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Chemical structure of QSY 21 NHS

GC76184

QSY 21 NHS

Also known as (2,5-dioxopyrrolidin-1-yl) 1-[2-[3-(2,3-dihydroindol-1-ium-1-ylidene)-6-(2,3-dihydroindol-1-yl)xanthen-9-yl]phenyl]sulfonylpiperidine-4-carboxylate chloride

QSY 21 NHS, a dark quencher is an efficient energy transfer acceptor of the far red and NIR fluorescent probes

ChemicalCAS304014-13-9MW815.33FormulaC45H39ClN4O7S
CAS number
304014-13-9
Molecular weight
815.33
Formula
C45H39ClN4O7S
InChIKey
LZDDKALXTHBHSB-UHFFFAOYSA-M
Catalogue number
GC76184
Brand
GLPBIO
Computed properties PubChem CID 162310014 · TPSA 125 Ų · H-bond donors 0 · H-bond acceptors 10
TPSA
125 Ų
H-bond donors
0
H-bond acceptors
10
Rotatable bonds
7
Heavy atoms
58

SMILES C1CN(CCC1C(=O)ON2C(=O)CCC2=O)S(=O)(=O)C3=CC=CC=C3C4=C5C=CC(=[N+]6CCC7=CC=CC=C76)C=C5OC8=C4C=CC(=C8)N9CCC1=CC=CC=C19.[Cl-]

Computed descriptors from PubChem (CID 162310014), public domain. Identity cross-checked against the supplier's molecular formula and weight — verify before use.

Ordering in Israel

Lead time
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Pricing
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Documents
Lot certificate of analysis and manufacturer SDS are emailed with your order confirmation.
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Universities, hospitals and biotech companies across Israel. Research use only — not for diagnostic or therapeutic use.