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ChemicalBook >> CAS DataBase List >> Propargyl-PEG4-NHS ester

Propargyl-PEG4-NHS ester

Propargyl-PEG4-NHS ester price.
  • $27 - $5571
  • Product name: Propargyl-PEG4-NHS ester
  • CAS: 1428629-70-2
  • MF: C16H23NO8
  • MW: 357.36
  • EINECS:
  • MDL Number:MFCD22380743
  • Synonyms:Propargyl-PEG4-NHS ester;2,5-dioxopyrrolidin-1-yl 4,7,10,13-tetraoxahexadec-15-yn-1-oate;Propargyl-PEG3-CH2CH2COONHS;Propargyl-PEG4-NHS ester,Alkyne-PEG4-NHS;4,7,10,13-Tetraoxahexadec-15-ynoic acid, 2,5-dioxo-1-pyrrolidinyl ester;Alkyne-PEG3-NHS ester;Propargyl-PEG3-CH2CH2COONHS/4,7,10,13-Tetraoxahexadec-15-ynoic acid, 2,5-dioxo-1-pyrrolidinyl ester;Propargyl-PEG3-C2-CONHS ester
Price39 Properties Safety Information Description
39 prices
Selected condition：
Brand
  • aablocks
  • ACHEMBLOCK
  • Acrotein
  • AK Scientific
  • Alichem
  • Ambeed
  • American Custom Chemicals Corporation
  • Apolloscientific
  • Arctom
  • BroadPharm
  • Chemenu
  • ChemScene
  • Crysdot
  • Matrix Scientific
  • TRC
Package
  • 50mg
  • 100mg
  • 250mg
  • 0.25g
  • 250.00mg
  • 0.5g
  • 500MG
  • 1g
  • 1.00g
  • 5g
  • 5.00g
  • 10g
  • 25G
  • Manufactureraablocks
  • Product numberAA003FXX
  • Product description2,5-Dioxopyrrolidin-1-Yl 4,7,10,13-Tetraoxahexadec-15-Yn-1-Oate 98%
  • Packaging100mg
  • Price$27
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003FXX
  • Product description2,5-Dioxopyrrolidin-1-Yl 4,7,10,13-Tetraoxahexadec-15-Yn-1-Oate 98%
  • Packaging250mg
  • Price$40
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003FXX
  • Product description2,5-Dioxopyrrolidin-1-Yl 4,7,10,13-Tetraoxahexadec-15-Yn-1-Oate 98%
  • Packaging1g
  • Price$52
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003FXX
  • Product description2,5-Dioxopyrrolidin-1-Yl 4,7,10,13-Tetraoxahexadec-15-Yn-1-Oate 98%
  • Packaging5g
  • Price$256
  • Updated2026-05-28
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberV156081
  • Product descriptionPropargyl-PEG3-CH2CH2COONHS 95%
  • Packaging25G
  • Price$1240
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberV156081
  • Product descriptionPropargyl-PEG3-CH2CH2COONHS 95%
  • Packaging5G
  • Price$310
  • Updated2026-05-27
  • Buy
  • ManufacturerAcrotein
  • Product numberB-0637
  • Product descriptionPropargyl-PEG3-CH2CH2COONHS 97%
  • Packaging0.25g
  • Price$247.5
  • Updated2026-05-25
  • Buy
  • ManufacturerAcrotein
  • Product numberB-0637
  • Product descriptionPropargyl-PEG3-CH2CH2COONHS 97%
  • Packaging1g
  • Price$550
  • Updated2026-05-25
  • Buy
  • ManufacturerAcrotein
  • Product numberB-0637
  • Product descriptionPropargyl-PEG3-CH2CH2COONHS 97%
  • Packaging0.5g
  • Price$366.66
  • Updated2026-05-25
  • Buy
  • ManufacturerAK Scientific
  • Product number7317AJ
  • Product descriptionPropargyl-PEG4-NHSester
  • Packaging100mg
  • Price$651
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product number7317AJ
  • Product descriptionPropargyl-PEG4-NHSester
  • Packaging5g
  • Price$5571
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number1428629702
  • Product description2,5-Dioxopyrrolidin-1-yl4,7,10,13-tetraoxahexadec-15-yn-1-oate
  • Packaging1g
  • Price$818.1
