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Hydroxyl/t-Butyl ester PEG reagent, Hydroxy-PEG9-t-butyl ester, Purity 98%
Products
Hots Products

Amino PEG
Amino-PEG10-acid (Cat#: X24-03-YW0001) N-(Mal-PEG6)-N-bis(PEG3-amine) (Cat#: X24-03-YW0002) Amino-PEG23-amine (Cat#: X24-03-YW0056) Amino-PEG20-t-butyl ester (Cat#: X24-03-YW0057) Amino-PEG1-amine (Cat#: X24-03-YW0058) Gly-PEG3-amine TFA salt (Cat#: X24-03-YW0064) Amino-PEG9-amine (Cat#: X24-03-YW0068) Amino-PEG8-amine (Cat#: X24-03-YW0072) Amino-PEG8-t-butyl ester (Cat#: X24-03-YW0087)
Biotin PEG
Biotin-PEG2-azide (Cat#: X24-03-YW0091) Biotin-PEG5-azide (Cat#: X24-03-YW0113) Biotin-PEG6-t-butyl ester (Cat#: X24-03-YW0114) Dde biotin azide plus (Cat#: X24-03-YW0115) Biotin-PEG2-NH-Boc (Cat#: X24-03-YW0116) Biotin-PEG11-amine (Cat#: X24-03-YW0117) Biotin-PEG4-amide (Cat#: X24-03-YW0118) Biotin-PEG4-azide (Cat#: X24-03-YW0119) Biotin-PEG12-NHS ester (Cat#: X24-03-YW0124)
DBCO PEG
DBCO-PEG5-TFP ester (Cat#: X24-03-YW0294) DBCO-C3-alcohol (Cat#: X24-03-YW0306) Hydroxy-PEG7-DBCO (Cat#: X24-03-YW0307) DBCO-C5-acid (Cat#: X24-03-YW0308) DBCO-PEG2-amine (Cat#: X24-03-YW0310) DBCO STP ester (Cat#: X24-03-YW0311) DBCO-PEG6-DBCO (Cat#: X24-03-YW0312)
Poly PEG
m-PEG-succinic acid (Cat#: X24-10-WXX03) Lipoamide-PEG-Mal (Cat#: X24-10-WXX05) m-PEG-SPDP (Cat#: X24-10-WXX06) Lipoamide-PEG-biotin (Cat#: X24-10-WXX07) Rhodamine-PEG-Mal (Cat#: X24-10-WXX08) Cholesterol-PEG-methoxy (Cat#: X24-10-WXX10) DSPE-PEG-Ald (Cat#: X24-10-WXX12) 4-Arm PEG-OH (Cat#: X24-10-WXX13)
PEG Acid
m-PEG4-(CH2)3-acid (Cat#: X24-09-YYX001) m-PEG9-acid (Cat#: X24-09-YYX005) m-PEG1-acid (Cat#: X24-09-YYX008) Biotin-PEG2-acid (Cat#: X24-09-YYX011) Acid-PEG4-t-butyl ester (Cat#: X24-09-YYX015) Amino-PEG3-acid (Cat#: X24-09-YYX018) m-PEG11-CH2CO2H (Cat#: X24-09-YYX020) Amino-PEG4-CH2CO2H (Cat#: X24-09-YYX022)
PEG Azide
t-boc-N-amido-PEG5-azide (Cat#: X24-09-YYX148) Aminooxy-PEG4-azide (Cat#: X24-09-YYX246) AZD-PEG2-azide (Cat#: X24-09-YYX248) Azido-PEG12-azide (Cat#: X24-09-YYX249) Trityl-PEG10-azide (Cat#: X24-09-YYX250) Bromoacetamido-PEG2-azide (Cat#: X24-09-YYX251) Azido-PEG24-alcohol (Cat#: X24-09-YYX255) m-PEG6-azide (Cat#: X24-09-YYX257)
Bromo PEG
Bromo-PEG2-methyl ester (Cat#: X24-03-YW0205) Bromoacetamido-PEG8-acid (Cat#: X24-03-YW0209) Bromoacetamido-PEG3-acid (Cat#: X24-03-YW0213) Amino-PEG8-Bromo (Cat#: X24-03-YW0215) Bis-bromoacetamido-PEG11 (Cat#: X24-03-YW0216) Bromoacetamido-PEG8-t-butyl ester (Cat#: X24-03-YW0218) Bromo-PEG1-CH2CO2-t-Bu (Cat#: X24-03-YW0220)


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Cat. No.: X24-03-YW0681

Hydroxyl/t-Butyl ester PEG reagent, Hydroxy-PEG9-t-butyl ester, Purity 98%

Synonym: 2055042-66-3; Hydroxy-PEG9-Boc; HYDROXY-PEG9-t-ButylESTER; Hydroxy-PEG9-t-butyl ester

  • CAS Number: 2055042-66-3
  • PubChem CID: 123132119
Size
500 mg; 1 g; 5 g
Price
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Datasheet
Datasheet
MSDS
MSDS
Properties
Description
Hydroxy-PEG9-t-butyl ester is a PEG linker featuring a terminal hydroxyl group and a t-butyl-protected carboxyl group. The PEG9 chain enhances hydrophilicity and solubility in aqueous environments. The hydroxyl group offers a versatile site for chemical modifications, while the t-butyl ester provides acid-labile protection for controlled carboxylic acid activation.
Molecular Weight
542.7
Molecular Formula
C25H50O12
Functional Group 1
Hydroxyl
Functional Group 2
t-Butyl ester
Reactive Group 1
Acid
Reactive Group 2
Nucleophile
Form
Sticky liquid
Purity
98%
Solubility
Water, DMSO, DCM, DMF
Identity
Confirmed by NMR.
Applications
Hydroxy-PEG9-t-butyl ester is widely used in drug delivery, bioconjugation, and polymer synthesis. The hydroxyl group supports further derivatization, and the t-butyl ester enables precise activation of the carboxyl group under acidic conditions, making it ideal for creating hydrophilic linkers and functional materials in biomedical and pharmaceutical research.
Storage
Store at -20°C.
For Research Use Only. Not For Clinical Use.
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