Cyclomethicone 5

Name: Cyclomethicone 5
Brand: Zemixal
SKU: ZX-033248

Reference StandardAvailable on request

Buy Cyclomethicone 5 (CAS 541-02-6) from Zemixal. Request a quote with price, lead time and documents. Part of our API Reference Standards range.

Pack sizes

CAS number541-02-6

FormulaC₁₀H₃₀O₅Si₅

Molar mass370.77 g/mol

Physical formSolid

HS code38229090

InChIKeyXMSXQFUHVRWGNA-UHFFFAOYSA-N

IUPAC name2,2,4,4,6,6,8,8,10,10-decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane

About Cyclomethicone 5

Analytical teams working on Cyclomethicone use Cyclomethicone 5 as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 541-02-6, formula C10H30O5Si5 and molar mass 370.77 g/mol. It is handled as a solid.

Where it is used

Identification & assay
Method development & validation
QC reference material

Storage and safety notes

Hazard communication follows GHS (Warning: H227 and H373). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Cyclomethicone

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

Cyclomethicone standards

Typical uses

Identification & assay
Method development & validation
QC reference material

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Cyclomethicone 5
Product name	Cyclomethicone 5
Catalogue number	ZX-033248
CAS number	541-02-6
IUPAC name	2,2,4,4,6,6,8,8,10,10-decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane
Molecular formula	C₁₀H₃₀O₅Si₅
Molar mass	370.77 g/mol
Exact mass	370.094
Grade	Reference Standard
Physical form	Solid
H-bond donors / acceptors	0 / 5
Topological polar surface area	46.2 Å²
HS code	38229090
InChIKey	XMSXQFUHVRWGNA-UHFFFAOYSA-N
SMILES	C[Si]1(O[Si](O[Si](O[Si](O[Si](O1)(C)C)(C)C)(C)C)(C)C)C
PubChem CID	10913
Synonyms	Decamethylcyclopentasiloxane, Dimethylsiloxane pentamer, Dow corning 345, Cyclic dimethylsiloxane pentamer, NUC silicone VS 7158, Silicon SF 1202, Ciclopentasiloxane, KF 995, Cyclopentasiloxane, 2,2,4,4,6,6,8,8,10,10-decamethyl-, KF-995, Lightening Serum, Smooth and Soft Cuticles

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

Safety and GHS hazards

Health hazard

Signal word Warning

H227Combustible liquid
H373May causes damage to organs through prolonged or repeated exposure

Precautionary statements P210, P260, P280, P319, P370 + P378, P403, 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 Cyclomethicone 5
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 Cyclomethicone 5

Which CAS number identifies Cyclomethicone 5?

Cyclomethicone 5 is registered under CAS 541-02-6. You may also see it listed as Decamethylcyclopentasiloxane, Dimethylsiloxane pentamer, Dow corning 345. Our catalogue number for this item is ZX-033248.

What are the formula and molar mass of Cyclomethicone 5?

For Cyclomethicone 5, its formula is C10H30O5Si5 and its molar mass is 370.77 g/mol. The systematic (IUPAC) name is 2,2,4,4,6,6,8,8,10,10-decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane. InChIKey XMSXQFUHVRWGNA-UHFFFAOYSA-N lets you match it in any structure database.

How is Cyclomethicone 5 used in pharmaceutical QC?

Cyclomethicone 5 is a characterised reference material linked to Cyclomethicone. 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 Cyclomethicone 5?

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 Cyclomethicone 5?

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 Cyclomethicone 5 to my country?

Yes. Because Cyclomethicone 5 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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