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93979

伞形酮

Name: 伞形酮
Brand: SIGMA

suitable for fluorescence indicator, ≥98.0% (HPLC)

别名:

7-羟基-2H-1-苯并吡喃-2-酮, 7-羟基香豆素

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关于此项目

经验公式（希尔记法）:

C₉H₆O₃

化学文摘社编号:

93-35-6

分子量:

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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属性

Quality Level

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

说明

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存储类别

11 - Combustible Solids

wgk

WGK 3

ppe

dust mask type N95 (US), Eyeshields, Gloves

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pH induced dual "OFF-ON-OFF" switch: influence of a suitably placed carboxylic acid.

Kalyan K Sadhu et al.

Organic & biomolecular chemistry, 11(4), 563-568 (2012-10-13)

The design and synthesis of molecular probes competent for pH signaling within or beyond a certain range is a complicated matter. Herein a new mechanism for ''OFF-ON-OFF'' absorbance and fluorescence intensities vs. pH behaviour is described. The probe design is

Quencher-free molecular beacon tethering 7-hydroxycoumarin detects targets through protonation/deprotonation.

Hiromu Kashida et al.

Bioorganic & medicinal chemistry, 20(14), 4310-4315 (2012-06-19)

In this study, we synthesized a simple but efficient quencher-free molecular beacon tethering 7-hydroxycoumarin on D-threoninol based on its pK(a) change. The pK(a) of 7-hydroxycoumarin in a single strand was determined as 8.8, whereas that intercalated in the duplex was

Molecular cloning and functional analysis of the ortho-hydroxylases of p-coumaroyl coenzyme A/feruloyl coenzyme A involved in formation of umbelliferone and scopoletin in sweet potato, Ipomoea batatas (L.) Lam.

Seitaro Matsumoto et al.

Phytochemistry, 74, 49-57 (2011-12-16)

Ortho-hydroxylation of cinnamates is a key step in coumarin biosynthesis in plants. Ortho-hydroxylated cinnamates undergo trans/cis isomerization of the side-chain and then lactonization to form coumarins. Sweet potato [Ipomoea batatas (L.) Lam.] accumulates umbelliferone and scopoletin after biotic and abiotic

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全球贸易项目编号

货号	GTIN
93979-100G	04061833379158
93979-25G	04061833415146