Biotin-PEG4-Acid(≥98% )

Biotin-PEG4-Acid(≥98% )

Catalog	BR00028334
CAS	721431-18-1
Structure
Description	Biotinylation reagent with 4 PEG spacer. Has a carboxyl group with a free -OH that can react with activated surfaces or can be converted to another reactive functionality
Synonyms	Biotin-PEG4-acid
IUPAC Name	17-oxo-21-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)-4,7,10,13-tetraoxa-16-azahenicosanoic acid
Molecular Weight	491.6 g/mol
Molecular Formula	C21H37N3O8S
Canonical SMILES	O=C1N[C@@]2([H])CS[C@@H](CCCCC(NCCOCCOCCOCCOCCC(O)=O)=O)[C@@]2([H])N1
InChI	InChI=1S/C21H37N3O8S/c25-18(4-2-1-3-17-20-16(15-33-17)23-21(28)24-20)22-6-8-30-10-12-32-14-13-31-11-9-29-7-5-19(26)27/h16-17,20H,1-15H2,(H,22,25)(H,26,27)(H2,23,24,28)/t16-,17-,20-/m0/s1
InChI Key	GYOXFFWLRKVJJX-ZWOKBUDYSA-N
Purity	≥98%
Appearance	PEG products generally appear as white or off-white powder, and for certain special 8-arm PEGs, it may appear as wax-like, semi-solid material due to low MW and the type of functional groups.
Application	Useful for biotinylation of reagents
Shelf Life	>2 years if stored properly
Storage	Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
Drug Formulation	This drug may be formulated in DMSO
Elemental Analysis	C, 51.31; H, 7.59; N, 8.55; O, 26.04; S, 6.52
Exact Mass	491.2301
HS Tariff Code	2934.99.9001
Item	Biotin-PEG4-Acid
Shipping	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.
Stock Solution Storage	0 - 4 C for short term (days to weeks), or -20 C for long term (months).

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