Carboxy-PEG5-sulfonic acid

 CAS No.: 1817735-38-8  Cat No.: BP-500211  Purity: ≥95% 4.5  

Carboxy-PEG5-sulfonic acid is a PEG linker containing a carboxylic acid and a sulfonic acid end group. The terminal carboxylic acid can participate in reactions with primary amines in the presence of activators such as EDC and HATU. Sulfonic acid can undergo esterification, halogenation and replacement reactions. The hydrophilic PEG linker increases the compound's water solubility in aqueous media.

Carboxy-PEG5-sulfonic acid

Structure of 1817735-38-8

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PROTAC Linker
Molecular Formula
C13H26O10S
Molecular Weight
374.39

* For research and manufacturing use only. Not for human or clinical use.

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Purity
≥95%
Solubility
Soluble in DMSO, Water
Storage
Store at 2-8°C for short term (days to weeks) or -20°C for long term (months to years)
Shipping
Room temperature in continental US; may vary elsewhere.
IUPACName
3-[2-[2-[2-[2-(2-sulfoethoxy)ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid
Synonyms
1-Sulfo-3,6,9,12,15-pentaoxaoctadecan-18-oic acid; Propanoic acid, 3-[(14-sulfo-3,6,9,12-tetraoxatetradec-1-yl)oxy]-; 3,6,9,12,15-Pentaoxaoctadecan-18-oic acid, 1-sulfo-
Density
1.3±0.1 g/cm3
InChI Key
BNXDKCHNWPCUMT-UHFFFAOYSA-N
InChI
InChI=1S/C13H26O10S/c14-13(15)1-2-19-3-4-20-5-6-21-7-8-22-9-10-23-11-12-24(16,17)18/h1-12H2,(H,14,15)(H,16,17,18)
Canonical SMILES
C(COCCOCCOCCOCCOCCS(=O)(=O)O)C(=O)O

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It is commonly abbreviated as: C1V1 = C2V2

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Historical Records: Amino-PEG5-acetic acid | NH-bis(PEG4-acid) | Azido-PEG9-acid | S-acetyl-PEG20-alcohol | H-γ-azido-Abu-OH | Azido-PEG4-amido-PEG4-Boc | Methylamino-PEG2-acid | BMPH HCl salt | Bis-PEG4-sulfonic acid | Fmoc-NMe-PEG4-acid | Carboxy-PEG5-sulfonic acid

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