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Oxazole yellow

SIGMA/SML1792 - ≥98% (HPLC)

Synonym: 4-[(3-Methyl-2(3H)-benzoxazolylidene)methyl]-1-[3-(trimethylammonio)propyl]-quinolinium diiodide

CAS Number: 152068-09-2
Empirical Formula (Hill Notation): C24H29I2N3O
Molecular Weight: 629.32
Linear Formula: C24H29I2N3O
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-SML1792-1MG 1 mg
 $261.00
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assay ≥98% (HPLC)
color yellow to orange-brown
form powder
InChI 1S/C24H29N3O.2HI/c1-25-22-12-7-8-13-23(22)28-24(25)18-19-14-16-26(15-9-17-27(2,3)4)21-11-6-5-10-20(19)21;;/h5-8,10-14,16,18H,9,15,17H2,1-4H3;2*1H/q+2;;/p-2
InChI key ULHRKLSNHXXJLO-UHFFFAOYSA-L
Quality Level 100 
SMILES string CN1C2=CC=CC=C2OC1=CC3=CC=[N+](CCC[N+](C)(C)C)C4=C3C=CC=C4
solubility H2O: 5, clear (warmed)
storage condition protect from light
storage temp. 2-8°C
Biochem/physiol Actions: Oxazole yellow is a fluorescent cyanine dye that binds to DNA and is used to detect apoptotic cells. Oxazole yellow does not enter live cells. However, during apoptosis the cytoplasmic membrane becomes slightly permeable, allowing entry of the dye. Oxazole yellow is often used along with propidium iodide (catalog no. P4170), a DNA dead cell stain that does not enter either live or apoptotic cells. The λEx/λEm of Oxazole yellow is 491/509.
Packaging: 1 mg in glass bottle
Purity ≥98% (HPLC)
Storage Temp. 2-8°C
UNSPSC 12352200

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