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CAS

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423768-37-0

1-Phenyl-1H-pyrazole-5-carbonyl chloride is a chemical compound with the molecular formula C10H7ClN2O. It is a carbonyl chloride derivative of pyrazole, characterized by its high reactivity due to the presence of a carbonyl chloride group. This reactivity makes it a valuable intermediate in the synthesis of various pharmaceuticals and agrochemicals. It is essential to handle this compound with care, as it can cause skin and eye irritation and should only be used in a laboratory setting by trained professionals following appropriate safety protocols.

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  • 423768-37-0 Structure

  • Basic information

    1. Product Name: 1-PHENYL-1H-PYRAZOLE-5-CARBONYL CHLORIDE
    2. Synonyms: 1-PHENYL-1H-PYRAZOLE-5-CARBONYL CHLORIDE;5-(Chlorocarbonyl)-1-phenyl-1H-pyrazole, [5-(Chlorocarbonyl)-1H-pyrazol-1-yl]benzene
    3. CAS NO:423768-37-0
    4. Molecular Formula: C10H7ClN2O
    5. Molecular Weight: 206.63
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 423768-37-0.mol

  • Chemical Properties

    1. Melting Point: 55 °C
    2. Boiling Point: 144 °C
    3. Flash Point: 147.6°C
    4. Appearance: /
    5. Density: 1.3g/cm3
    6. Vapor Pressure: 0.000319mmHg at 25°C
    7. Refractive Index: 1.623
    8. Storage Temp.: N/A
    9. Solubility: N/A
    10. PKA: -3.61±0.10(Predicted)
    11. CAS DataBase Reference: 1-PHENYL-1H-PYRAZOLE-5-CARBONYL CHLORIDE(CAS DataBase Reference)
    12. NIST Chemistry Reference: 1-PHENYL-1H-PYRAZOLE-5-CARBONYL CHLORIDE(423768-37-0)
    13. EPA Substance Registry System: 1-PHENYL-1H-PYRAZOLE-5-CARBONYL CHLORIDE(423768-37-0)

  • Safety Data

    1. Hazard Codes: C
    2. Statements: 34
    3. Safety Statements: 26-36/37/39-45
    4. RIDADR: 3261
    5. WGK Germany:
    6. RTECS:
    7. HazardClass: N/A
    8. PackingGroup: N/A
    9. Hazardous Substances Data: 423768-37-0(Hazardous Substances Data)

423768-37-0 Usage

Uses

Used in Pharmaceutical Industry:
1-Phenyl-1H-pyrazole-5-carbonyl chloride is used as a key intermediate in the synthesis of various pharmaceuticals. Its reactivity allows for the formation of amides and esters, which are crucial in the development of new drugs with specific therapeutic properties.
Used in Agrochemical Industry:
In the agrochemical industry, 1-Phenyl-1H-pyrazole-5-carbonyl chloride serves as an important building block for the synthesis of agrochemicals. Its ability to form amides and esters contributes to the creation of compounds with pesticidal or herbicidal properties, enhancing crop protection and yield.
Used in Organic Synthesis:
1-Phenyl-1H-pyrazole-5-carbonyl chloride is used as a versatile reagent in organic synthesis. Its high reactivity facilitates the formation of various chemical bonds, making it a valuable tool for the synthesis of complex organic molecules and compounds with specific applications in research and industry.

Check Digit Verification of cas no

The CAS Registry Mumber 423768-37-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,3,7,6 and 8 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 423768-37:
(8*4)+(7*2)+(6*3)+(5*7)+(4*6)+(3*8)+(2*3)+(1*7)=160
160 % 10 = 0
So 423768-37-0 is a valid CAS Registry Number.
InChI:InChI=1/C10H7ClN2O/c11-10(14)9-6-7-12-13(9)8-4-2-1-3-5-8/h1-7H

423768-37-0SDS

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-phenylpyrazole-3-carbonyl chloride

1.2 Other means of identification

Product number -
Other names 2-phenylpyrazol-3-carbonyl chloride

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:423768-37-0 SDS

423768-37-0Relevant articles and documents

Pyrazole analogues of prazosin

Ermondi, Giuseppe,Boschi, Donatella,Di Stilo, Antonella,Tironi, Carla,Gasco, Alberto

, p. 519 - 524 (2007/10/03)

A series of analogues of prazosin, in which 1-methyl or 1- phenylpyrazole moieties were substituted for the furan ring, were synthesized and studied for their α1-adrenoceptor antagonist activity. The role of the five member heterocyclic substru

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