Description: Acid-PEG3-NHS ester is a PEG derivative containing a carboxylic acid and an NHS ester. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.
Name: Acid-PEG3-NHS ester
CAS#: 1835759-79-9
Chemical Formula: C14H21NO9
Exact Mass: 347.1216
Molecular Weight: 347.32
Elemental Analysis: C, 48.41; H, 6.09; N, 4.03; O, 41.46
Synonym: Acid-PEG3-NHS ester
IUPAC/Chemical Name: 3-(2-(2-(3-((2,5-dioxopyrrolidin-1-yl)oxy)-3-oxopropoxy)ethoxy)ethoxy)propanoic acid
InChi Key: ROYPWGXODZJYGP-UHFFFAOYSA-N
InChi Code: InChI=1S/C14H21NO9/c16-11-1-2-12(17)15(11)24-14(20)4-6-22-8-10-23-9-7-21-5-3-13(18)19/h1-10H2,(H,18,19)
SMILES Code: OC(CCOCCOCCOCCC(ON1C(CCC1=O)=O)=O)=O
Appearance: Solid powder
Purity: >98% (or refer to the Certificate of Analysis)
Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.
Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
Solubility: Soluble in DMSO
Shelf Life: >3 years if stored properly
Drug Formulation: This drug may be formulated in DMSO
Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).
HS Tariff Code: 2934.99.03.00
關(guān)鍵字： 1835759-79-9;NHS ester;PEG3;
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