathway adjusted by Hedgehog protein, Ptch, Gli and/or Smo can be adjusted through the compound of the formula I.

Synthesis and structure-activity relationships of 5-phenylthiophenecarboxylic acid derivatives as antirheumatic agents

Noguchi, Toshiya,Hasegawa, Masahiro,Tomisawa, Kazuyuki,Mitsukuchi, Morihiro

, p. 4729 - 4742 (2007/10/03)

5-(Phenylthiophene)-3-carboxylic acid (2a), a metabolite of esonarimod (1), which was developed as a new antirheumatic drug, was considered as a lead compound for new antirheumatic drugs. A new series of 2a derivatives were synthesized and their characteristic pharmacological effects, that is their antagonistic effect toward interleukin (IL)-1 in mice and the suppressive effect against adjuvant-induced arthritis (AIA) in rats, were evaluated and compared with those of 1. The structure-activity relationships indicated that [5-(4-bromophenyl)-thiophen-3-yl]acetic acid (5d), methyl [5-(4-chlorophenyl)-thiophen-3-yl]acetate (5h), and methyl [5-(4-bromophenyl)-thiophen-3-yl]acetate (5i) suppressed AIA more potently than 1 and all of the other synthesized compounds.

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