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ChemicalBook >> CAS DataBase List >> Bis-PEG1-NHS ester

Bis-PEG1-NHS ester

Bis-PEG1-NHS ester price.
  • $48 - $1212.08
  • Product name: Bis-PEG1-NHS ester
  • CAS: 65869-64-9
  • MF: C14H16N2O9
  • MW: 356.28
  • EINECS:
  • MDL Number:MFCD20226397
  • Synonyms:bis(2,5-dioxopyrrolidin-1-yl) 3,3'-oxydipropanoate;Bis-PEG1-NHS ester;BIS-PEG1-NHS;2,5-DIOXOPYRROLIDIN-1-YL 3-{3-[(2,5-DIOXOPYRROLIDIN-1-YL)OXY]-3-OXOPROPOXY}PROPANOATE;2,5-Pyrrolidinedione, 1,1'-[oxybis[(1-oxo-3,1-propanediyl)oxy]]bis- (9CI);Di-NHS Ester-PEG1;Bis-PEG1-NHS ester bis-;Bis-PEG1-NHS ester ，S0623
Price27 Properties Safety Information Description
27 prices
Selected condition：
Brand
  • aablocks
  • ACHEMBLOCK
  • AK Scientific
  • Alichem
  • Apolloscientific
  • Arctom
  • BroadPharm
  • Chemenu
  • ChemScene
  • Crysdot
Package
  • 100mg
  • 250mg
  • 500mg
  • 1g
  • 5G
  • Manufactureraablocks
  • Product numberAA003O5E
  • Product descriptionBis(2，5-Dioxopyrrolidin-1-Yl) 3，3'-Oxydipropanoate ≥97%
  • Packaging100mg
  • Price$48
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003O5E
  • Product descriptionBis(2，5-Dioxopyrrolidin-1-Yl) 3，3'-Oxydipropanoate 97%
  • Packaging250mg
  • Price$80
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003O5E
  • Product descriptionBis(2，5-Dioxopyrrolidin-1-Yl) 3，3'-Oxydipropanoate 95%
  • Packaging500mg
  • Price$141
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003O5E
  • Product descriptionBis(2，5-Dioxopyrrolidin-1-Yl) 3，3'-Oxydipropanoate 97%
  • Packaging1g
  • Price$207
  • Updated2026-05-28
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberX181414
  • Product descriptionNHS-PEG1-NHS 95%
  • Packaging1G
  • Price$190
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberX181414
  • Product descriptionNHS-PEG1-NHS 95%
  • Packaging5G
  • Price$760
  • Updated2026-05-27
  • Buy
  • ManufacturerAK Scientific
  • Product number6546AJ
  • Product descriptionBis(2,5-dioxopyrrolidin-1-yl)3,3'-oxydipropanoate
  • Packaging250mg
  • Price$424
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number65869649
  • Product descriptionBis(2,5-dioxopyrrolidin-1-yl)3,3'-oxydipropanoate
  • Packaging1g
  • Price$1212.08
  • Updated2021-12-16
  • Buy
  • ManufacturerApolloscientific
  • Product numberBIPG1262
  • Product descriptionBis-PEG1-NHS ester 97%
  • Packaging5g
  • Price$1106
  • Updated2026-06-04
  • Buy
  • ManufacturerApolloscientific
  • Product numberBIPG1262
  • Product descriptionBis-PEG1-NHS ester 97%
  • Packaging250mg
  • Price$124
  • Updated2026-06-04
  • Buy
  • ManufacturerApolloscientific
  • Product numberBIPG1262
  • Product descriptionBis-PEG1-NHS ester 97%
  • Packaging1g
  • Price$321
  • Updated2026-06-04
  • Buy
  • ManufacturerApolloscientific
  • Product numberBIPG1262
  • Product descriptionBis-PEG1-NHS ester 97%
  • Packaging100mg
  • Price$83
  • Updated2026-06-04
  • Buy
