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4-methylcyclohept-2-en-1-one is a chemical compound with the molecular formula C8H12O. It is a cyclic ketone, featuring a seven-membered ring with a methyl group attached to one of the carbons and a carbonyl group (C=O) at the second position. 4-methylcyclohept-2-en-1-one is an organic molecule that can be found in various natural products and is used in the synthesis of fragrances, pharmaceuticals, and other organic compounds. Its structure provides it with unique chemical properties, making it a valuable intermediate in organic synthesis.

71837-44-0

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71837-44-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71837-44-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,8,3 and 7 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 71837-44:
(7*7)+(6*1)+(5*8)+(4*3)+(3*7)+(2*4)+(1*4)=140
140 % 10 = 0
So 71837-44-0 is a valid CAS Registry Number.

71837-44-0SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 4-methylcyclohept-2-en-1-one

1.2 Other means of identification

Product number -
Other names 4-methyl-2-cycloheptenone

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:71837-44-0 SDS

71837-44-0Downstream Products

71837-44-0Relevant academic research and scientific papers

Formal total synthesis of the trinorguaiane sesquiterpenes (+/-)-clavukerin A and (+/-)-isoclavukerin

Friese, Jan C,Krause, Stefan,Sch?fer, Hans J

, p. 2683 - 2685 (2002)

A formal total synthesis of racemic (+/-)-clavukerin A and (+/-)-isoclavukerin from 4-methylcyclohept-2-en-1-one is presented. The key step involved a Danheiser (trimethylsilyl)cyclopentene annulation.

SYNTHESIS AND STEREOCHEMISTRY OF ACIDOLYLSIS OF SOME CYCLOHEPT-2-ENYLSTANNANES AND -SILANES

Kitching, William,Penman, Kerry G.,Laycock, Bronwyn,Maynard, Ian

, p. 3819 - 3832 (2007/10/02)

A range of methyl-substituted cyclohept-2-enyltrimethylstannanes and trimethylsilanes have been synthesized and characterised by 1H, 13C and 119Sn (or 29Si) nmr spectroscopy.Key conformational characteristics of some of these compounds are discussed.Acidolysis of these stannanes and silanes (with CF3COOD) proceeds cleanly to provide the 2H-substituted methylcycloheptene resulting from allylic rearrangement i.e. regiospecific γ-attack by the electrophile (SE').Detailedexamination of the 2H nmr spectra of the methylcycloheptenes establishes a highly preferred, if not specific, γ-anti mode of electrophile delivery.Thus, this γ-anti-SE' process may from the basis of synthetically useful applications in what is sometimes an awkward ring system for functionalization.

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