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alpha-Naphtholbenzein
alpha-Naphtholbenzein
alpha-Naphtholbenzein
Thermo Scientific Chemicals

alpha-Naphtholbenzein

Indicator | CAS: 145-50-6 | C27H18O2 | 374.44 g/mol
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Catalog number 415320050
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34.65
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Ends: 30-Jun-2026
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Quantity:
5 g
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Price (USD)
34.65
Special offer
Online exclusive
Ends: 30-Jun-2026
40.30
Save 5.65 (14%)
Each
Chemical Identifiers
CAS145-50-6
IUPAC Name(4E)-4-[(4-hydroxynaphthalen-1-yl)(phenyl)methylidene]-1,4-dihydronaphthalen-1-one
Molecular FormulaC27H18O2
InChI KeyVDDWRTZCUJCDJM-SOYKGTTHSA-N
SMILESOC1=C2C=CC=CC2=C(C=C1)C(\C1=CC=CC=C1)=C1/C=CC(=O)C2=CC=CC=C12
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SpecificationsSpecification SheetSpecification Sheet
Appearance (Color)Dark red to red-brown to brown-black
Appearance (Color)to orange-brown
Appearance (Form)Powder
Infrared spectrumConforms
Molar extinction coefficient>=50000 (0.01 g/l methanol) (207-213 nm)
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This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
RUO – Research Use Only