1-Octadecanal

Name: 1-Octadecanal
Brand: Zemixal
SKU: ZX-036580

Reference StandardAvailable on request

Order 1-Octadecanal (CAS 638-66-4) online at Zemixal: C18H36O, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-036580.

Pack sizes

CAS number638-66-4

FormulaC₁₈H₃₆O

Molar mass268.5 g/mol

Physical formSolid

HS code38229090

InChIKeyFWWQKRXKHIRPJY-UHFFFAOYSA-N

IUPAC nameoctadecanal

About 1-Octadecanal

1-Octadecanal is supplied by Zemixal as a characterised reference material for Acetone analysis. For your records (Reference Standard), the material is defined by CAS 638-66-4, formula C18H36O and molar mass 268.5 g/mol. It is handled as a solid.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Safe handling

Classified under GHS with signal word Warning and hazard statements H315, H319 and H335. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Acetone

See every impurity, metabolite and related compound we list for this API.

Acetone standards

Typical uses

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of 1-Octadecanal
Product name	1-Octadecanal
Catalogue number	ZX-036580
CAS number	638-66-4
IUPAC name	octadecanal
Molecular formula	C₁₈H₃₆O
Molar mass	268.5 g/mol
Exact mass	268.2766
Grade	Reference Standard
Physical form	Solid
XLogP3	8.1
H-bond donors / acceptors	0 / 1
Topological polar surface area	17.1 Å²
HS code	38229090
InChIKey	FWWQKRXKHIRPJY-UHFFFAOYSA-N
SMILES	CCCCCCCCCCCCCCCCCC=O
PubChem CID	12533
Synonyms	Octadecanaldehyde, Stearyl aldehyde, Octadecanal (9CI), Octadecyl aldehyde, n-Octadecanal, FAL 18:0

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Irritant or harmful

Signal word Warning

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of 1-Octadecanal
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about 1-Octadecanal

Which CAS number identifies 1-Octadecanal?

1-Octadecanal is registered under CAS 638-66-4. You may also see it listed as Octadecanaldehyde, Stearyl aldehyde, Octadecanal (9CI). Our catalogue number for this item is ZX-036580.

What are the formula and molar mass of 1-Octadecanal?

For 1-Octadecanal, its formula is C18H36O and its molar mass is 268.5 g/mol. The systematic (IUPAC) name is octadecanal. InChIKey FWWQKRXKHIRPJY-UHFFFAOYSA-N lets you match it in any structure database.

How is 1-Octadecanal used in pharmaceutical QC?

1-Octadecanal is a characterised reference material linked to Acetone. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for 1-Octadecanal?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with 1-Octadecanal?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship 1-Octadecanal to my country?

Yes. Because 1-Octadecanal is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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