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Chemical structure of Fluorescein Biotin

GC43685

Fluorescein Biotin

Also known as 6-[5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]-N-[5-[(3',6'-dihydroxy-1-oxospiro[2-benzofuran-3,9'-xanthene]-5-yl)carbamothioylamino]pentyl]hexanamide

Fluorescein biotin (FITC biotin) is a fluorescent biotin derivative and avidin and streptavidin ligand that contains a FITC fluorophore which displays excitation/emission maxima of 485/535 nm, respectively

ChemicalCAS134759-22-1MW831FormulaC42H50N6O8S2
CAS number
134759-22-1
Molecular weight
831
Formula
C42H50N6O8S2
Solubility
DMF： Soluble,DMSO： Soluble,Methanol： Soluble,Water： Slightly Soluble
InChIKey
YRQXINXZKRVBGQ-INIOENKZSA-N
Catalogue number
GC43685
Brand
GLPBIO
Computed properties PubChem CID 16219057 · XLogP 4.3 · TPSA 257 Ų · H-bond donors 8
XLogP
4.3
TPSA
257 Ų
H-bond donors
8
H-bond acceptors
10
Rotatable bonds
18
Heavy atoms
58

SMILES C1[C@H]2[C@@H]([C@@H](S1)CCCCC(=O)NCCCCCC(=O)NCCCCCNC(=S)NC3=CC4=C(C=C3)C(=O)OC45C6=C(C=C(C=C6)O)OC7=C5C=CC(=C7)O)NC(=O)N2

Computed descriptors from PubChem (CID 16219057), public domain. Identity cross-checked against the supplier's molecular formula and weight — verify before use.

Ordering in Israel

Lead time
Ships from the manufacturer to your lab in 8–14 business days; customs and cold chain handled by LABO Scientific.
Pricing
Quoted in ILS, excl. VAT. Add the item to your quote and we confirm the final price, usually the same business day.
Documents
Lot certificate of analysis and manufacturer SDS are emailed with your order confirmation.
Who we serve
Universities, hospitals and biotech companies across Israel. Research use only — not for diagnostic or therapeutic use.