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Screening compounds

Peg4-spdp

Also known as 15-(2-pyridyldithio)-4,7,10,13-tetraoxapentadecanoic acid N-hydroxysuccinimide ester, 2,5-Dioxopyrrolidin-1-yl 1-(pyridin-2-yldisulfaneyl)-3,6,9,12-tetraoxapentadecan-15-oate, 4,7,10,13-Tetraoxapentadecanoic acid, 15-(2-pyridinyldithio)-, 2,5-dioxo-1-pyrrolidinyl ester

CAS 1305053-43-3Formula C20H28N2O8S2Molar mass 488.58 g/mol
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Peg4-spdp chemical structure, C20H28N2O8S2, CAS 1305053-43-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1305053-43-3
Formula
C20H28N2O8S2
Molar mass
488.58 g/mol
HS code
293339
Category
Screening compounds

What is Peg4-spdp?

Plain description, key identifiers and synonyms

Peg4-spdp is a chemical substance with the molecular formula C20H28N2O8S2 and a molar mass of 488.58 g/mol. Its CAS registry number is 1305053-43-3. The IUPAC name is (2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[2-(pyridin-2-yldisulfanyl)ethoxy]ethoxy]ethoxy]ethoxy]propanoate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[2-(pyridin-2-yldisulfanyl)ethoxy]ethoxy]ethoxy]ethoxy]propanoate
CAS number
1305053-43-3
Molecular formula
C20H28N2O8S2
MDL number
MFCD20228987
InChIKey
AZXJOPLHLVNPKQ-UHFFFAOYSA-N
InChI
InChI=1S/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
SMILES (canonical and isomeric)
C1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCOCCSSC2=CC=CC=N2

Synonyms

  • 15-(2-pyridyldithio)-4,7,10,13-tetraoxapentadecanoic acid N-hydroxysuccinimide ester
  • 2,5-Dioxopyrrolidin-1-yl 1-(pyridin-2-yldisulfaneyl)-3,6,9,12-tetraoxapentadecan-15-oate
  • 4,7,10,13-Tetraoxapentadecanoic acid, 15-(2-pyridinyldithio)-, 2,5-dioxo-1-pyrrolidinyl ester
  • (2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[2-(pyridin-2-yldisulfanyl)ethoxy]ethoxy]ethoxy]ethoxy]propanoate
  • 15-(2-Pyridyldithio)-4,7,10,13-tetraoxapentadecanoic acid, N-hydroxysuccinimide ester
  • (2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[2-(2-pyridyldisulfanyl)ethoxy]ethoxy]ethoxy]ethoxy]propanoate
  • Pyridin-2-yldisulfanyl-PEG4-NHS
  • 2,5-dioxo-1-pyrrolidinyl 15-(2-Pyridinyldithio)-4,7,10,13-tetraoxapentadecanoate

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
488.58 g/molcalc.
Exact mass
488.1287 Dacalc.
LogP (octanol/water)
1.89calc.
Topological polar surface area
113.5 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
11calc.
Rotatable bonds
18calc.
Heavy atoms
32calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.6calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=C(CCOCCOCCOCCOCCSSc1ccccn1)ON1C(=O)CCC1=O

O=C(CCOCCOCCOCCOCCSSc1ccccn1)ON1C(=O)CCC1=O

2 rings, 32 atoms. This chemical is the scaffold itself.

No other chemical in our database has this scaffold.

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Peg4-spdp suppliers

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  • Axispharm
    United States, San DiegoUnclaimed profile
    Peg4-spdpGrade, purity and minimum order on request
    Price on request
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Peg4-spdp price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Peg4-spdp is traded under.

HS 2933.39Indicative HS code

Heterocyclic compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure…

World exports in 2024
$9.16B
−17.9% vs 2023, imports $10.6B
2019 to 2024
Top exporters
  1. China21.5%
  2. India * partner reported12.3%
  3. Ireland11.6%
Top importers
  1. Germany14.2%
  2. United States12.8%
  3. Brazil10.1%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Peg4-spdp is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Peg4-spdp, based on the data on this page

What is Peg4-spdp?

Peg4-spdp is a chemical substance with the molecular formula C20H28N2O8S2 and a molar mass of 488.58 g/mol. Its CAS registry number is 1305053-43-3. The IUPAC name is (2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[2-(pyridin-2-yldisulfanyl)ethoxy]ethoxy]ethoxy]ethoxy]propanoate.

What is the CAS number of Peg4-spdp?

The CAS registry number of Peg4-spdp is 1305053-43-3.

What is the molecular formula and weight of Peg4-spdp?

The molecular formula of Peg4-spdp is C20H28N2O8S2 and its molar mass is 488.58 g/mol.

What is Peg4-spdp used for?

Known uses and roles of Peg4-spdp include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Peg4-spdp hazardous?

No GHS hazard classification for Peg4-spdp is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Peg4-spdp?

Peg4-spdp is usually classified under HS code 293339 (Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Peg4-spdp?

CompoundList lists 1 supplier of Peg4-spdp in United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Peg4-spdp?

Suppliers quote Peg4-spdp on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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