Fmoc-N-amido-PEG7-acid

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Category	Small-molecule Group Protected PEG
Catalog NO.	BPG-2416
Product Name	Fmoc-N-amido-PEG7-acid
CAS	1863885-74-8
Molecular Formula	C32H45NO11
Molecular Weight	619.70

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Description	Fmoc-N-amido-PEG7-acid is a PEG linker containing a Fmoc-protected amine and a terminal carboxylic acid. The Fmoc group can be deprotected under the basic conditions to obtain the free amine which can be used for further conjugations. The terminal carboxylic acid can react with primary amine groups in the presence of activators (e.g. EDC, or HATU) to form a stable amide bond. The hydrophilic PEG spacer increases solubility in aqueous media.
Synonyms	Fmoc-NH-PEG7-CH2CH2COOH; Fmoc-PEG7-propionic acid; 1-(9H-Fluoren-9-yl)-3-oxo-2,7,10,13,16,19,22,25-octaoxa-4-azaoctacosan-28-oic acid; 2,7,10,13,16,19,22,25-Octaoxa-4-azaoctacosan-28-oic acid, 1-(9H-fluoren-9-yl)-3-oxo-; Fmoc-N-PEG7-acid
IUPAC Name	3-[2-[2-[2-[2-[2-[2-[2-(9H-fluoren-9-ylmethoxycarbonylamino)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid
Canonical SMILES	C1=CC=C2C(=C1)C(C3=CC=CC=C32)COC(=O)NCCOCCOCCOCCOCCOCCOCCOCCC(=O)O
InChI	InChI=1S/C32H45NO11/c34-31(35)9-11-37-13-15-39-17-19-41-21-23-43-24-22-42-20-18-40-16-14-38-12-10-33-32(36)44-25-30-28-7-3-1-5-26(28)27-6-2-4-8-29(27)30/h1-8,30H,9-25H2,(H,33,36)(H,34,35)
InChIKey	QTWMNLIXRWCJSM-UHFFFAOYSA-N
Boiling Point	758.0±60.0°C at 760 mmHg
Purity	≥95%
Density	1.2±0.1 g/cm3
Related CAS	850312-72-0 (polymer)
Appearance	Pale Yellow or Colorless Oily Liquid
Storage	Store at 2-8°C
Exact Mass	619.29926125
LogP	3.50690
Pictogram(s)	Irritant
Signal	Warning
Precautionary Statement Codes	P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

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