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Chemical structure of Fluorescent brightener 184

GB53977

Fluorescent brightener 184

Also listed as 2,5-Bis-(5-tert-Butyl-2-benzoxazolyl)thiophene

Fluorescent brightener 184 (catalogue number GB53977) is a research-grade chemical available from LABO Scientific in Israel, CAS registry number 7128-64-5. Molecular formula C26H26N2O2S, molecular weight 430.56. IUPAC name: 5-tert-butyl-2-[5-(5-tert-butyl-1,3-benzoxazol-2-yl)thiophen-2-yl]-1,3-benzoxazole. Supplied as 500g at ₪93.82; the final price is confirmed on your quote, and the lot certificate of analysis and safety data sheet are emailed with your order confirmation.

ChemicalCAS7128-64-5MW430.56FormulaC26H26N2O2S
CAS number
7128-64-5
Molecular weight
430.56
Formula
C26H26N2O2S
InChIKey
AIXZBGVLNVRQSS-UHFFFAOYSA-N
Catalogue number
GB53977
Brand
GLPBIO
Computed properties PubChem CID 292429 · XLogP 8 · TPSA 80.3 Ų · H-bond donors 0
XLogP
8
TPSA
80.3 Ų
H-bond donors
0
H-bond acceptors
5
Rotatable bonds
4
Heavy atoms
31

SMILES CC(C)(C)C1=CC2=C(C=C1)OC(=N2)C3=CC=C(S3)C4=NC5=C(O4)C=CC(=C5)C(C)(C)C

Computed descriptors from PubChem (CID 292429), 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.