  • ManufacturerArctom
  • Product numberHT-11595
  • Product descriptionNHS-PEG1-NHS ≥95%
  • Packaging500mg
  • Price$328
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberHT-11595
  • Product descriptionNHS-PEG1-NHS ≥95%
  • Packaging1g
  • Price$494
  • Updated2026-05-26
  • Buy
  • ManufacturerBroadPharm
  • Product numberbp-21832
  • Product descriptionBis-PEG1-NHS ester 96%
  • Packaging1G
  • Price$650
  • Updated2026-05-24
  • Buy
  • ManufacturerBroadPharm
  • Product numberbp-21832
  • Product descriptionBis-PEG1-NHS ester 96%
  • Packaging500MG
  • Price$430
  • Updated2026-05-24
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA003O5E Bis(2，5-Dioxopyrrolidin-1-Yl) 3，3'-Oxydipropanoate ≥97% 100mg $48 2026-05-28 Buy
aablocks AA003O5E Bis(2，5-Dioxopyrrolidin-1-Yl) 3，3'-Oxydipropanoate 97% 250mg $80 2026-05-28 Buy
aablocks AA003O5E Bis(2，5-Dioxopyrrolidin-1-Yl) 3，3'-Oxydipropanoate 95% 500mg $141 2026-05-28 Buy
aablocks AA003O5E Bis(2，5-Dioxopyrrolidin-1-Yl) 3，3'-Oxydipropanoate 97% 1g $207 2026-05-28 Buy
ACHEMBLOCK X181414 NHS-PEG1-NHS 95% 1G $190 2026-05-27 Buy
ACHEMBLOCK X181414 NHS-PEG1-NHS 95% 5G $760 2026-05-27 Buy
AK Scientific 6546AJ Bis(2,5-dioxopyrrolidin-1-yl)3,3'-oxydipropanoate 250mg $424 2021-12-16 Buy
Alichem 65869649 Bis(2,5-dioxopyrrolidin-1-yl)3,3'-oxydipropanoate 1g $1212.08 2021-12-16 Buy
Apolloscientific BIPG1262 Bis-PEG1-NHS ester 97% 5g $1106 2026-06-04 Buy
Apolloscientific BIPG1262 Bis-PEG1-NHS ester 97% 250mg $124 2026-06-04 Buy
Apolloscientific BIPG1262 Bis-PEG1-NHS ester 97% 1g $321 2026-06-04 Buy
Apolloscientific BIPG1262 Bis-PEG1-NHS ester 97% 100mg $83 2026-06-04 Buy
Arctom HT-11595 NHS-PEG1-NHS ≥95% 500mg $328 2026-05-26 Buy
Arctom HT-11595 NHS-PEG1-NHS ≥95% 1g $494 2026-05-26 Buy
BroadPharm bp-21832 Bis-PEG1-NHS ester 96% 1G $650 2026-05-24 Buy
BroadPharm bp-21832 Bis-PEG1-NHS ester 96% 500MG $430 2026-05-24 Buy
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Properties

Boiling point :511.4±60.0 °C(Predicted)
Density :1.51±0.1 g/cm3(Predicted)
storage temp. :Storage temp. -20°C
form :Solid
color :White to off-white

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.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P330 Rinse mouth.
P405 Store locked up.
P501 Dispose of contents/container to..…

Description

Bis-PEG1-NHS ester is a PEG linker containing two NHS ester groups. The hydrophilic PEG spacer increases solubility in aqueous media. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.

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Suppliers and manufacturers

Suzhou Highfine Biotech Co., Ltd Bide Pharmatech Ltd. Borenpharm Co., Ltd Shanghai YuanYe Biotechnology Co., Ltd. ShangHai ShuaiDian MEDICAL TECHNOLOGY CO.,LTD. Jinan elephant international trading co., LTD Amadis Chemical Company Limited Xi'an Confluore Biological Technology Co., Ltd. Alpha Biopharmaceuticals Co., Ltd Fan De(Beijing) Biotechnology Co., Ltd.