19854-92-3

• 

• Basic information

  1. Product Name: phenyl(1H-pyrazol-5-yl)methanone
  2. Synonyms:
  3. CAS NO:19854-92-3
  4. Molecular Formula: C₁₀H₈N₂O
  5. Molecular Weight: 172.1833
  6. EINECS: N/A
  7. Product Categories: N/A
  8. Mol File: 19854-92-3.mol
  9. Article Data: 6

• Chemical Properties

  1. Melting Point: N/A
  2. Boiling Point: 370.7°C at 760 mmHg
  3. Flash Point: 181.5°C
  4. Appearance: N/A
  5. Density: 1.237g/cm³
  6. Vapor Pressure: 1.09E-05mmHg at 25°C
  7. Refractive Index: 1.615
  8. Storage Temp.: N/A
  9. Solubility: N/A
  10. CAS DataBase Reference: phenyl(1H-pyrazol-5-yl)methanone(CAS DataBase Reference)
  11. NIST Chemistry Reference: phenyl(1H-pyrazol-5-yl)methanone(19854-92-3)
  12. EPA Substance Registry System: phenyl(1H-pyrazol-5-yl)methanone(19854-92-3)

• 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: 19854-92-3(Hazardous Substances Data)

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• SDS
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• Article

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• phenyl-(2H-pyrazol-3-yl)methanone

  Cas No: 19854-92-3

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• phenyl-(2H-pyrazol-3-yl)methanone cas 19854-92-3

  Cas No: 19854-92-3

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• Hangzhou Fandachem Co.,Ltd
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• phenyl(1H-pyrazol-5-yl)methanone

  Cas No: 19854-92-3

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• ZHEJIANG JIUZHOU CHEM CO.,LTD
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19854-92-3 Usage

General Description

Phenyl(1H-pyrazol-5-yl)methanone, also known as 1-phenyl-5-pyrazolone, is a chemical compound with the molecular formula C11H8N2O. It is a heterocyclic ketone with a phenyl group attached to a pyrazole ring. phenyl(1H-pyrazol-5-yl)methanone is commonly used in organic synthesis and pharmaceutical research as a building block for the synthesis of various biologically active compounds. It has also been studied for its potential anti-inflammatory and analgesic properties. Additionally, phenyl(1H-pyrazol-5-yl)methanone has been identified as a potential scaffold for the development of new drugs and has shown promising results in medicinal chemistry studies.

Check Digit Verification of cas no

The CAS Registry Mumber 19854-92-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,8,5 and 4 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 19854-92:
(7*1)+(6*9)+(5*8)+(4*5)+(3*4)+(2*9)+(1*2)=153
153 % 10 = 3
So 19854-92-3 is a valid CAS Registry Number.

19854-92-3SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name	phenyl(1H-pyrazol-5-yl)methanone

1.2 Other means of identification

Product number	-
Other names	3-Benzoylpyrazol

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:19854-92-3 SDS

19854-92-3Upstream product

• 186581-53-3 diazomethane 
• 3306-07-8 1-benzoyl-2-chloroethene 
• 960-41-8 (E)-1-phenyl-3-(phenylsulfonyl)prop-2-en-1-one 
• 21860-48-0 (E)-1-phenyl-3-tosylprop-2-en-1-one 
• 222718-47-0 (E)-3-(4-Chloro-benzenesulfonyl)-1-phenyl-propenone 
• 1434140-10-9 ethyl 2-diazo-1-phenylbut-3-en-1-one 
• 325829-88-7 phenyl-[4-(toluene-4-sulfonyl)-4,5-dihydro-1H-pyrazol-3-yl]-methanone 
• 325829-87-6 [4-(4-chloro-benzenesulfonyl)-4,5-dihydro-1H-pyrazol-3-yl]-phenyl-methanone 
• 325829-86-5 (4-benzenesulfonyl-4,5-dihydro-1H-pyrazol-3-yl)-phenyl-methanone 
• 82706-88-5 5-Benzoyl-3,4-dihydro-2H-pyrazole-3-carbonitrile 
• 3623-15-2 phenyl propargyl ketone 
• 133228-23-6 1-(Dimethylsulfamoyl)-5-pyrazol 
• 141621-21-8 phenyl 1-<2-(trimethylsilyl)ethoxy>methyl-1H-pyrazole-5-yl ketone 
• 3282-32-4 2-diazo-acetophenone 

19854-92-3Downstream Products

19854-92-3Relevant articles and documents

Gold(I)-Catalyzed Reactions between 2-(1-Alkynyl)-2-alken-1-ones and Vinyldiazo Ketones for Divergent Synthesis of Nonsymmetric Heteroaryl-Substituted Triarylmethanes: N-versus C-Attack Paths

Kardile, Rahul Dadabhau,Liu, Rai-Shung

supporting information, p. 8229 - 8233 (2020/11/03)

Gold-catalyzed synthesis of nonsymmetrical heteroaryl-substituted triarylmethanes using 2-(1-alkynyl)-2-alken-1-ones and vinyldiazo ketones is described. In this catalytic sequence, vinyldiazo ketones attack gold-containing 3-furylbenzyl cations to form the observed C(1)-addition products. We also note that vinyldiazo ketones can be thermally cyclized to yield pyrazole derivatives, which can react with 3-furylbenzyl cations to afford pyrazole-containing triarylmethanes, corresponding to a N(5)-addition path.

4-Methoxybenzyl (PMB), a versatile protecting group for the regiospecific lithiation and functionalization of pyrazoles

Subramanyam

, p. 761 - 774 (2007/10/02)

The use of 4-methoxybenzyl (PMB) protecting group for the regiospecific metallation/functionalisation of pyrazole is reported.

Carbodesilylation of (Trimethylsilyl)imidazoles and -pyrazoles

Effenberger, Franz,Roos, Michael,Ahmad, Roshan,Krebs, Andreas

, p. 1639 - 1650 (2007/10/02)

The preparation of the 1-methyl(trimethylsilyl) (TMS)-substituted imidazoles 3a, 4a, 8, 9, and 11a by silylation of the corresponding metallated imidazoles is described.Carbodesilylation of 3 with aldehydes or carboxylic halogenides occurs selectively in 2-position.In the presence of a strong base (CsF) the reactivity against carbon electrophiles correlates well with the stability of the imidazolyl anions; regioselective carbodesilylation in 2-, 5-, or 4-position of the twofold TMS-substituted imidazoles 3a and 9 therefore is possible, which allows the synthesis of a great variety of hydroxyalkyl-substituted imidazoles and of acylimidazoles.By using the dimethylsulfamoyl substituent as an N-protecting group, the N-unsubstituted 5-benzoylimidazole (26) as well as the comparable 5-benzoyl-pyrazole (30b) and 5-(hydroxyphenylmethyl)pyrazole (30a) are accessible. Key Words : Imidazoles, (trimethylsilyl)-, carbodesilylation of / Pyrazoles, (trimethylsilyl)-, carbodesilylation of / Carbodesilylation

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