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Merck

P0532

Sigma-Aldrich

Phthaldialdehyde Reagent

Solution Complete

Synonym(e):

OPA

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About This Item

CAS-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352201
PubChem Substanz-ID:
NACRES:
NA.21

Qualitätsniveau

Lagertemp.

2-8°C

SMILES String

[H]C(=O)c1ccccc1C([H])=O

InChI

1S/C8H6O2/c9-5-7-3-1-2-4-8(7)6-10/h1-6H

InChIKey

ZWLUXSQADUDCSB-UHFFFAOYSA-N

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Anwendung

Precolumn derivatization reagent for primary amines and amino acids. The fluorescent derivative can be detected by reverse-phase HPLC. The reaction requires OPA, primary amine and a sulfhydryl. In the presence of excess sulfhydryl, amines can be quantitated. In the presence of excess amine, sulfhydryls can be quantitated.

Sonstige Hinweise

Contains 1 mg o-phthaldialdehyde (P0657) per mL solution with 2-mercaptoethanol as the sulfhydryl moiety.

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Signalwort

Danger

Gefahreneinstufungen

Aquatic Chronic 2 - Eye Dam. 1 - Met. Corr. 1 - Repr. 1B - Skin Corr. 1B - Skin Sens. 1

WGK

WGK 3


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Jin-Aa Oh et al.
Journal of chromatography. A, 1247, 99-103 (2012-06-12)
A simple high performance liquid chromatographic (HPLC) method and a highly sensitive gas chromatography mass spectrometric (GC-MS) method have been established for the determination of ortho-phthalaldehyde (OPA) in water. These methods are based on the derivatization of OPA with hydrazine
Noriko Nishino et al.
Environmental science & technology, 46(15), 8198-8204 (2012-07-20)
Naphthalene, typically the most abundant polycyclic aromatic hydrocarbon in the atmosphere, reacts with OH radicals by addition to form OH-naphthalene adducts. These OH-naphthalene adducts react with O(2) and NO(2), with the two reactions being of equal importance in air at
Quansong Li et al.
Physical chemistry chemical physics : PCCP, 14(18), 6561-6568 (2012-03-30)
The potential energy surface for the intramolecular excited state hydrogen transfer (IESHT) in ortho-phthalaldehyde (OPA), which generates an enol ketene, has been studied with ab initio calculations (MS-CASPT2//CASSCF). The goal of our study is to establish the mechanistic factors that
M Nurul Islam et al.
The New phytologist, 193(1), 51-57 (2011-11-11)
• Sphingolipids are emerging as important mediators of cellular and developmental processes in plants, and advances in lipidomics have yielded a wealth of information on the composition of plant sphingolipidomes. Studies using Arabidopsis thaliana showed that the dihydroxy long-chain base
Vishnu Menon et al.
Journal of fluorescence, 23(2), 311-321 (2012-12-06)
This is the first report of inactivation of xyloglucanase from Thermomonospora sp by pepstatin A, a specific inhibitor towards aspartic proteases. The steady state kinetics revealed a reversible, competitive, two-step inhibition mechanism with IC 50 and K i values of

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