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA480509
  • Product description2,5-Dioxopyrrolidin-1-yl4,7,10,13-tetraoxahexadec-15-yn-1-oate 98+%
  • Packaging5g
  • Price$435
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA480509
  • Product description2,5-Dioxopyrrolidin-1-yl4,7,10,13-tetraoxahexadec-15-yn-1-oate 98+%
  • Packaging1g
  • Price$125
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA480509
  • Product description2,5-Dioxopyrrolidin-1-yl4,7,10,13-tetraoxahexadec-15-yn-1-oate 98+%
  • Packaging250mg
  • Price$50
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA480509
  • Product description2,5-Dioxopyrrolidin-1-yl4,7,10,13-tetraoxahexadec-15-yn-1-oate 98+%
  • Packaging100mg
  • Price$29
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA003FXX 2,5-Dioxopyrrolidin-1-Yl 4,7,10,13-Tetraoxahexadec-15-Yn-1-Oate 98% 100mg $27 2026-05-28 Buy
aablocks AA003FXX 2,5-Dioxopyrrolidin-1-Yl 4,7,10,13-Tetraoxahexadec-15-Yn-1-Oate 98% 250mg $40 2026-05-28 Buy
aablocks AA003FXX 2,5-Dioxopyrrolidin-1-Yl 4,7,10,13-Tetraoxahexadec-15-Yn-1-Oate 98% 1g $52 2026-05-28 Buy
aablocks AA003FXX 2,5-Dioxopyrrolidin-1-Yl 4,7,10,13-Tetraoxahexadec-15-Yn-1-Oate 98% 5g $256 2026-05-28 Buy
ACHEMBLOCK V156081 Propargyl-PEG3-CH2CH2COONHS 95% 25G $1240 2026-05-27 Buy
ACHEMBLOCK V156081 Propargyl-PEG3-CH2CH2COONHS 95% 5G $310 2026-05-27 Buy
Acrotein B-0637 Propargyl-PEG3-CH2CH2COONHS 97% 0.25g $247.5 2026-05-25 Buy
Acrotein B-0637 Propargyl-PEG3-CH2CH2COONHS 97% 1g $550 2026-05-25 Buy
Acrotein B-0637 Propargyl-PEG3-CH2CH2COONHS 97% 0.5g $366.66 2026-05-25 Buy
AK Scientific 7317AJ Propargyl-PEG4-NHSester 100mg $651 2021-12-16 Buy
AK Scientific 7317AJ Propargyl-PEG4-NHSester 5g $5571 2021-12-16 Buy
Alichem 1428629702 2,5-Dioxopyrrolidin-1-yl4,7,10,13-tetraoxahexadec-15-yn-1-oate 1g $818.1 2021-12-16 Buy
Ambeed A480509 2,5-Dioxopyrrolidin-1-yl4,7,10,13-tetraoxahexadec-15-yn-1-oate 98+% 5g $435 2021-12-16 Buy
Ambeed A480509 2,5-Dioxopyrrolidin-1-yl4,7,10,13-tetraoxahexadec-15-yn-1-oate 98+% 1g $125 2021-12-16 Buy
Ambeed A480509 2,5-Dioxopyrrolidin-1-yl4,7,10,13-tetraoxahexadec-15-yn-1-oate 98+% 250mg $50 2021-12-16 Buy
Ambeed A480509 2,5-Dioxopyrrolidin-1-yl4,7,10,13-tetraoxahexadec-15-yn-1-oate 98+% 100mg $29 2021-12-16 Buy
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Properties

Boiling point :463.1±55.0 °C(Predicted)
Density :1.24±0.1 g/cm3(Predicted)
storage temp. :Storage temp. -20°C
solubility :Soluble in DMSO, DCM, DMF
form :Viscous Liquid
color :Colorless to light yellow
Appearance :colorless to yellowish oil

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

Propargyl-PEG4-NHS ester is an amine reactive PEG linker with an alkyne group. Under the copper catalyzation, alkyne group can react with azide-bearing biomolecules to form a stable triazole linkage. The hydrophilic PEG spacer increases solubility in aqueous media.

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Suppliers and manufacturers

NOVOCOM T&W GROUP Bide Pharmatech Ltd. Hunan HuaTeng Pharmaceutical Co., Ltd., Jilin Chinese Academy of Sciences - Yanshen Technology Co., Ltd Borenpharm Co., Ltd Shanghai YuanYe Biotechnology Co., Ltd. Zhengzhou Acme Chemical Co., Ltd. Amadis Chemical Company Limited Amatek Scientific Co. Ltd.