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4705-09-3

3,5,5-Trimethyl-4-(1-methylethylidene)-2-cyclohexen-1-one, also known as 3,5,5-trimethyl-4-isopropylidene-2-cyclohexen-1-one, is a chemical compound with the molecular formula C??H??O. It is a colorless liquid with a strong, pungent odor. 3,5,5-Trimethyl-4-(1-methylethylidene)-2-cyclohexen-1-one is an organic molecule that belongs to the class of cyclohexenones, which are cyclic ketones with a double bond. It is characterized by the presence of three methyl groups (CH?) at the 3rd, 5th, and 5th carbon atoms, and an isopropylidene group (CH(CH?)?) at the 4th carbon atom. 3,5,5-Trimethyl-4-(1-methylethylidene)-2-cyclohexen-1-one is used as a fragrance ingredient and can be found in various consumer products such as perfumes, soaps, and cosmetics. It is synthesized through chemical reactions and is known for its stability and resistance to degradation.

4705-09-3

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4705-09-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4705-09-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,7,0 and 5 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4705-09:
(6*4)+(5*7)+(4*0)+(3*5)+(2*0)+(1*9)=83
83 % 10 = 3
So 4705-09-3 is a valid CAS Registry Number.
InChI:InChI=1/C12H18O/c1-8(2)11-9(3)6-10(13)7-12(11,4)5/h6H,7H2,1-5H3

4705-09-3SDS

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 3,5,5-trimethyl-4-propan-2-ylidenecyclohex-2-en-1-one

1.2 Other means of identification

Product number -
Other names 3,5,5-trimethyl-4-propan-2-ylidene-cyclohex-2-en-1-one

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

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More Details:4705-09-3 SDS

4705-09-3Downstream Products

4705-09-3Relevant articles and documents

Novel synthesis of degradation products of carotenoids, megastigmatrienone analogues and blumenol-A

Ito, Nobuhiko,Etoh, Takeaki,Hagiwara, Hisahiro,Kato, Michiharu

, p. 1571 - 1579 (2007/10/03)

Synthesis of 4-alkylidene-3,5,5-trimethylcyclohex-2-enones 7 has been achieved utilising 1,4-conjugate dehydrobromination of allylic bromides 5 as a key step. This chemical transformation is applied to the synthesis of degradation products of carotenoids: megastigmatrienones 7e/1-4,4-methylene-3,5,5-trimethylcyclohex-2-enone 7a, 4-(3-hydroxybutylidene)-3,5,5-trimethylcyclohex-2-enone 9,1,3,7,7-tetramethyl-2-oxabicyclo[4.4.0]dec-5-en-9-one 10a-b and 3,4,7,8-tetrahydro-4,4,7-trimethylnaphthalen-2(6H)-one 15. A novel photoisomerisation of 4-[(Z)-3-acetoxybut-2-enyl]-4-hydroxy-3,5,5-trimethylcyclohex-2-enone 19 to 4-[(E)-3-acetoxybut-2-enyl]-4-hydroxy-3,5,5-trimethylcyclohex-2-enone 20 enables us to synthesise blumenol-A 21.

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