Tos-PEG3 - ≥95% , CAS No.77544-68-4

CAS: 77544-68-4 Cat. No.: T412706 Molecular Weight: 304.36 PubChem CID: 10913735
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
MFCD18433414 | 8-tosyloxy-3,6-dioxaoctanol | DS-7505 | PEG4-Tos | 2-[2-(2-hydroxyethoxy)ethoxy]ethyl 4-methylbenzenesulfonate | SCHEMBL483840 | 2-(2-(2-Hydroxyethoxy)ethoxy)ethyl4-methylbenzenesulfonate | ZB0929 | A1-06413 | AMY4496 | A904868 | BP-20690 |
Storage
Store at 2-8°C
Shipped In
Wet ice
Application
227,228,229
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
100mg
T412706-100mg
3
$9.90
250mg
T412706-250mg
3
$10.90
1g
T412706-1g
3

$38.90

$58.90
Save $20.00 (33.96%)
5g
T412706-5g
1

$98.90

$148.90
Save $50.00 (33.58%)
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Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Store at 2-8°C Ships Wet ice Check lot-specific COA for exact specifications.

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Quality documents

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

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Literature proof

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

Overview

Information

Tos-PEG3 is a PEG-based PROTAC linker that is applicable to the synthesis of PROTACs. Tos-PEG3 can be used in the synthesis of 3'-aminooxy oligonucleotides solid supports.

Specifications

Synonyms
MFCD18433414 | 8-tosyloxy-3, 6-dioxaoctanol | DS-7505 | PEG4-Tos | 2-[2-(2-hydroxyethoxy)ethoxy]ethyl 4-methylbenzenesulfonate | SCHEMBL483840 | 2-(2-(2-Hydroxyethoxy)ethoxy)ethyl4-methylbenzenesulfonate | ZB0929 | A1-06413 | AMY4496 | A904868 | BP-20690 |
Specifications & Purity
≥95%
Biochemical and Physiological Mechanisms
Tos-PEG3 is a PEG-based PROTAC linker that is applicable to the synthesis of PROTACs. Tos-PEG3 can be used in the synthesis of 3'-aminooxy oligonucleotides solid supports.
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Canonical SmilesCC1=CC=C(C=C1)S(=O)(=O)OCCOCCOCCO
IUPAC Name2-[2-(2-hydroxyethoxy)ethoxy]ethyl 4-methylbenzenesulfonate
InChIKeyRSUCRUOTLCQWFX-UHFFFAOYSA-N
INCHI1S/C13H20O6S/c1-12-2-4-13(5-3-12)20(15,16)19-11-10-18-9-8-17-7-6-14/h2-5,14H,6-11H2,1H3
Isomeric SMILES CC1=CC=C(C=C1)S(=O)(=O)OCCOCCOCCO
PubChem CID 10913735
Molecular Weight 304.36

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
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassBenzenesulfonic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentBenzenesulfonate esters
Alternative Parents p-Methylbenzenesulfonates  Tosyl compounds  Polyethylene glycols  Benzenesulfonyl compounds  Arylsulfonic acids and derivatives  Organosulfonic acid esters  Sulfonyls  Primary alcohols  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Benzenesulfonate ester - P-methylbenzenesulfonate - Tosyl compound - Polyethylene glycol - Arylsulfonic acid or derivatives - Benzenesulfonyl group - Toluene - Organosulfonic acid ester - Sulfonyl - Organosulfonic acid or derivatives - Organic sulfonic acid or derivatives - Ether - Dialkyl ether - Organic oxide - Alcohol - Primary alcohol - Organosulfur compound - Organooxygen compound - Organic oxygen compound - Hydrocarbon derivative - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzenesulfonate esters. These are arenesulfonate esters that result from the formal condensation of the hydroxy group of an alcohol, enol, phenol or heteroarenol with benzenesulfonic acid.
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.

10 results found

Lot NumberCertificate TypeDateItem
L2413703Certificate of AnalysisNov 14, 2024 T412706
L2413709Certificate of AnalysisNov 14, 2024 T412706
B2421120Certificate of AnalysisJan 09, 2024 T412706
B2421122Certificate of AnalysisJan 09, 2024 T412706
B2421123Certificate of AnalysisJan 09, 2024 T412706
B2421124Certificate of AnalysisJan 09, 2024 T412706
B2421125Certificate of AnalysisJan 09, 2024 T412706
B2421126Certificate of AnalysisJan 09, 2024 T412706
B2421127Certificate of AnalysisJan 09, 2024 T412706
B2421129Certificate of AnalysisJan 09, 2024 T412706
Chemical and Physical Properties
SolubilitySolubility (25°C) In vitro      
Molecular Weight304.360 g/mol
XLogP30.500
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count6
Rotatable Bond Count10
Exact Mass304.098 Da
Monoisotopic Mass304.098 Da
Topological Polar Surface Area90.400 Ų
Heavy Atom Count20
Formal Charge0
Complexity329.000
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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