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CAS

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1566598-81-9

ethyl 1-(2,5-dimethylphenyl)-4,5-diphenyl-1H-pyrazole-3-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 1566598-81-9 Structure

  • Basic information

    1. Product Name: ethyl 1-(2,5-dimethylphenyl)-4,5-diphenyl-1H-pyrazole-3-carboxylate
    2. Synonyms:
    3. CAS NO:1566598-81-9
    4. Molecular Formula:
    5. Molecular Weight: 396.489
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 1566598-81-9.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: N/A
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: ethyl 1-(2,5-dimethylphenyl)-4,5-diphenyl-1H-pyrazole-3-carboxylate(CAS DataBase Reference)
    10. NIST Chemistry Reference: ethyl 1-(2,5-dimethylphenyl)-4,5-diphenyl-1H-pyrazole-3-carboxylate(1566598-81-9)
    11. EPA Substance Registry System: ethyl 1-(2,5-dimethylphenyl)-4,5-diphenyl-1H-pyrazole-3-carboxylate(1566598-81-9)

  • 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: 1566598-81-9(Hazardous Substances Data)

1566598-81-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1566598-81-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,6,6,5,9 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1566598-81:
(9*1)+(8*5)+(7*6)+(6*6)+(5*5)+(4*9)+(3*8)+(2*8)+(1*1)=229
229 % 10 = 9
So 1566598-81-9 is a valid CAS Registry Number.

1566598-81-9Downstream Products

1566598-81-9Relevant articles and documents

A one-pot approach to ethyl 1,4,5-triaryl-1H-pyrazole-3-carboxylates via an improved claisen condensation-knorr reaction sequence

Zhai, Jiaojiao,Gu, Chunhui,Jiang, Jianan,Zhang, Shunli,Liao, Daohua,Wang, Lei,Zhu, Dunru,Ji, Yafei

, p. 1526 - 1538 (2013)

A one-pot approach to ethyl 1,4,5-triaryl-1H-pyrazole-3-carboxylates has been developed in moderate to high yields. The tert-BuOLi-mediated Claisen condensation of 1,2-diarylethanones and ethyl oxalyl chloride efficiently provided the enolized lithium salts of ethyl 2,4-dioxo-3,4-diarylbutanoates, which in situ reacted with arylhydrazine hydrochlorides via a hydrochloric acid-promoted Knorr reaction to produce the exquisite triarylpyrazole-3- carboxylates. The procedure promises a convenient access to this highly crowded framework for drug discovery. Copyright

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