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CAS

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1190831-14-1

4,4,5,5-tetramethyl-3-phenyl-1-(toluene-4-sulfonyl)-4,5-dihydro-1H-pyrazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 1190831-14-1 Structure

  • Basic information

    1. Product Name: 4,4,5,5-tetramethyl-3-phenyl-1-(toluene-4-sulfonyl)-4,5-dihydro-1H-pyrazole
    2. Synonyms:
    3. CAS NO:1190831-14-1
    4. Molecular Formula:
    5. Molecular Weight: 356.489
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 1190831-14-1.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: 4,4,5,5-tetramethyl-3-phenyl-1-(toluene-4-sulfonyl)-4,5-dihydro-1H-pyrazole(CAS DataBase Reference)
    10. NIST Chemistry Reference: 4,4,5,5-tetramethyl-3-phenyl-1-(toluene-4-sulfonyl)-4,5-dihydro-1H-pyrazole(1190831-14-1)
    11. EPA Substance Registry System: 4,4,5,5-tetramethyl-3-phenyl-1-(toluene-4-sulfonyl)-4,5-dihydro-1H-pyrazole(1190831-14-1)

  • 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: 1190831-14-1(Hazardous Substances Data)

1190831-14-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1190831-14-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,0,8,3 and 1 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1190831-14:
(9*1)+(8*1)+(7*9)+(6*0)+(5*8)+(4*3)+(3*1)+(2*1)+(1*4)=141
141 % 10 = 1
So 1190831-14-1 is a valid CAS Registry Number.

1190831-14-1Relevant articles and documents

Synthesis of 4,5-dihydro-3,4,4,5,5-pentasubstituted-N-tosyl-1H-pyrazoles

Truong, Phong,Kennedy, G. Davon,Vasquez, Pedro C.,Baumstark

, p. 449 - 452 (2008)

Addition of methyl- or phenyllithium to 3,4,4,5-tetrasubstituted-4H- pyrazoles (1a-b) smoothly produced the extremely air-sensitive anions of 4,5-dihydro-3,4,4,5,5-pentasubstituted-1H-pyrazoles (2a-c) which were converted to the N-tosylated compounds 3a-c in low to very good yields by reaction with tosyl fluoride. The two-step process is a convenient one-pot route to 4,5-dihydro-N-tosyl-1H-pyrazoles.

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