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Polyethylene Glycol (PEGs & PEOs)
NH-bis(PEG2-OH) - ≥98% , CAS No.25743-12-8

NH-bis(PEG2-OH) - ≥98% , CAS No.25743-12-8

CAS: 25743-12-8 Cat. No.: N596126 Molecular Weight: 281.4 PubChem CID: 15568202

COA

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NH-bis(PEG2-OH) - ≥98% CAS No(25743-12-8) by Aladdin Scientific

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AVAILABLE TO ORDER

GRADE & PURITY ≥98%

Storage

Store at -20°C

Shipped In

Ice chest + Ice pads

Application

227,228,229

Overview Specifications Names and Identifiers Documentation Advanced Data Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Solution Calculators Reviews

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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.

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Literature proof

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

Overview

NH-bis(PEG2-OH) is a branched PEG derivative with a central amino group and two terminal hydroxyl groups. The amino group is reactive with carboxylic acids, activated NHS esters, carbonyls, etc. The hydroxy groups enable further derivatization or replacement with other reactive functional groups.

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 Smiles	C(COCCOCCO)NCCOCCOCCO
Isomeric SMILES	C(COCCOCCO)NCCOCCOCCO
PubChem CID	15568202
Molecular Weight	281.4

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

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

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

Analytical Chart:

Chemical and Physical Properties

Molecular Weight	281.350 g/mol
XLogP3	-2.200
Hydrogen Bond Donor Count	3
Hydrogen Bond Acceptor Count	7
Rotatable Bond Count	16
Exact Mass	281.184 Da
Monoisotopic Mass	281.184 Da
Topological Polar Surface Area	89.400 Å²
Heavy Atom Count	19
Formal Charge	0
Complexity	145.000
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

Solution Calculators

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Reviews

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