trans-13-Octadecenoic acid

CAS 693-71-0C18H34O2Biochemicals & Reagents

trans-13-Octadecenoic acid (CAS: 693-71-0), with the molecular formula C18H34O2 and a molecular weight of 282.46 g/mol, is an unsaturated fatty acid. It is characterised by a trans double bond at the 13th carbon position of an 18-carbon chain. This compound finds application in biochemical research and as a specialised reagent in various chemical synthesis pathways.

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trans-13-Octadecenoic acid (C18H34O2) — chemical structure, CAS 693-71-0; Life Science, fine chemical supplied by Tech Serve Solutions

Biochemicals and ReagentsFatty Acids and conjugatesFatty AcylsLipidsMonoenoic fatty acidsOthers

01 /Applications

Biochemical Research

Used as a standard or substrate in studies involving lipid metabolism and enzymatic activity within biological systems. Its specific structure allows for investigations into fatty acid desaturation and elongation pathways.

Chemical Synthesis

Serves as a building block in the synthesis of more complex organic molecules and specialised lipids. The trans double bond offers unique reactivity for targeted chemical modifications.

Analytical Standards

Employed as a reference standard in chromatography techniques like Gas Chromatography (GC) for the identification and quantification of fatty acids in various sample matrices.

02 /Properties

Molecular weight	282.46
Empirical formula	C18H34O2
Assay	~99% (GC)
Storage temperature	−20°C

03 /Safety & handling

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

Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust, fume, gas or vapours
P305IF IN EYES

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xi
Risk statements (R)	36/37/38
Safety statements (S)	26-36

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

04 /Identifiers & registry

CAS number

693-71-0

MDL number

MFCD00213814

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 trans-13-Octadecenoic acid used for?

trans-13-Octadecenoic acid is primarily used in biochemical research and as a reagent in chemical synthesis. It also serves as an analytical standard.

What are the CAS number and formula for trans-13-Octadecenoic acid?

The CAS number for trans-13-Octadecenoic acid is 693-71-0, and its molecular formula is C18H34O2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies trans-13-Octadecenoic acid with an assay of ~99% (GC). TSS does not represent this product as USP, BP, EP, or other pharmacopoeial grades.

What are the safety and handling considerations for this product?

This compound is a Warning substance, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, should be worn. Ensure adequate ventilation.

How is trans-13-Octadecenoic acid packed, shipped, and exported?

Products are typically packed to maintain integrity during transit. TSS is a global supplier and exporter, experienced in shipping fine chemicals worldwide.

How can I request a quote or sample?

To request a quote or a sample of trans-13-Octadecenoic acid, please contact the TSS sales team through our website or via the provided contact details.