Benzyl-PEG2-Tos - ≥98% , CAS No.4981-83-3

CAS: 4981-83-3 Cat. No.: B596517 Molecular Weight: 306.4 PubChem CID: 561375
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
500mg
B596517-500mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$77.90
1g
B596517-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$128.90
2g
B596517-2g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$255.90
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Why this grade

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

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Storage & shipping

Store at -20°C Ships Ice chest + Ice pads 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.

📚

Literature proof

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

Overview

Benzyl-PEG2-Tos is a PEG derivative with an acid labile, benzyl protecting group. The tosyl group is a good leaving group. The hydrophilic PEG linker increases the water solubility of the compound in aqueous solutions.

Specifications

Specifications & Purity
≥98%
Storage
Store at -20°C
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)OCCOCC2=CC=CC=C2
IUPAC Name2-phenylmethoxyethyl 4-methylbenzenesulfonate
InChIKeyHFNFGZWMDNDYNJ-UHFFFAOYSA-N
INCHI1S/C16H18O4S/c1-14-7-9-16(10-8-14)21(17,18)20-12-11-19-13-15-5-3-2-4-6-15/h2-10H,11-13H2,1H3
Isomeric SMILES CC1=CC=C(C=C1)S(=O)(=O)OCCOCC2=CC=CC=C2
PubChem CID 561375
Molecular Weight 306.4

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  Benzylethers  Benzenesulfonyl compounds  Arylsulfonic acids and derivatives  Organosulfonic acid esters  Sulfonyls  Dialkyl ethers  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Benzenesulfonate ester - P-methylbenzenesulfonate - Tosyl compound - Arylsulfonic acid or derivatives - Benzylether - Benzenesulfonyl group - Toluene - Organosulfonic acid ester - Sulfonyl - Organosulfonic acid or derivatives - Organic sulfonic acid or derivatives - Ether - Dialkyl ether - Organosulfur compound - Organooxygen compound - Organic oxide - 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:
Chemical and Physical Properties
Molecular Weight306.400 g/mol
XLogP32.900
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count7
Exact Mass306.093 Da
Monoisotopic Mass306.093 Da
Topological Polar Surface Area61.000 Ų
Heavy Atom Count21
Formal Charge0
Complexity374.000
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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