cis-2,4,5-Trimethoxy-1-propenylbenzene

CAS 5273-86-9(CH3O)3C6H2CH=CHCH3Chemical Synthesis

cis-2,4,5-Trimethoxy-1-propenylbenzene (CAS 5273-86-9) is an organic compound with a molecular weight of 208.25 g/mol. This chemical, also known as β-Asarone, serves as a valuable building block in organic synthesis. Its structure features a propenyl group attached to a trimethoxybenzene ring, making it useful for the preparation of more complex molecules in research and development settings.

IUPAC: β-Asarone,cis-1-Propenyl-2,4,5-trimethoxybenzene
Synonyms: 5273-86-9β-Asaronecis-1-Propenyl-2,4,5-trimethoxybenzene

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cis-2,4,5-Trimethoxy-1-propenylbenzene ((CH3O)3C6H2CH=CHCH3) — chemical structure, CAS 5273-86-9; Chemistry, fine chemical supplied by Tech Serve Solutions

AcyclicAlkenesBuilding BlocksChemical SynthesisOrganic Building Blocks

01 /Applications

Synthesis of Cinnamaldehyde Derivatives

Used in the preparation of 2,4,5-trimethoxycinnamaldehyde, a derivative used in further synthetic pathways. It was also employed in generating the corresponding tosylhydrazone derivative.

Preparation of Diol Compounds

Applied in the synthesis of 1-(2,4,5-trimethoxyphenyl)-1,2-dihydroxypropane, contributing to the development of novel organic structures.

Organic Building Block

Functions as a versatile intermediate and building block in various organic synthesis projects, facilitating the construction of complex molecular architectures.

02 /Properties

Molecular weight	208.25
Linear formula	(CH3O)3C6H2CH=CHCH3
Assay	70%
Density	1.073 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.558(lit.)
Application	cis-2,4,5-Trimethoxy-1-propenylbenzene (β-Asarone) was used in preparation of:• 2,4,5-trimethoxycinnamaldehyde and 2,4,5-trimethoxycinnamyltosylhydrazone1• 1-(2,4,5-trimethoxyphenyl)-1,2-dihydroxypropane2

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H302Harmful if swallowed

Protective equipment	Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point	113 °C / 235.4 °F
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xn
Risk statements (R)	22
Safety statements (S)	23-24/25

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

5273-86-9

MDL number

MFCD00009281

PubChem substance

24853209

Beilstein registry

1910605

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is cis-2,4,5-Trimethoxy-1-propenylbenzene used for?

cis-2,4,5-Trimethoxy-1-propenylbenzene is used as a building block in organic synthesis, including the preparation of 2,4,5-trimethoxycinnamaldehyde and 1-(2,4,5-trimethoxyphenyl)-1,2-dihydroxypropane.

What is the CAS number and formula for cis-2,4,5-Trimethoxy-1-propenylbenzene?

The CAS number is 5273-86-9 and its linear formula is (CH3O)3C6H2CH=CHCH3.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies cis-2,4,5-Trimethoxy-1-propenylbenzene with an assay of 70%. This product is supplied for laboratory and research purposes and is not represented as USP, BP, EP, or pharmaceutical grade.

How should cis-2,4,5-Trimethoxy-1-propenylbenzene be handled safely?

This compound is harmful if swallowed (H302). Appropriate personal protective equipment includes eyeshields, face shields, gloves, and suitable respiratory protection such as a full-face respirator or an ABEK type filter.