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1791-36-2

3-Phenylseleno-but-1-in, also known as 3-phenylseleno-1-butyne, is an organic compound characterized by a unique structure that includes a phenyl ring (a benzene ring with a hydrogen atom replaced by a phenyl group) and a butynyl chain (a four-carbon chain with a triple bond at one end). This molecule is of interest in organic chemistry due to its potential applications in the synthesis of various pharmaceuticals and agrochemicals. The presence of the phenylseleno group, which is a phenyl ring with a selenium atom attached, gives 3-Phenylseleno-but-1-in distinct chemical properties, such as increased reactivity and unique electronic effects. These features make 3-phenylseleno-but-1-in a valuable building block in the creation of more complex molecules and a subject of study in the field of organoselenium chemistry.

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  • 1791-36-2 Structure

  • Basic information

    1. Product Name: 3-Phenylseleno-but-1-in
    2. Synonyms: 3-Phenylseleno-but-1-in
    3. CAS NO:1791-36-2
    4. Molecular Formula:
    5. Molecular Weight: 209.149
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 1791-36-2.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: 3-Phenylseleno-but-1-in(CAS DataBase Reference)
    10. NIST Chemistry Reference: 3-Phenylseleno-but-1-in(1791-36-2)
    11. EPA Substance Registry System: 3-Phenylseleno-but-1-in(1791-36-2)

  • 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: 1791-36-2(Hazardous Substances Data)

1791-36-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1791-36-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,9 and 1 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1791-36:
(6*1)+(5*7)+(4*9)+(3*1)+(2*3)+(1*6)=92
92 % 10 = 2
So 1791-36-2 is a valid CAS Registry Number.

1791-36-2Relevant articles and documents

Solution structure and stereochemistry of alkyl- and silyl-substituted allenyl-propargyllithium reagents

Reich, Hans J.,Holladay, Johnathan E.,Walker, Tamara G.,Thompson, Jennifer L.

, p. 9769 - 9780 (1999)

Analysis of 13C chemical shifts and Li-C couplings showed that allenyllithium (5A-Li) was a mixture of monomer and dimer in THF, both with an allenyl structure. Similarly, the metalation products of 2-butyne (6A-Li), 4-methylpentyne (9A-Li), an

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