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CAS

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55503-43-0

2-Chloro-7-ethyl-4,7-dihydro-4-oxothieno[2,3-b]pyridine-5-carboxylic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 2-Chloro-7-ethyl-4,7-dihydro-4-oxothieno[2,3-b]pyridine-5-carboxylic acid

    Cas No: 55503-43-0

  • USD $ 1.9-2.9 / Gram

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  • 55503-43-0 Structure

  • Basic information

    1. Product Name: 2-Chloro-7-ethyl-4,7-dihydro-4-oxothieno[2,3-b]pyridine-5-carboxylic acid
    2. Synonyms: 2-Chloro-7-ethyl-4,7-dihydro-4-oxothieno[2,3-b]pyridine-5-carboxylic acid;T-14097;2-Chloro-7-ethyl-4-oxo-4,7-dihydrothieno[2,3-b]pyridine-5-carboxylic acid
    3. CAS NO:55503-43-0
    4. Molecular Formula: C10H8ClNO3S
    5. Molecular Weight: 257.69
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 55503-43-0.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: 417.5±45.0 °C(Predicted)
    3. Flash Point: N/A
    4. Appearance: /
    5. Density: 1.57 g/cm3
    6. Refractive Index: N/A
    7. Storage Temp.: 2-8°C
    8. Solubility: N/A
    9. PKA: 5.66±0.20(Predicted)
    10. CAS DataBase Reference: 2-Chloro-7-ethyl-4,7-dihydro-4-oxothieno[2,3-b]pyridine-5-carboxylic acid(CAS DataBase Reference)
    11. NIST Chemistry Reference: 2-Chloro-7-ethyl-4,7-dihydro-4-oxothieno[2,3-b]pyridine-5-carboxylic acid(55503-43-0)
    12. EPA Substance Registry System: 2-Chloro-7-ethyl-4,7-dihydro-4-oxothieno[2,3-b]pyridine-5-carboxylic acid(55503-43-0)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 55503-43-0(Hazardous Substances Data)

55503-43-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55503-43-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,5,0 and 3 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 55503-43:
(7*5)+(6*5)+(5*5)+(4*0)+(3*3)+(2*4)+(1*3)=110
110 % 10 = 0
So 55503-43-0 is a valid CAS Registry Number.

55503-43-0SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-chloro-7-ethyl-4-oxothieno[2,3-b]pyridine-5-carboxylic acid

1.2 Other means of identification

Product number -
Other names -

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:55503-43-0 SDS

55503-43-0Downstream Products

55503-43-0Relevant articles and documents

Thienopyridone antibacterials. Part I. A synthesis of some 7-alkyl-2-chloro-1,4-dihydro-4-oxothieno[2,3-6]pyridine-5-carboxylic acids

El-Abadelah, Mustafa M.,Sabri, Salim S.,Al-Ashqar, Haneen A.

, p. 255 - 264 (2007/10/03)

A selected set of 7-alkyl-4-oxothieno[2,3-b]pyridine-5-carboxylic acids (7) and their methyl esters (6) were prepared by cyclization of the respective 3-N-alkylamino-2-(2,5-dichloro-3-thienoyl)acrylates (5) which, in turn, are accessible via methyl 3-(2,5-dichlorothien-3-yl)-3-oxopropanoate (3). Of the present series, the N-cyclopropyl derivative (7b) exhibited the highest potency against Escherichia coli (MIC = 0.5 μg/ml).

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