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CAS

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128767-23-7

(5E)-5-[(dimethylamino)methylidene]-2-ethyl-3-oxo-3,5,6,7-tetrahydro-2H-cyclopenta[c]pyridine-4-carbonitrile is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 128767-23-7 Structure

  • Basic information

    1. Product Name: (5E)-5-[(dimethylamino)methylidene]-2-ethyl-3-oxo-3,5,6,7-tetrahydro-2H-cyclopenta[c]pyridine-4-carbonitrile
    2. Synonyms:
    3. CAS NO:128767-23-7
    4. Molecular Formula: C14H17N3O
    5. Molecular Weight: 243.3043
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 128767-23-7.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: 421.3°C at 760 mmHg
    3. Flash Point: 208.6°C
    4. Appearance: N/A
    5. Density: 1.18g/cm3
    6. Vapor Pressure: 2.64E-07mmHg at 25°C
    7. Refractive Index: 1.591
    8. Storage Temp.: N/A
    9. Solubility: N/A
    10. CAS DataBase Reference: (5E)-5-[(dimethylamino)methylidene]-2-ethyl-3-oxo-3,5,6,7-tetrahydro-2H-cyclopenta[c]pyridine-4-carbonitrile(CAS DataBase Reference)
    11. NIST Chemistry Reference: (5E)-5-[(dimethylamino)methylidene]-2-ethyl-3-oxo-3,5,6,7-tetrahydro-2H-cyclopenta[c]pyridine-4-carbonitrile(128767-23-7)
    12. EPA Substance Registry System: (5E)-5-[(dimethylamino)methylidene]-2-ethyl-3-oxo-3,5,6,7-tetrahydro-2H-cyclopenta[c]pyridine-4-carbonitrile(128767-23-7)

  • 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: 128767-23-7(Hazardous Substances Data)

128767-23-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128767-23-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,7,6 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 128767-23:
(8*1)+(7*2)+(6*8)+(5*7)+(4*6)+(3*7)+(2*2)+(1*3)=157
157 % 10 = 7
So 128767-23-7 is a valid CAS Registry Number.

128767-23-7SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name (5E)-5-(dimethylaminomethylidene)-2-ethyl-3-oxo-6,7-dihydrocyclopenta[c]pyridine-4-carbonitrile

1.2 Other means of identification

Product number -
Other names N-Ethyl-4-cyano-5-N',N'-dimethylaminomethylene-2,3,5,6-tetrahydro-7H-cyclopenta<1,2-c>pyridin-3-one

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:128767-23-7 SDS

128767-23-7Downstream Products

128767-23-7Relevant articles and documents

ACETALS OF LACTAMS AND ACID AMIDES. 55. STUDY OF REACTION OF 3-OXOPYRIDINE AND ISOQUINOLIN-3-ONE DERIVATIVES WITH DIMETHYLFORMAMIDE DIETHYL ACETAL

Guss, L. T.,Ershov, L. V.,Bogdanova, G. A.,Granik, V. G.

, p. 183 - 188 (2007/10/02)

The reactions of 4-carbamoyl- and 4-cyanopyridin-3-one and 4-cyanoisoquinolin-3-one with DMFA diethyl acetal were studied, and hydrogenated di- and trimethylene derivatives of 2,7-naphthyridine-1,8-dione were synthesized.It was found that O- or N-alkylation reactions of the pyridone fragment of the starting bicyclic compounds take place together with the condensation of the DMFA acetal at the amide amino group or the active methylene unit.

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