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18431-82-8

(-)-BETA-CHAMIGRENE is a sesquiterpene compound characterized by a spiro[5.5]undecane core structure with a methylene group at the 11-position and methyl groups at the 3,7,7-positions. It belongs to the chamigrene class, which is notable for its presence in marine organisms, including red algae and sponges, and often features halogenated derivatives. (-)-BETA-CHAMIGRENE's stereochemistry and structural framework make it a subject of interest in both natural product isolation and synthetic chemistry, as demonstrated by its total synthesis and its role as a precursor or analog in complex molecular architectures.

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  • 18431-82-8 Structure

  • Basic information

    1. Product Name: (-)-BETA-CHAMIGRENE
    2. Synonyms: Spiro[5.5]undec-2-ene, 3,7,7-trimethyl-11-methylene-, (-)-;Spiro[5.5]undec-2-ene, 3,7,7-trimethyl-11-methylene-, (R)-;(-)-β-chamigrene;(R)-3,7,7-Trimethyl-11-methylenespiro[5.5]undec-2-ene;(R)-3,7,7-Trimethyl-11-methylenespiro[5.5]undeca-2-ene;[R,(-)]-3,7,7-Trimethyl-11-methylenespiro[5.5]undeca-2-ene;(-)-beta-Chamigrene technical, ~90% (sum of enantiomers, GC);3,7,7-Trimethyl-11-methylenespiro[5.5]undec-2-ene
    3. CAS NO:18431-82-8
    4. Molecular Formula: C15H24
    5. Molecular Weight: 204.35106
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 18431-82-8.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: 273.2°Cat760mmHg
    3. Flash Point: 107.3°C
    4. Appearance: /
    5. Density: 0.89g/cm3
    6. Vapor Pressure: 0.00969mmHg at 25°C
    7. Refractive Index: n20/D 1.511
    8. Storage Temp.: 2-8°C
    9. Solubility: N/A
    10. CAS DataBase Reference: (-)-BETA-CHAMIGRENE(CAS DataBase Reference)
    11. NIST Chemistry Reference: (-)-BETA-CHAMIGRENE(18431-82-8)
    12. EPA Substance Registry System: (-)-BETA-CHAMIGRENE(18431-82-8)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany: 3
    5. RTECS:
    6. F: 10-23
    7. HazardClass: N/A
    8. PackingGroup: N/A
    9. Hazardous Substances Data: 18431-82-8(Hazardous Substances Data)

18431-82-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18431-82-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,4,3 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 18431-82:
(7*1)+(6*8)+(5*4)+(4*3)+(3*1)+(2*8)+(1*2)=108
108 % 10 = 8
So 18431-82-8 is a valid CAS Registry Number.
InChI:InChI=1/C15H24/c1-12-7-10-15(11-8-12)13(2)6-5-9-14(15,3)4/h7H,2,5-6,8-11H2,1,3-4H3/t15-/m1/s1

18431-82-8 Well-known Company Product Price

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  • Aldrich

  • (22480)  (−)-β-Chamigrene  technical, ~90% (sum of enantiomers, GC)

  • 18431-82-8

  • 22480-100MG-F

  • 3,184.74CNY

  • Detail

18431-82-8SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name (-)-β-chamigrene

1.2 Other means of identification

Product number -
Other names (-)-beta-chamigrene

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:18431-82-8 SDS

18431-82-8Downstream Products

18431-82-8Relevant articles and documents

Acid-catalyzed rearrangements of (-)-thujopsene

Yarovaya,Polovinka,Korchagina,Gatilov,Bagryanskaya,Shcherbukhin,Shal'ko,Zenkovets,Barkhash

, p. 362 - 374 (2007/10/03)

The transformations of (-)-thujopsene in liquid (HSO3F-SO2FCl) and over solid (TiO2/SO24) superacids, as well as by the action of peroxy acids, were studied. New tricyclic hydrocarbons were isolated.

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