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Bis-PEG9-acid

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Category	Small-molecule Homobifunctional PEG
Catalog NO.	BPG-2283
Product Name	Bis-PEG9-acid
CAS	1268488-70-5
Molecular Formula	C22H42O13
Molecular Weight	514.56

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Description	Bis-PEG9-acid is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs. Bis-PEG9-acid is also a cleavable ADC linker used in the synthesis of antibody-drug conjugates (ADCs).
Synonyms	4,7,10,13,16,19,22,25,28-Nonaoxahentriacontanedioic acid; HOOC-PEG9-COOH; HOOCCH2CH2O-PEG8-CH2CH2COOH; α,ω-dipropionic acid octaethylene glycol; 4,7,10,13,16,19,22,25,28-Nonaoxahentriacontane-1,31-dioic acid
IUPAC Name	3-[2-[2-[2-[2-[2-[2-[2-[2-(2-carboxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid
Canonical SMILES	C(COCCOCCOCCOCCOCCOCCOCCOCCOCCC(=O)O)C(=O)O
InChI	InChI=1S/C22H42O13/c23-21(24)1-3-27-5-7-29-9-11-31-13-15-33-17-19-35-20-18-34-16-14-32-12-10-30-8-6-28-4-2-22(25)26/h1-20H2,(H,23,24)(H,25,26)
InChIKey	MZPXCHJGEDEJHQ-UHFFFAOYSA-N
Boiling Point	630.0±55.0 °C at 760 mmHg
Flash Point	201.6±25.0 °C
Purity	≥95%
Density	1.174±0.06 g/cm3 (Predicted)
Solubility	Soluble in DMSO (10 mm)
Related CAS	51178-68-8 (polymer)
Appearance	Pale Yellow or Colorless Oily Matter
Storage	Store at 2-8°C
Exact Mass	514.26254139
Vapor Pressure	0.0±4.0 mmHg at 25°C
LogP	-3.33

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