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Screening compounds

Bis-PEG2-NHS Ester

Also known as bis(2,5-dioxopyrrolidin-1-yl) 3,3'-(ethane-1,2-diylbis(oxy))dipropionate, Bis-?PEG2-?NHS ester, Bis(2,5-dioxopyrrolidin-1-yl) 3,3'-(ethane-1,2-diylbis(oxy))dipropanoate

CAS 65869-63-8Formula C16H20N2O10Molar mass 400.34 g/mol
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Bis-PEG2-NHS Ester chemical structure, C16H20N2O10, CAS 65869-63-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
65869-63-8
Formula
C16H20N2O10
Molar mass
400.34 g/mol
HS code
292519
Category
Screening compounds

What is Bis-PEG2-NHS Ester?

Plain description, key identifiers and synonyms

Bis-PEG2-NHS Ester is a chemical substance with the molecular formula C16H20N2O10 and a molar mass of 400.34 g/mol. Its CAS registry number is 65869-63-8. The IUPAC name is (2,5-dioxopyrrolidin-1-yl) 3-[2-[3-(2,5-dioxopyrrolidin-1-yl)oxy-3-oxopropoxy]ethoxy]propanoate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2,5-dioxopyrrolidin-1-yl) 3-[2-[3-(2,5-dioxopyrrolidin-1-yl)oxy-3-oxopropoxy]ethoxy]propanoate
CAS number
65869-63-8
Molecular formula
C16H20N2O10
MDL number
MFCD20229443
InChIKey
SORMJGWNAXHOFC-UHFFFAOYSA-N
InChI
InChI=1S/C16H20N2O10/c19-11-1-2-12(20)17(11)27-15(23)5-7-25-9-10-26-8-6-16(24)28-18-13(21)3-4-14(18)22/h1-10H2
SMILES (canonical and isomeric)
C1CC(=O)N(C1=O)OC(=O)CCOCCOCCC(=O)ON2C(=O)CCC2=O

Synonyms

  • bis(2,5-dioxopyrrolidin-1-yl) 3,3'-(ethane-1,2-diylbis(oxy))dipropionate
  • Bis-?PEG2-?NHS ester
  • Bis(2,5-dioxopyrrolidin-1-yl) 3,3'-(ethane-1,2-diylbis(oxy))dipropanoate
  • bis(2,5-dioxopyrrolidin-1-yl) 3,3 inverted exclamation mark -(ethane-1,2-diylbis(oxy))dipropanoate
  • Bis-PEG2-NHS
  • NHS-PEO2-NHS(BS[PEG]2)
  • Bis-EG2-HS ester
  • 36-TFP ester
  • Bis-peg2-nhsester
  • (2,5-dioxopyrrolidin-1-yl) 3-[2-[3-(2,5-dioxopyrrolidin-1-yl)oxy-3-oxopropoxy]ethoxy]propanoate
  • (2,5-dioxopyrrolidin-1-yl) 3-[2-[3-(2,5-dioxopyrrolidin-1-yl)oxy-3-oxo-propoxy]ethoxy]propanoate

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
400.34 g/molcalc.
Exact mass
400.1118 Dacalc.
LogP (octanol/water)
-0.99calc.
Topological polar surface area
145.8 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
10calc.
Rotatable bonds
11calc.
Heavy atoms
28calc.
Rings
2calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.63calc.
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=C(CCOCCOCCC(=O)ON1C(=O)CCC1=O)ON1C(=O)CCC1=O

O=C(CCOCCOCCC(=O)ON1C(=O)CCC1=O)ON1C(=O)CCC1=O

2 rings, 28 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.

Bis-PEG2-NHS Ester suppliers

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All 4 suppliers
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Where suppliers are based

4 suppliers in 2 countries

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Bis-PEG2-NHS 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 Bis-PEG2-NHS 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 Bis-PEG2-NHS Ester is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Bis-PEG2-NHS Ester, based on the data on this page

What is Bis-PEG2-NHS Ester?

Bis-PEG2-NHS Ester is a chemical substance with the molecular formula C16H20N2O10 and a molar mass of 400.34 g/mol. Its CAS registry number is 65869-63-8. The IUPAC name is (2,5-dioxopyrrolidin-1-yl) 3-[2-[3-(2,5-dioxopyrrolidin-1-yl)oxy-3-oxopropoxy]ethoxy]propanoate.

What is the CAS number of Bis-PEG2-NHS Ester?

The CAS registry number of Bis-PEG2-NHS Ester is 65869-63-8.

What is the molecular formula and weight of Bis-PEG2-NHS Ester?

The molecular formula of Bis-PEG2-NHS Ester is C16H20N2O10 and its molar mass is 400.34 g/mol.

What is Bis-PEG2-NHS Ester used for?

Known uses and roles of Bis-PEG2-NHS Ester include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Bis-PEG2-NHS Ester hazardous?

No GHS hazard classification for Bis-PEG2-NHS Ester 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 Bis-PEG2-NHS Ester?

Bis-PEG2-NHS Ester 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 Bis-PEG2-NHS Ester?

CompoundList lists 4 suppliers of Bis-PEG2-NHS Ester 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 Bis-PEG2-NHS Ester?

Suppliers quote Bis-PEG2-NHS Ester 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 Bis-PEG2-NHS 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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