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Aliphatic and alicyclic building blocks

Mal-PEG4-Acid

Also known as 1-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3,6,9,12-tetraoxapentadecan-15-oic acid, Mal-PEG4-CH2CH2COOH, Mal-PEG4-COOH

CAS 518044-41-2Formula C15H23NO8Molar mass 345.35 g/mol
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Mal-PEG4-Acid chemical structure, C15H23NO8, CAS 518044-41-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
518044-41-2
Formula
C15H23NO8
Molar mass
345.35 g/mol
HS code
292519
Category
Aliphatic and alicyclic building blocks

What is Mal-PEG4-Acid?

Plain description, key identifiers and synonyms

Mal-PEG4-Acid is a chemical substance with the molecular formula C15H23NO8 and a molar mass of 345.35 g/mol. Its CAS registry number is 518044-41-2. The IUPAC name is 3-[2-[2-[2-[2-(2,5-dioxopyrrol-1-yl)ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-[2-[2-[2-[2-(2,5-dioxopyrrol-1-yl)ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid
CAS number
518044-41-2
Molecular formula
C15H23NO8
MDL number
MFCD18916986
InChIKey
BTFZSOVKVDCKQD-UHFFFAOYSA-N
InChI
InChI=1S/C15H23NO8/c17-13-1-2-14(18)16(13)4-6-22-8-10-24-12-11-23-9-7-21-5-3-15(19)20/h1-2H,3-12H2,(H,19,20)
SMILES (canonical and isomeric)
C1=CC(=O)N(C1=O)CCOCCOCCOCCOCCC(=O)O

Synonyms

  • 1-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3,6,9,12-tetraoxapentadecan-15-oic acid
  • Mal-PEG4-CH2CH2COOH
  • Mal-PEG4-COOH
  • Maleimide-PEG4-CH2CH2COOH
  • 3-[2-[2-[2-[2-(2,5-dioxopyrrol-1-yl)ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid
  • 4,7,10,13-Tetraoxapentadecanoic acid, 15-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-
  • MAL-dPEG4-acid
  • 15-maleinimido-4,7,10,13-tetraoxapentadecanoic acid
  • 15-maleinimido-4,7,10,13-tetroxapentadecanoic acid
  • 1-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3,6,9,12-tetraoxapentadecan-15-oicacid

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
345.35 g/molcalc.
Exact mass
345.1424 Dacalc.
LogP (octanol/water)
-0.55calc.
Topological polar surface area
111.6 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
7calc.
Rotatable bonds
15calc.
Heavy atoms
24calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.67calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)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=C1C=CC(=O)N1

O=C1C=CC(=O)N1

1 ring, 7 atoms, the Maleimide ring system.

636 other chemicals share 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.

Mal-PEG4-Acid suppliers

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All 6 suppliers
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Where suppliers are based

6 suppliers in 2 countries

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Mal-PEG4-Acid 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 Mal-PEG4-Acid is traded under.

HS 2925.19Indicative HS code

Imides and their derivatives, salts thereof, other

World exports in 2024
$295M
+11.7% vs 2023, imports $348M
2019 to 2024
Top exporters
  1. China29.7%
  2. Japan22.7%
  3. United Kingdom10.0%
Top importers
  1. United States12.7%
  2. Brazil12.6%
  3. China10.5%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Mal-PEG4-Acid is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Mal-PEG4-Acid, based on the data on this page

What is Mal-PEG4-Acid?

Mal-PEG4-Acid is a chemical substance with the molecular formula C15H23NO8 and a molar mass of 345.35 g/mol. Its CAS registry number is 518044-41-2. The IUPAC name is 3-[2-[2-[2-[2-(2,5-dioxopyrrol-1-yl)ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid.

What is the CAS number of Mal-PEG4-Acid?

The CAS registry number of Mal-PEG4-Acid is 518044-41-2.

What is the molecular formula and weight of Mal-PEG4-Acid?

The molecular formula of Mal-PEG4-Acid is C15H23NO8 and its molar mass is 345.35 g/mol.

What is Mal-PEG4-Acid used for?

Known uses and roles of Mal-PEG4-Acid include building blocks in research and laboratory.

Is Mal-PEG4-Acid hazardous?

No GHS hazard classification for Mal-PEG4-Acid 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 Mal-PEG4-Acid?

Mal-PEG4-Acid is usually classified under HS code 292519 (Imides and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Mal-PEG4-Acid?

CompoundList lists 6 suppliers of Mal-PEG4-Acid in China and 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 Mal-PEG4-Acid?

Suppliers quote Mal-PEG4-Acid on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Mal-PEG4-Acid

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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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