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181276-86-8

2-Cyclopenten-1-ol, 2-ethynyl-5,5-dimethyl- (9CI) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 181276-86-8 Structure

  • Basic information

    1. Product Name: 2-Cyclopenten-1-ol, 2-ethynyl-5,5-dimethyl- (9CI)
    2. Synonyms: 2-Cyclopenten-1-ol, 2-ethynyl-5,5-dimethyl- (9CI)
    3. CAS NO:181276-86-8
    4. Molecular Formula: C9H12O
    5. Molecular Weight: 136.19098
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 181276-86-8.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: /
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: 2-Cyclopenten-1-ol, 2-ethynyl-5,5-dimethyl- (9CI)(CAS DataBase Reference)
    10. NIST Chemistry Reference: 2-Cyclopenten-1-ol, 2-ethynyl-5,5-dimethyl- (9CI)(181276-86-8)
    11. EPA Substance Registry System: 2-Cyclopenten-1-ol, 2-ethynyl-5,5-dimethyl- (9CI)(181276-86-8)

  • 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: 181276-86-8(Hazardous Substances Data)

181276-86-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 181276-86-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,1,2,7 and 6 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 181276-86:
(8*1)+(7*8)+(6*1)+(5*2)+(4*7)+(3*6)+(2*8)+(1*6)=148
148 % 10 = 8
So 181276-86-8 is a valid CAS Registry Number.

181276-86-8Downstream Products

181276-86-8Relevant articles and documents

119. 2-Alkynylcyclopent-2-enols from 2-alkynylcyclohex-2-enones via 1-alkynyl-7-oxabicyclo[4.1.0]heptan-2-ones

Sander, Birgit,Andresen, Sven,Reichow, Stefan,Dubois, Katia,Agosta, William C.,Margaretha, Paul

, p. 1428 - 1434 (2007/10/03)

2-Alkynylcyclohex-2-enones 1a-c and 2a-c react with H2O2/NaOH in MeOH to afford 1-alkynyl-7-oxabicyclo[4.1.0]heptan-2-ones 3a-c and 4a-c, respectively. The 3-unsubstituted bicyclic epoxy ketones 3a, 3b, and 4a, 4b react further with H2O2/NaOH, undergoing ring contraction and (formal) decarbonylation to give 2-alkynylcyclopent-2-enols 5a, 5b, and 6a, 6b, respectively. Epoxy ketones 3 are also obtained under neutral conditions on irradiation (λ = 350 nm) of cyclohexenones 1 in air-saturated benzene solution. Similarly, under neutral conditions oxo-cycloalkenecarbonitriles 8 react (thermally) with H2O2 in MeCN to give the oxabicyclic carbonitriles 9.

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