Description: Biotin-PEG4-azide is PEG derivative containing a biotin group and an azide group. The azide group can react to form a stable triazole linkage. The hydrophilic PEG spacer increases solubility in aqueous media and increases membrane impermeability of the molecules conjugated to the biotin compound. It also helps to minimize steric hindrance involved with the binding to avidin molecules. PEG Linkers may be useful in the development of antibody drug conjugates.

Name: Biotin-PEG4-azide
CAS#: 875770-34-6
Chemical Formula: C20H36N6O6S
Exact Mass: 488.2417
Molecular Weight: 488.6
Elemental Analysis: C, 49.16; H, 7.43; N, 17.20; O, 19.65; S, 6.56

Synonym: Biotin-PEG4-azide

IUPAC/Chemical Name: N-(14-azido-3,6,9,12-tetraoxatetradecyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide

InChi Key: PVEHVEYAPUNCCP-LNLFQRSKSA-N

InChi Code: InChI=1S/C20H36N6O6S/c21-26-23-6-8-30-10-12-32-14-13-31-11-9-29-7-5-22-18(27)4-2-1-3-17-19-16(15-33-17)24-20(28)25-19/h16-17,19H,1-15H2,(H,22,27)(H2,24,25,28)/t16-,17-,19-/m0/s1

SMILES Code: O=C1N[C@@]2([H])CS[C@@H](CCCCC(NCCOCCOCCOCCOCCN=[N+]=[N-])=O)[C@@]2([H])N1

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