CompoundList

Mal-PEG3-CH2 tBu-ester

Also known as tert-Butyl 2-(2-(2-(2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy)ethoxy)ethoxy)acetate, tert-butyl 2-(2-{2-[2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy]ethoxy}ethoxy)acetate, tert-butyl 2-[2-[2-[2-(2,5-dioxopyrrol-1-yl)ethoxy]ethoxy]ethoxy]acetate

CAS 518044-33-2Formula C16H25NO7Molar mass 343.38 g/mol
Mal-PEG3-CH2 tBu-ester chemical structure, C16H25NO7, CAS 518044-33-2
2D chemical structure

Key facts

What buyers check first

CAS number
518044-33-2
Formula
C16H25NO7
Molar mass
343.38 g/mol
HS code
292519
Category
Aliphatic and alicyclic building blocks

What is Mal-PEG3-CH2 tBu-ester?

Plain description, key identifiers and synonyms

Mal-PEG3-CH2 tBu-ester is a chemical substance with the molecular formula C16H25NO7 and a molar mass of 343.38 g/mol. Its CAS registry number is 518044-33-2. The IUPAC name is tert-butyl 2-[2-[2-[2-(2,5-dioxopyrrol-1-yl)ethoxy]ethoxy]ethoxy]acetate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
tert-butyl 2-[2-[2-[2-(2,5-dioxopyrrol-1-yl)ethoxy]ethoxy]ethoxy]acetate
CAS number
518044-33-2
Molecular formula
C16H25NO7
InChIKey
QEVRPNPQKYXDFG-UHFFFAOYSA-N
InChI
InChI=1S/C16H25NO7/c1-16(2,3)24-15(20)12-23-11-10-22-9-8-21-7-6-17-13(18)4-5-14(17)19/h4-5H,6-12H2,1-3H3
SMILES (canonical and isomeric)
CC(C)(C)OC(=O)COCCOCCOCCN1C(=O)C=CC1=O

Synonyms

  • tert-Butyl 2-(2-(2-(2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy)ethoxy)ethoxy)acetate
  • tert-butyl 2-(2-{2-[2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy]ethoxy}ethoxy)acetate
  • tert-butyl 2-[2-[2-[2-(2,5-dioxopyrrol-1-yl)ethoxy]ethoxy]ethoxy]acetate

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
343.38 g/molcalc.
Exact mass
343.1631 Dacalc.
LogP (octanol/water)
0.3calc.
Topological polar surface area
91.37 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
7calc.
Rotatable bonds
11calc.
Heavy atoms
24calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.69calc.
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-PEG3-CH2 tBu-ester suppliers

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Mal-PEG3-CH2 tBu-ester 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-PEG3-CH2 tBu-ester 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-PEG3-CH2 tBu-ester is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Guides for buyers

Practical guides that help when you source, ship or handle Mal-PEG3-CH2 tBu-ester

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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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