Tetradecamethylcycloheptasiloxane

Name: Tetradecamethylcycloheptasiloxane
Brand: Vaqora Chemicals
SKU: VQ-038945

About Tetradecamethylcycloheptasiloxane

Vaqora Chemicals supplies Tetradecamethylcycloheptasiloxane, an API impurity reference standard registered under CAS number 107-50-6. With the molecular formula C14H42O7Si7, it has a molar mass of 519.07 g/mol. It is also known as Cyclomethicone 7 or Cycloheptasiloxane, tetradecamethyl-.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

Pharmaceutical QC and development laboratories use this impurity standard of the parent drug substance to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Specifications & identifiers

Chemical identifiers
Product name	Tetradecamethylcycloheptasiloxane
Catalogue No.	VQ-038945
CAS Number	107-50-6
IUPAC name	2,2,4,4,6,6,8,8,10,10,12,12,14,14-tetradecamethyl-1,3,5,7,9,11,13-heptaoxa-2,4,6,8,10,12,14-heptasilacyclotetradecane
Molecular formula	C₁₄H₄₂O₇Si₇
Molecular weight	519.07 g/mol
Exact mass	518.1315
Grade	Reference Standard
HSN code	38229090
InChIKey	GSANOGQCVHBHIF-UHFFFAOYSA-N
SMILES	C[Si]1(O[Si](O[Si](O[Si](O[Si](O[Si](O[Si](O1)(C)C)(C)C)(C)C)(C)C)(C)C)(C)C)C
PubChem CID	7874

Physical properties
Physical form	Solid
H-bond donors / acceptors	0 / 7
TPSA	64.6 Å²
Synonyms	Cyclomethicone 7, Cycloheptasiloxane, tetradecamethyl-, Tetradecamethylcyclotetradecaneheptasiloxane, Cycloheptasiloxane,2,2,4,4,6,6,8,8,10,10,12,12,14,14-tetradecamethyl-, 2,2,4,4,6,6,8,8,10,10,12,12,14,14-Tetradecamethylcycloheptasiloxane, 2,2,4,4,6,6,8,8,10,10,12,12,14,14-Tetradecamethylcycloheptasiloxane #, D-7

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Tetradecamethylcycloheptasiloxane?

The CAS Registry Number of Tetradecamethylcycloheptasiloxane is 107-50-6. It is also known as Cyclomethicone 7, Cycloheptasiloxane, tetradecamethyl-, Tetradecamethylcyclotetradecaneheptasiloxane.

What is the molecular formula and molecular weight of Tetradecamethylcycloheptasiloxane?

Tetradecamethylcycloheptasiloxane has the molecular formula C14H42O7Si7 and a molecular weight of 519.07 g/mol. Its IUPAC name is 2,2,4,4,6,6,8,8,10,10,12,12,14,14-tetradecamethyl-1,3,5,7,9,11,13-heptaoxa-2,4,6,8,10,12,14-heptasilacyclotetradecane.

Which grade and pack sizes of Tetradecamethylcycloheptasiloxane can I order?

We supply Tetradecamethylcycloheptasiloxane in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Tetradecamethylcycloheptasiloxane?

Yes. Every lot of Tetradecamethylcycloheptasiloxane is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Tetradecamethylcycloheptasiloxane be shipped internationally?

Yes. We export Tetradecamethylcycloheptasiloxane worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.