PEG4-SPDP - Moligand™,≥95% , CAS No.1305053-43-3

CAS: 1305053-43-3 Cat. No.: P651224 Formula: C20H28N2O8S2 Molecular Weight: 488.57 PubChem CID: 53248045
AVAILABLE TO ORDER
GRADE & PURITY Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥95%
Synonyms
2,5-Dioxopyrrolidin-1-yl 1-(pyridin-2-yldisulfaneyl)-3,6,9,12-tetraoxapentadecan-15-oate
Storage
Protected from light,Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
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Size
Germany (EU)
USA*
Price
Qty
25mg
P651224-25mg
Made to order · 8–12 wks
€147.43
50mg
P651224-50mg
Made to order · 8–12 wks
€225.53
100mg
P651224-100mg
Made to order · 8–12 wks
€347.01
Enter a quantity for the sizes you want to add.
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Why this grade

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

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Storage & shipping

Protected from light,Store at -20°C,Argon charged 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

PEG4-SPDP is a cleavable ADC linker used for the antibody-drug conjugates (ADCs) .

Specifications

Synonyms
2,5-Dioxopyrrolidin-1-yl 1-(pyridin-2-yldisulfaneyl)-3,6,9,12-tetraoxapentadecan-15-oate
Specifications & Purity
Moligand™,≥95%
Biochemical and Physiological Mechanisms
PEG4-SPDP is a cleavable ADC linker used for the antibody-drug conjugates (ADCs) .
Storage
Protected from light,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.
Grade
Moligand™
Purity
≥95%
Names and Identifiers
Canonical SmilesC1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCOCCSSC2=CC=CC=N2
IUPAC Name(2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[2-(pyridin-2-yldisulfanyl)ethoxy]ethoxy]ethoxy]ethoxy]propanoate
InChIKeyAZXJOPLHLVNPKQ-UHFFFAOYSA-N
INCHI1S/C20H28N2O8S2/c23-18-4-5-19(24)22(18)30-20(25)6-8-26-9-10-27-11-12-28-13-14-29-15-16-31-32-17-3-1-2-7-21-17/h1-3,7H,4-6,8-16H2
Isomeric SMILES C1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCOCCSSC2=CC=CC=N2
PubChem CID 53248045
Molecular Weight 488.57

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
SuperclassOrganoheterocyclic compounds
ClassPyridines and derivatives
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentPyridines and derivatives
Alternative Parents Pyrrolidine-2-ones  Heteroaromatic compounds  Dicarboximides  Organic disulfides  Lactams  Sulfenyl compounds  Monocarboxylic acids and derivatives  Dialkyl ethers  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Pyridine - Pyrrolidone - 2-pyrrolidone - Dicarboximide - Pyrrolidine - Heteroaromatic compound - Lactam - Organic disulfide - Azacycle - Sulfenyl compound - Carboxylic acid derivative - Dialkyl ether - Ether - Monocarboxylic acid or derivatives - Organic oxide - Organonitrogen compound - Organooxygen compound - Organosulfur compound - Organic nitrogen compound - Carbonyl group - Organic oxygen compound - Organopnictogen compound - Hydrocarbon derivative - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as pyridines and derivatives. These are compounds containing a pyridine ring, which is a six-member aromatic heterocycle which consists of one nitrogen atom and five carbon atoms.
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
Sensitivitylight sensitive
Molecular Weight488.600 g/mol
XLogP30.100
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count11
Rotatable Bond Count19
Exact Mass488.129 Da
Monoisotopic Mass488.129 Da
Topological Polar Surface Area164.000 Ų
Heavy Atom Count32
Formal Charge0
Complexity554.000
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
Documents & Articles
Solution Calculators
Reviews

Customer Reviews

Frequently Asked Questions

What is the purity of this product?
This product is supplied at ≥95% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.
What is Moligand??
Moligand? is one of Aladdin Scientific's premium product lines, formulated for high-purity applications across multiple workflows. Compared to standard grades in the same workflow, Moligand? products typically offer tighter specifications, more rigorous QC, and stronger lot-to-lot consistency.
How should this product be stored?
Store at ?20 °C, protected from light, under argon. It is supplied under an argon blanket; reseal under inert gas after each use.
How is this product shipped?
This product ships in an insulated container with ice pads. Unpack on arrival and transfer it to the storage condition stated above.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 1305053-43-3, the molecular formula is C20H28N2O8S2, and the molecular weight is 488.57 g/mol. InChIKey AZXJOPLHLVNPKQ-UHFFFAOYSA-N.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

Need help choosing the grade?

Our grade selection guide covers purity, stabilizer status, and application suitability for all variants in our catalog.

View Moligand™ grade guide →

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