Azido-PEG3-CH2CO2-t-Bu - ≥98% , CAS No.172531-36-1

CAS: 172531-36-1 Cat. No.: A596274 Molecular Weight: 289.33
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
tert-Butyl 2-(2-(2-(2-azidoethoxy)ethoxy)ethoxy)acetate | Azido-PEG3-C-Boc
Storage
Protected from light,Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
A596274-250mg
3
$79.90
1g
A596274-1g
2
$183.90
5g
A596274-5g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$833.90
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Protected from light,Store at -20°C,Argon charged Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Azido-PEG3-CH2CO2-t-Bu is a PEG derivative containing an azide group and a t-butyl ester. The hydrophilic PEG spacer increases solubility in aqueous media. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. The t-butyl protected carboxyl group can be deprotected under acidic conditions.

Specifications

Synonyms
tert-Butyl 2-(2-(2-(2-azidoethoxy)ethoxy)ethoxy)acetate | Azido-PEG3-C-Boc
Specifications & Purity
≥98%
Storage
Protected from light, 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.
Purity
≥98%
Names and Identifiers
Canonical SmilesCC(C)(C)OC(=O)COCCOCCOCCN=[N+]=[N-]
IUPAC Nametert-butyl 2-[2-[2-(2-azidoethoxy)ethoxy]ethoxy]acetate
InChIKeyHMWOUJOCAQZURC-UHFFFAOYSA-N
INCHI1S/C12H23N3O5/c1-12(2,3)20-11(16)10-19-9-8-18-7-6-17-5-4-14-15-13/h4-10H2,1-3H3
Isomeric SMILES CC(C)(C)OC(=O)COCCOCCOCCN=[N+]=[N-]
Molecular Weight 289.33
Reaxy-Rn 8775772
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=8775772&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic 1,3-dipolar compounds
ClassAllyl-type 1,3-dipolar organic compounds
SubclassAzo imides
Intermediate Tree Nodes Not available
Direct ParentAzo imides
Alternative Parents Carboxylic acid esters  Azo compounds  Monocarboxylic acids and derivatives  Dialkyl ethers  Organic salts  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  Organic cations  
Molecular FrameworkAliphatic acyclic compounds
Substituents Azo compound - Azo imide - Carboxylic acid ester - Carboxylic acid derivative - Dialkyl ether - Ether - Monocarboxylic acid or derivatives - Organonitrogen compound - Carbonyl group - Organic oxygen compound - Organic nitrogen compound - Organic oxide - Organooxygen compound - Organic salt - Hydrocarbon derivative - Organic cation - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as azo imides. These are n-Imides of azo compounds, analogous to azoxy compounds, having a delocalized structure.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





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.

3 results found

Lot NumberCertificate TypeDateItem
I2525162Certificate of AnalysisJul 21, 2025 A596274
I2525163Certificate of AnalysisJul 21, 2025 A596274
I2525164Certificate of AnalysisJul 21, 2025 A596274
Chemical and Physical Properties
SolubilitySolubility in DMSO, DCM, DMF
Molecular Weight289.330 g/mol
XLogP31.600
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count7
Rotatable Bond Count13
Exact Mass289.164 Da
Monoisotopic Mass289.164 Da
Topological Polar Surface Area68.400 Ų
Heavy Atom Count20
Formal Charge0
Complexity311.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
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