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HO-PEG1-CH2CH2COOtBu (CAS: 671802-00-9) is a monodisperse, hydrophilic PEG linker, typically 2-methyl-2-propanyl 3-(2-hydroxyethoxy)propanoate (
). It features a terminal hydroxyl group and a t-butyl protected carboxylic acid, commonly used as a building block for ADC linkers and PROTACs to increase aqueous solubility.
Key Information for HO-PEG1-CH2CH2COOtBu (CAS 671802-00-9):
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High Purity PEG Reagent, HO-PEG1-CH2CH2COOtBu, 97 ...
CP Lab Safety
https://www.calpaclab.com › high-purity-peg-reagent-ho...
CP Lab Safety
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High Purity PEG Reagent, HO-PEG1-CH2CH2COOtBu, 97% Min Purity, 5 grams ; Style: chemical ; CAS Number: 671802-00-9 ; Product Volume · 5 grams ; Formula · C9H18O4 ...Read more
Monodispersed Poly(Ethylene Glycol) from PurePEG:HO- ...
MSE Supplies
https://www.msesupplies.com › products › monodisperse...
MSE Supplies
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Monodispersed Poly(Ethylene Glycol) from PurePEG:HO-PEG1-CH2CH2COOtBu ; SKU: 434801-1L ; Drug development · Monodisperse PEG is used to create effective drugs, ...Read more
$53.95 to $253.95In stock$24.30 delivery30-day returns
HO-PEG1-CH2CH2COOtBu 98% | China | Manufacturer
ChemicalBook
https://www.chemicalbook.com › ProductDetail_EN_ho...
ChemicalBook
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Dec 16, 2025 — Product Name, HO-PEG1-CH2CH2COOtBu. CAS No, 671802-00-9. EC-No. Min. Order, 10g. Purity, 98%. Supply Ability, 300kg.Read more
High Purity PEG Reagent, HO-PEG1-CH2CH2COOtBu, 97 ...
CP Lab Safety
https://www.calpaclab.com › high-purity-peg-reagent-ho...
CP Lab Safety
https://www.calpaclab.com › high-purity-peg-reagent-ho...
High Purity PEG Reagent, HO-PEG1-CH2CH2COOtBu, 97% Min Purity, 1 gram ; Part Number: PUR-434801-1H ; Lead Time: 1-2 days ; Shipping: FREE SHIPPING on most orders ...Read more
Linker with Protecting Group - Monodisperse PEG
SINOPEG
https://www.sinopeg.com › linker-with-protecting-grou...
SINOPEG
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HO-PEG12-CH2CH2COOtBu. Product Name:HO-PEG12-CH2CH2COOtBu. CAS No.:1186025-29-5. M.F.:C31H62O15. M.W:674.83. Storage:-18℃ for long term storage,avoid light.Read more
Hydroxyl PEG, Hydroxy linker, PEG linker
BroadPharm
https://broadpharm.com › product-categories › hydrox...
BroadPharm
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BroadPharm provides monofunctional or heterobifunctional hydroxyl PEGs (PEG Alcohols) with various active groups, including Alkyne, carboxylic acid, NHS ester, ...Read more
OH-PEG1-CH2CH2COOtBu | CAS:671802-00-9
Biopharma PEG
https://www.biochempeg.com › product
Biopharma PEG
https://www.biochempeg.com › product
Synonyms： 2-Methyl-2-propanyl 3-(2-hydroxyethoxy)propanoate ; Purity： ≥95% ; MF： C9H18O ; MW： 190.237 ; Recommended Storage Condition： Store at -5°C,keep in dry and ...Read more
$150.00$55 delivery
HO-PEG1-CH2CH2COOtBu [C9H18O4] Cas:671802-00-9
SINOPEG
https://www.sinopeg.com › ho-peg1-ch2ch2cootbu-c9h...
SINOPEG
https://www.sinopeg.com › ho-peg1-ch2ch2cootbu-c9h...
We are professional China HO-PEG1-CH2CH2COOtBu company,manufacturer HO-PEG1-CH2CH2COOtBu [C9H18O4] Cas:671802-00-9 many years.All PEGs products acquired ...
People also ask
What is PEG 20000 used for?
Polyethylene glycol 20000 (PEG-20000) can be used as a pore-expanding agent to prepare mesoporous La2O3 catalyst via hydrothermal process. The effect of PEG 20000 on La2O3 catalyst particles, results in increased alkalinity, crystallinity, specific surface area, and dispersion.
Polyethylene glycol 20000 (stabilised) for synthesis 25322-68-3
MilliporeSigma
https://www.sigmaaldrich.com › product
MilliporeSigma
https://www.sigmaaldrich.com › product
What is the difference between PEG 400 and PEG 600?
Molecular Weight: PEG 600 has a higher molecular weight (~580–620 Da) compared to PEG 400. Viscosity: PEG 600 is more viscous than PEG 400, which makes it more suitable for semi-solid formulations like creams and gels.
Polyethylene Glycol 400 vs. Other PEG Variants: What Sets It Apart?
Shree Vallabh Chemical
https://www.shreechem.in › blogs › polyethylene-glycol-...
Shree Vallabh Chemical
https://www.shreechem.in › blogs › polyethylene-glycol-...
What is a PEG hydrogel?
A 2- or 3-dimensional hydrophilic, cross-linked polymer of polyethylene glycol (PEG). These hydrogels can be used as scaffolds for tissue engineering or as drug delivery carriers.
Definition of polyethylene glycol hydrogel - NCI Drug Dictionary
National Cancer Institute
https://www.cancer.gov › dictionaries › cancer-drug › def
National Cancer Institute
https://www.cancer.gov › dictionaries › cancer-drug › def
Web results
Pegs Manufacturers, PEGS from China- Pukang
Chengdu Pukang Biotechnology Co., Ltd
https://www.pu-kang.com › Products
Chengdu Pukang Biotechnology Co., Ltd
https://www.pu-kang.com › Products
Chengdu Pukang is the manufacturer of long-acting peptide pharmaceuticals for chronic diseases in China, especially for high quality PEGS.
Hydroxy-PEG-acetic acid t-butyl ester HO-PEG1-CH2COOtBu
PurePEG
https://purepeg.com › product
PurePEG
https://purepeg.com › product
Hydroxy-PEG-acetic acid t-butyl ester. HO-PEG1-CH2COOtBu ; CAS Number. 287174-32-7 ; Molecular Formula. C8H16O4 ; Molecular Weight. 176.21 ; Appearance. Colorless ...Read more
$29.00 to $34.00In stock$45 delivery