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HO-PEG₅-CH₂CH₂COOtBu - 98%, high purity , CAS No.850090-09-4

COA

Grade & Purity:

≥98%

Cas Number: 850090-09-4
Molecular Weight: 366.45
PubChem CID: 53486144
PubChem SID: 504771275

In stock

Item Number

H122154

Grouped product items
SKU	Size	Availability	Price
H122154-250mg	250mg	3	$193.90
H122154-1g	1g	3	$594.90
H122154-5g	5g	2	$2,676.90

View related series

Hydroxy PEG (472) Poly PEG (686) PROTAC (2077) PROTAC Linkers (1898)

Basic Description

Synonyms	tert-Butyl 1-hydroxy-3,6,9,12,15-pentaoxaoctadecan-18-oate \| HO-PEG5-CO-OtBu \| Hydroxy-PEG5-t-butyl ester
Specifications & Purity	≥98%
Storage Temp	Store at -20°C,Argon charged
Shipped In	Ice chest + Ice pads This product requires cold chain shipping. Ground and other economy services are not available.
Product Description	Application： This heterobifunctional, PEGylated crosslinker features a hydroxyl group at one end and t-butyl-protected carboxylic acid at the other, which can be deprotected with acidic conditions. The hydrophillic PEG linker facilitates solubility in biological applications. Hydroxy-PEG5-t-butyl ester can be used for bioconjugation or as a building block for synthesis of small molecules, conjugates of small molecules and/or biomolecules, or other tool compounds for chemical biology and medicinal chemistry that require ligation.

Taxonomic Classification

Taxonomy Tree

Kingdom Organic compounds
- Superclass Organic oxygen compounds
  - Class Organooxygen compounds
    - Subclass Ethers
      - Level5 Dialkyl ethers
        Level6 Polyethylene glycols

Kingdom	Organic compounds
Superclass	Organic oxygen compounds
Class	Organooxygen compounds
Subclass	Ethers
Intermediate Tree Nodes	Dialkyl ethers
Direct Parent	Polyethylene glycols
Alternative Parents	Carboxylic acid esters Monocarboxylic acids and derivatives Primary alcohols Organic oxides Hydrocarbon derivatives Carbonyl compounds
Molecular Framework	Aliphatic acyclic compounds
Substituents	Polyethylene glycol - Carboxylic acid ester - Monocarboxylic acid or derivatives - Carboxylic acid derivative - Organic oxide - Hydrocarbon derivative - Primary alcohol - Carbonyl group - Alcohol - Aliphatic acyclic compound
Description	This compound belongs to the class of organic compounds known as polyethylene glycols. These are oligomers or polymers of ethylene oxide, with the general formula (C2H4O)n (with n>=3).
External Descriptors	Not available
1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61. DOI: 10.1186/s13321-016-0174-y

Names and Identifiers

Pubchem Sid	504771275
Pubchem Sid Url	https://pubchem.ncbi.nlm.nih.gov/substance/504771275
IUPAC Name	tert-butyl 3-[2-[2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]propanoate
INCHI	InChI=1S/C17H34O8/c1-17(2,3)25-16(19)4-6-20-8-10-22-12-14-24-15-13-23-11-9-21-7-5-18/h18H,4-15H2,1-3H3
InChIKey	SNYKXOAOLAFMRH-UHFFFAOYSA-N
Smiles	CC(C)(C)OC(=O)CCOCCOCCOCCOCCOCCO
Isomeric SMILES	CC(C)(C)OC(=O)CCOCCOCCOCCOCCOCCO
Molecular Weight	366.45
Reaxy-Rn	10025371
Reaxys-RN_link_address	https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=10025371&ln=

Certificates（CoA,COO,BSE/TSE and Analysis Chart)

C of A & Other Certificates(BSE/TSE, COO):

Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

4 results found

Lot Number	Certificate Type	Date	Item
C2309768	Certificate of Analysis	Dec 15, 2022	H122154
C2309647	Certificate of Analysis	Dec 15, 2022	H122154
C2309651	Certificate of Analysis	Dec 15, 2022	H122154
C2526105	Certificate of Analysis	Dec 15, 2022	H122154

Chemical and Physical Properties

Refractive Index	1.448
Molecular Weight	366.400 g/mol
XLogP3	-0.400
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	8
Rotatable Bond Count	19
Exact Mass	366.225 Da
Monoisotopic Mass	366.225 Da
Topological Polar Surface Area	92.700 Å²
Heavy Atom Count	25
Formal Charge	0
Complexity	304.000
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
The total count of all stereochemical bonds	0
Covalently-Bonded Unit Count	1

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