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Acid/Tosyl PEG reagent, Tos-PEG4-CH2CO2H, 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.: X24-10-WXX370

Acid/Tosyl PEG reagent, Tos-PEG4-CH2CO2H, Purity 98%

Synonym: Tos-PEG4-CH2CO2H; 1581248-63-6; Tos-PEG3-CH2COOH; 2-[2-[2-[2-(4-methylphenyl)sulfonyloxyethoxy]ethoxy]ethoxy]acetic acid; 2-(2-(2-(2-(tosyloxy)ethoxy)ethoxy)ethoxy)acetic acid

  • CAS Number: 1581248-63-6
  • PubChem CID: 77078251
Size
250 mg; 500 mg; 1 g
Price
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Datasheet
Datasheet
MSDS
MSDS
Properties
Description
Tos-PEG4-CH2CO2H is a reagent grade PEG linker with a terminal carboxylic acid and a tosyl group. The PEG spacer increases water solubility. The tosyl group is used for nucleophilic substitution reactions. The terminal carboxylic acid is reacted with primary amine groups in the presence of activators (EDC, HATU, etc).
Molecular Weight
362.4
Molecular Formula
C15H22O8S
Functional Group 1
Acid
Functional Group 2
Tosyl
Functional Group 3
None
Reactive Group 1
Amine
Form
Liquid
Purity
98%
Solubility
DCM
Identity
Confirmed by NMR.
Applications
Tos-PEG4-CH2CO2H serves a vital role in bioconjugation, drug delivery, and the development of biomaterials due to its ability to enhance the solubility, stability, and functionalization of bioactive molecules.
Storage
Store at -20°C.
For Research Use Only. Not For Clinical Use.
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