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93979

Umbelliferone

Name: Umbelliferone
Brand: SIGMA

suitable for fluorescence indicator, ≥98.0% (HPLC)

Synonym(s):

7-Hydroxy-2H-1-benzopyran-2-one, 7-Hydroxycoumarin

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About This Item

Empirical Formula (Hill Notation):

C₉H₆O₃

CAS Number:

93-35-6

Molecular Weight:

162.14

UNSPSC Code:

12171500

NACRES:

NA.32

PubChem Substance ID:

57653583

EC Number:

202-240-3

Beilstein/REAXYS Number:

127683

MDL number:

MFCD00006878

Assay:

≥98.0% (HPLC)

Form:

crystals

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Properties

Quality Segment

100

assay

≥98.0% (HPLC)

form

crystals

mp

230 °C (dec.) (lit.), 230-234 °C

solubility

dioxane: soluble, ethanol: soluble

fluorescence

λ_ex 325 nm; λ_em 452 nm in 0.1 M citrate pH 3.0

suitability

suitable for fluorescence indicator

SMILES string

Oc1ccc2C=CC(=O)Oc2c1

InChI

1S/C9H6O3/c10-7-3-1-6-2-4-9(11)12-8(6)5-7/h1-5,10H

InChI key

ORHBXUUXSCNDEV-UHFFFAOYSA-N

Description

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Storage Class

11 - Combustible Solids

wgk

WGK 3

ppe

dust mask type N95 (US), Eyeshields, Gloves

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