o-Phthalaldehyde - for fluorescence analysis, ≥99%(HPLC) , CAS No.643-79-8

Name: o-Phthalaldehyde - for fluorescence analysis, ≥99%(HPLC) , CAS No.643-79-8
SKU: P108633
Availability: InStock

CAS: 643-79-8 Cat. No.: P108633 Formula: C₈H₆O₂ Molecular Weight: 134.13 Beilstein Registry Number: 878317 EC Number: 211-402-2

205 Citations COA

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o-Phthalaldehyde - for fluorescence analysis, ≥99%(HPLC) CAS No(643-79-8) by Aladdin Scientific

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AVAILABLE TO ORDER

GRADE & PURITY for Fluorescence analysis ? ≥99%(HPLC)

Synonyms

Storage

Store at 2-8°C,Argon charged

Shipped In

Wet ice

Overview Specifications Names and Identifiers Documentation Advanced Data Taxonomic Classification 3D Structure Associated Targets(Human) Associated Targets(non-human) Mechanisms of Action Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties FAQs and Articles Citations of This Product Solution Calculators Reviews

🧪

Why this grade

for fluorescence analysis, ≥99%(HPLC) for Fluorescence analysis for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 205 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

For precolumn derivatization of amino acids for HPLC separation. For flow cytometric measurements of protein thiol groups.

Specifications

Synonyms

Specifications & Purity

for fluorescence analysis, ≥99%(HPLC)

Storage

Store at 2-8°C,Argon charged

Shipped In

Wet ice

This product requires cold chain shipping. Ground and other economy services are not available.

Grade

for Fluorescence analysis

Purity

≥99%(HPLC)

Names and Identifiers

Pubchem Sid

508816716

Canonical Smiles

C1=CC=C(C(=C1)C=O)C=O

IUPAC Name

phthalaldehyde

InChIKey

ZWLUXSQADUDCSB-UHFFFAOYSA-N

INCHI

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

Isomeric SMILES

C1=CC=C(C(=C1)C=O)C=O

WGK Germany

RTECS

TH6950000

UN Number

2923

Packing Group

Molecular Weight

134.13

Beilstein

878317

Reaxy-Rn

878317

Reaxys-RN_link_address

https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=878317&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

Kingdom Organic compounds
- Superclass Benzenoids
  - Class Benzene and substituted derivatives
    - Subclass Benzoyl derivatives

Kingdom	Organic compounds
Superclass	Benzenoids
Class	Benzene and substituted derivatives
Subclass	Benzoyl derivatives
Intermediate Tree Nodes	Not available
Direct Parent	Benzoyl derivatives
Alternative Parents	Benzaldehydes Organic oxides Hydrocarbon derivatives
Molecular Framework	Aromatic homomonocyclic compounds
Substituents	Benzoyl - Benzaldehyde - Aryl-aldehyde - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Aldehyde - Aromatic homomonocyclic compound
Description	This compound belongs to the class of organic compounds known as benzoyl derivatives. These are organic compounds containing an acyl moiety of benzoic acid with the formula (C6H5CO-).
External Descriptors	benzaldehydes - dialdehyde
1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61. DOI: 10.1186/s13321-016-0174-y

3D Structure

Associated Targets(Human)

VDR Tclin Vitamin D receptor (26531 Activities)

Discover Target: VDR

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

THRB Tclin Thyroid hormone receptor beta-1 (7926 Activities)

Discover Target: THRB

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

POLK Tbio DNA polymerase kappa (8653 Activities)

Discover Target: POLK

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

EHMT2 Tchem Histone-lysine N-methyltransferase, H3 lysine-9 specific 3 (93046 Activities)

Discover Target: EHMT2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

TDP1 Tchem Tyrosyl-DNA phosphodiesterase 1 (345557 Activities)

Discover Target: TDP1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

LMNA Tbio Prelamin-A/C (36751 Activities)

Discover Target: LMNA

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

BLM Tchem Bloom syndrome protein (4248 Activities)

Discover Target: BLM

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

GMNN Tbio Geminin (128009 Activities)

Discover Target: GMNN

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PMP22 Tbio Peripheral myelin protein 22 (699 Activities)

Discover Target: PMP22

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

KMT2A Tchem Histone-lysine N-methyltransferase MLL (17327 Activities)

Discover Target: KMT2A

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

USP1 Tchem Ubiquitin carboxyl-terminal hydrolase 1 (22556 Activities)

Discover Target: USP1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

MEN1 Tchem Menin/Histone-lysine N-methyltransferase MLL (48157 Activities)

Discover Target: MEN1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Associated Targets(non-human)

Mycobacteroides chelonae (540 Activities)

Explore this target

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Meloidogyne incognita (862 Activities)

Explore this target

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Mus musculus (284745 Activities)

Explore this target

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

GCN5 Histone acetyltransferase GCN5 (89 Activities)

Discover Target: GCN5

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

ffp 4'-phosphopantetheinyl transferase ffp (24982 Activities)

Discover Target: ffp

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Mechanisms of Action

Certificates（CoA,COO,BSE/TSE and Analysis Chart)

C of A & Other Certificates(BSE/TSE, COO):

Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

31 results found

Lot Number	Certificate Type	Date	Item
C2609052	Certificate of Analysis	Mar 12, 2026	P108633
C2606175	Certificate of Analysis	Mar 12, 2026	P108633
E2613441	Certificate of Analysis	Mar 04, 2026	P108633
E2613460	Certificate of Analysis	Mar 04, 2026	P108633
E2613461	Certificate of Analysis	Mar 04, 2026	P108633
L2311193	Certificate of Analysis	Sep 09, 2025	P108633
L2311190	Certificate of Analysis	Sep 09, 2025	P108633
L2311188	Certificate of Analysis	Sep 09, 2025	P108633
L2311187	Certificate of Analysis	Sep 09, 2025	P108633
L2311186	Certificate of Analysis	Sep 09, 2025	P108633
L2311181	Certificate of Analysis	Sep 09, 2025	P108633
L2311180	Certificate of Analysis	Sep 09, 2025	P108633
K2109666	Certificate of Analysis	May 09, 2025	P108633
K2109663	Certificate of Analysis	May 09, 2025	P108633
L2522080	Certificate of Analysis	Apr 15, 2025	P108633
D2529302	Certificate of Analysis	Apr 15, 2025	P108633
D2529299	Certificate of Analysis	Apr 15, 2025	P108633
D2523143	Certificate of Analysis	Apr 15, 2025	P108633
D2523142	Certificate of Analysis	Apr 15, 2025	P108633
L2311189	Certificate of Analysis	Nov 28, 2023	P108633
D2508094	Certificate of Analysis	Nov 28, 2023	P108633
K2109664	Certificate of Analysis	Aug 02, 2023	P108633
K2109665	Certificate of Analysis	Aug 02, 2023	P108633
G2117305	Certificate of Analysis	Apr 17, 2023	P108633
G2117304	Certificate of Analysis	Apr 17, 2023	P108633
G2117303	Certificate of Analysis	Apr 17, 2023	P108633
I2223219	Certificate of Analysis	Sep 06, 2022	P108633
J2324046	Certificate of Analysis	Sep 06, 2022	P108633
I2223218	Certificate of Analysis	Sep 06, 2022	P108633
I2223212	Certificate of Analysis	Sep 06, 2022	P108633
K2328058	Certificate of Analysis	Sep 06, 2022	P108633

Chemical and Physical Properties

Sensitivity	Air,Light and Moisture Sensitive
x_flash_point_drop_fahrenheit	269.6 °F
x_flash_point_drop_centigrade	>110℃
x_boil_point_char	84°C/0.8mmHg
x_melt_point_char	56-57°C
Molecular Weight	134.130 g/mol
XLogP3	1.200
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	2
Exact Mass	134.037 Da
Monoisotopic Mass	134.037 Da
Topological Polar Surface Area	34.100 Å²
Heavy Atom Count	10
Formal Charge	0
Complexity	115.000
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
The total count of all stereochemical bonds	0
Covalently-Bonded Unit Count	1

FAQs and Articles

Choosing Reagents ‘for Fluorescence Analysis’: A Practical Guide

Categories: Reagent Specifications, Grading and Purity

Tags:

For fluorescence analysis

Amino Acid Oxidases: Oxygen-Dependent Oxidative Deamination Systems and Their Analytical and Applied Uses

Categories: Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides

Tags:

Biosensing FAD FMN Amino acid oxidase L-amino acid oxidase D-amino acid oxidase Oxidative deamination Hydrogen peroxide Chiral analysis Oxygen limitation

Research Applications of Pancreatin: An Overview

Categories: Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides

Tags:

In Vitro Digestion Models sample pretreatment Pancreatin Composite digestive enzymes Bioaccessibility Potency assay Omics analysis

Glutaraldehyde-mediated Microbial Inactivation: Chemical Mechanisms, Determinants, and Key Validation Considerations

Categories: Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides

Tags:

Glutaraldehyde Microbial Inactivation Dialdehyde Crosslinking Protein Fixation Biofilm Spores Viruses Inactivation Verification Neutralizer Residue Control

Review of the Principles, Common Methods, and Key Application Considerations for the Determination of Glycerol and Triglyceride Contents

Categories: Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides

Tags:

lipase Methodological standardization Enzymatic Assay Glycerol Triglyceride Glycerol Kinase Glycerol Phosphate Oxidase Chromatographic Analysis Mass Spectrometric Analysis

Applications of Self-Assembled Monolayers (SAMs), Microcontact Printing, and Soft Lithography in Surface Functionalization and Micro/Nanopatterning

Categories: Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides

Tags:

SAMs

Roles of the Carboxypeptidase Family in Protein C-Terminal Processing and Experimental Analysis

Categories: Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides

Tags:

Mass spectrometry carboxypeptidase family metallocarboxypeptidase serine carboxypeptidase C-terminal processing protein modification multi-enzyme combination terminal heterogeneity

Methods and Applications for the Determination of Amino Acid Content and Composition

Categories: Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides

Tags:

Amino acids Mass spectrometry High-performance liquid chromatography Derivatization free amino acids total amino acids amino acid composition ninhydrin

Skin Anti-Aging Mechanisms of Carnosine and Decarboxy Carnosine: Active Carbonyl Scavenging, Oxidative-Stress Buffering, and Inhibition of Collagen Glycation Cross-Linking

Categories: Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides

Tags:

Carnosine β-alanine L-histidine

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o-Phthalaldehyde - for fluorescence analysis, ≥99%(HPLC) , CAS No.643-79-8

Storage & shipping

Quality documents

Literature proof

Overview

Specifications

Documentation

📋 Safety Data Sheet (SDS)

✅ Certificate of Analysis (COA)

📊 Datasheet

🔬 Specification Sheet

Advanced Data

Molarity Calculator

Dilution Calculator

Reconstitution Calculator

Customer Reviews

📚 Citations by Application

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