Cyclopentakis(1,4-butylene Terephthalate)

Name: Cyclopentakis(1,4-butylene Terephthalate)
Brand: Vaqora Chemicals
SKU: VQ-032465

About Cyclopentakis(1,4-butylene Terephthalate)

Listed under CAS 82298-33-7, Cyclopentakis(1,4-butylene Terephthalate) is a process intermediate or related compound of Pharacine available from Vaqora Chemicals. Formula C60H60O20, molecular weight 1101.1 g/mol. Common synonyms include PBT Pentamer and [TPA-BG]5.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Good laboratory practice and suitable PPE are recommended during handling.

Process chemists and analysts use it when developing synthetic routes to Pharacine, tracking process-related impurities and validating analytical methods. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Cyclopentakis(1,4-butylene Terephthalate) in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development
Fine chemical synthesis

Industries

Related to Pharacine

View every impurity, metabolite and intermediate we list for Pharacine.

Pharacine impurities

Specifications & identifiers

Chemical identifiers
Product name	Cyclopentakis(1,4-butylene Terephthalate)
Catalogue No.	VQ-032465
CAS Number	82298-33-7
IUPAC name	3,8,15,20,27,32,39,44,51,56-decaoxahexacyclo[56.2.2.210,13.222,25.234,37.246,49]heptaconta-1(61),10,12,22,24,34(66),35,37(65),46(64),47,49(63),58(62),59,67,69-pentadecaene-2,9,14,21,26,33,38,45,50,57-decone
Molecular formula	C₆₀H₆₀O₂₀
Molecular weight	1101.1 g/mol
Exact mass	1100.3678
InChIKey	AYTNDRBDLBIUPZ-UHFFFAOYSA-N
SMILES	C1CCOC(=O)C2=CC=C(C=C2)C(=O)OCCCCOC(=O)C3=CC=C(C=C3)C(=O)OCCCCOC(=O)C4=CC=C(C=C4)C(=O)OCCCCOC(=O)C5=CC=C(C=C5)C(=O)OCCCCOC(=O)C6=CC=C(C=C6)C(=O)OC1
PubChem CID	126969147

Physical properties
Physical form	Solid
LogP (XLogP3)	10.6
H-bond donors / acceptors	0 / 20
TPSA	263 Å²

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 Cyclopentakis(1,4-butylene Terephthalate)?

The CAS Registry Number of Cyclopentakis(1,4-butylene Terephthalate) is 82298-33-7. It is also known as PBT Pentamer, [TPA-BG]5, Butylene Terephthalate Cyclic Pentamer.

What is the molecular formula and molecular weight of Cyclopentakis(1,4-butylene Terephthalate)?

Cyclopentakis(1,4-butylene Terephthalate) has the molecular formula C60H60O20 and a molecular weight of 1101.1 g/mol.

What is Cyclopentakis(1,4-butylene Terephthalate) used for?

Cyclopentakis(1,4-butylene Terephthalate) is supplied as a characterised reference material related to Pharacine. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Cyclopentakis(1,4-butylene Terephthalate) can I order?

We supply Cyclopentakis(1,4-butylene Terephthalate), 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 Cyclopentakis(1,4-butylene Terephthalate)?

Yes. Every lot of Cyclopentakis(1,4-butylene Terephthalate) 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 Cyclopentakis(1,4-butylene Terephthalate) be shipped internationally?

Yes. We export Cyclopentakis(1,4-butylene Terephthalate) worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.