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123845-05-6

4-Bromo-2-methylimidazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 123845-05-6 Structure

  • Basic information

    1. Product Name: 4-Bromo-2-methylimidazole
    2. Synonyms: 4-Bromo-2-methyl-1H-imidazole; 5-bromo-2-methyl-1H-imidazole
    3. CAS NO:123845-05-6
    4. Molecular Formula: C4H5BrN2
    5. Molecular Weight: 160.9999
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 123845-05-6.mol

  • Chemical Properties

    1. Melting Point: 158-160℃
    2. Boiling Point: 333.9°C at 760 mmHg
    3. Flash Point: 155.7°C
    4. Appearance: N/A
    5. Density: 1.723g/cm3
    6. Vapor Pressure: 0.000257mmHg at 25°C
    7. Refractive Index: 1.584
    8. Storage Temp.: N/A
    9. Solubility: N/A
    10. CAS DataBase Reference: 4-Bromo-2-methylimidazole(CAS DataBase Reference)
    11. NIST Chemistry Reference: 4-Bromo-2-methylimidazole(123845-05-6)
    12. EPA Substance Registry System: 4-Bromo-2-methylimidazole(123845-05-6)

  • Safety Data

    1. Hazard Codes:  Xi:Irritant/Keep Cold;
    2. Statements: R36/37/38:;
    3. Safety Statements: S26-36/37/39:;
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 123845-05-6(Hazardous Substances Data)

123845-05-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123845-05-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,8,4 and 5 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 123845-05:
(8*1)+(7*2)+(6*3)+(5*8)+(4*4)+(3*5)+(2*0)+(1*5)=116
116 % 10 = 6
So 123845-05-6 is a valid CAS Registry Number.

123845-05-6Relevant articles and documents

Highly regioselective C-5 alkynylation of imidazoles by one-pot sequential bromination and Sonogashira cross coupling

Bellina, Fabio,Lessi, Marco,Marianetti, Giulia,Panattoni, Alessandro

supporting information, p. 3855 - 3857 (2015/06/08)

A variety of 2-substituted 5-alkynyl-1H-imidazoles were easily prepared by a one-pot sequential procedure involving a highly regioselective electrophilic C-5 bromination of 1,2-dimethyl-1H-imidazole, 2-chloro-1-methyl-1H-imidazole, and 2-aryl-1-methyl-1H-imidazoles, followed by an efficient palladium/copper co-catalyzed Sonogashira-type alkynylation.

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