Acid-PEG3-mono-methyl ester - ≥98% , CAS No.1807505-26-5

CAS: 1807505-26-5 Cat. No.: A596987 Molecular Weight: 264.27
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
1807505-26-5 | BP-22142 | 3-Oxo-2,6,9,12-tetraoxapentadecan-15-oic acid | 3-[2-[2-(3-methoxy-3-oxopropoxy)ethoxy]ethoxy]propanoic acid | MS-23727 | ACID-PEG3-MONO-METHYLESTER | Acid-PEG3-mono-methyl ester | C70528 | AKOS040741031 | Carboxy-peg3-mono-methy
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
50mg
A596987-50mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$38.90
250mg
A596987-250mg
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$149.90

$224.90
Save $75.00 (33.35%)
1g
A596987-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$403.90

$605.90
Save $202.00 (33.34%)
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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

Acid-PEG3-mono-methyl ester is an alkyl/ether-based PROTAC linker that can be used in the synthesis of PROTACs.

Specifications

Synonyms
1807505-26-5 | BP-22142 | 3-Oxo-2, 6, 9, 12-tetraoxapentadecan-15-oic acid | 3-[2-[2-(3-methoxy-3-oxopropoxy)ethoxy]ethoxy]propanoic acid | MS-23727 | ACID-PEG3-MONO-METHYLESTER | Acid-PEG3-mono-methyl ester | C70528 | AKOS040741031 | Carboxy-peg3-mono-methy
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 SmilesCOC(=O)CCOCCOCCOCCC(=O)O
IUPAC Name3-[2-[2-(3-methoxy-3-oxopropoxy)ethoxy]ethoxy]propanoic acid
InChIKeyGIIORLLUIQECST-UHFFFAOYSA-N
INCHI1S/C11H20O7/c1-15-11(14)3-5-17-7-9-18-8-6-16-4-2-10(12)13/h2-9H2,1H3,(H,12,13)
Isomeric SMILES COC(=O)CCOCCOCCOCCC(=O)O
Alternate CAS 1807505-26-5
Molecular Weight 264.27

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.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassDicarboxylic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentDicarboxylic acids and derivatives
Alternative Parents Methyl esters  Dialkyl ethers  Carboxylic acids  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Dicarboxylic acid or derivatives - Methyl ester - Carboxylic acid ester - Ether - Dialkyl ether - Carboxylic acid - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Carbonyl group - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as dicarboxylic acids and derivatives. These are organic compounds containing exactly two carboxylic acid groups.
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.

2 results found

Lot NumberCertificate TypeDateItem
I2503179Certificate of AnalysisJun 10, 2025 A596987
I2503180Certificate of AnalysisJun 10, 2025 A596987
Chemical and Physical Properties
Molecular Weight264.270 g/mol
XLogP3-0.900
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count7
Rotatable Bond Count13
Exact Mass264.121 Da
Monoisotopic Mass264.121 Da
Topological Polar Surface Area91.300 Ų
Heavy Atom Count18
Formal Charge0
Complexity229.000
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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