Tos-PEG4-acid - ≥98% , CAS No.1453117-42-4

CAS: 1453117-42-4 Cat. No.: T595685 Molecular Weight: 376.42
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
3-(2-(2-(2-(Tosyloxy)ethoxy)ethoxy)ethoxy)propanoic acid
Storage
Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
Application
Antibody Drug Conjugates(ADC), Drug Delivery, Surface Modification, PEGylation of Protein, Peptide & Oligo
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
50mg
T595685-50mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$79.90
100mg
T595685-100mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$502.90

$841.90
Save $339.00 (40.27%)
250mg
T595685-250mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$219.90
500mg
T595685-500mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$1,910.90

$2,251.90
Save $341.00 (15.14%)
1g
T595685-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$699.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

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

🌡

Storage & shipping

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

Tos-PEG4-acid is a type of PROTAC linker, belonging to the PEG category. It can be used for the synthesis of PROTAC molecules.

Specifications

Synonyms
3-(2-(2-(2-(Tosyloxy)ethoxy)ethoxy)ethoxy)propanoic acid
Specifications & Purity
≥98%
Storage
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 SmilesCC1=CC=C(C=C1)S(=O)(=O)OCCOCCOCCOCCC(=O)O
IUPAC Name3-[2-[2-[2-(4-methylphenyl)sulfonyloxyethoxy]ethoxy]ethoxy]propanoic acid
InChIKeyBAXYSSILQKCWFA-UHFFFAOYSA-N
INCHI1S/C16H24O8S/c1-14-2-4-15(5-3-14)25(19,20)24-13-12-23-11-10-22-9-8-21-7-6-16(17)18/h2-5H,6-13H2,1H3,(H,17,18)
Isomeric SMILES CC1=CC=C(C=C1)S(=O)(=O)OCCOCCOCCOCCC(=O)O
Molecular Weight 376.42

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  Benzenesulfonyl compounds  Arylsulfonic acids and derivatives  Organosulfonic acid esters  Sulfonyls  Monocarboxylic acids and derivatives  Dialkyl ethers  Carboxylic acids  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Benzenesulfonate ester - P-methylbenzenesulfonate - Tosyl compound - Arylsulfonic acid or derivatives - Benzenesulfonyl group - Toluene - Organosulfonic acid ester - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Sulfonyl - Monocarboxylic acid or derivatives - Ether - Dialkyl ether - Carboxylic acid - Carboxylic acid derivative - Organic oxygen compound - Organosulfur compound - Organooxygen compound - Organic oxide - Carbonyl group - 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:
Chemical and Physical Properties
SensitivityMoisture sensitive.
Molecular Weight376.400 g/mol
XLogP30.500
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count8
Rotatable Bond Count14
Exact Mass376.119 Da
Monoisotopic Mass376.119 Da
Topological Polar Surface Area117.000 Ų
Heavy Atom Count25
Formal Charge0
Complexity451.000
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
Reviews

Customer Reviews

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.