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CAS 643-79-8 O-Phthalaldehyde OPA 99% Fluorescent Detection Reagent for Bioanalytical Chemistry
CAS 643-79-8 O-Phthalaldehyde OPA 99% Fluorescent Detection Reagent for Bioanalytical Chemistry
Specifications
Supply Ability :
5000 Kilograms per Month
Model Number :
OPA-99-04
Place of Origin :
Hubei, China
Appearance :
Yellow crystalline powder
Molecular Formula :
C8H6O2
Purity :
≥99%
Grade :
Bioanalytical Grade
Brand Name :
ECER Chemical
MOQ :
1 Kilogram
CAS Number :
643-79-8
Certification :
ISO 9001:2015, COA
Delivery Time :
3-7 working days for stock, 15-25 days for bulk production
Payment Terms :
T/T, L/C, PayPal, Western Union
Packaging Details :
1kg/5kg/25kg HDPE drum with inner aluminum foil bag, or customized packaging per customer requirements
Price :
USD 50-200 / Kilogram
Molecular Weight :
134.13 g/mol
Excitation/Emission :
340 nm / 455 nm
Description

CAS 643-79-8 O-Phthalaldehyde OPA — Fluorescent Detection Reagent

Our O-Phthalaldehyde OPA CAS 643-79-8 is a 99% pure fluorogenic reagent for the sensitive detection and quantification of primary amines, amino acids, peptides, and proteins in bioanalytical chemistry. OPA reacts rapidly with primary amines in the presence of a thiol co-reagent (e.g., 2-mercaptoethanol or N-acetylcysteine) to form highly fluorescent isoindole adducts.

Fluorescence Properties

  • Excitation maximum: 340 nm
  • Emission maximum: 455 nm
  • Detection limit: femtomole to picomole range for amino acids
  • Linear dynamic range: 3-4 orders of magnitude

Key Applications

  • Pre-column and post-column HPLC derivatization of amino acids
  • Capillary electrophoresis with laser-induced fluorescence (CE-LIF)
  • Protein and peptide quantification in proteomics workflows
  • Enzymatic activity assays measuring amine release
  • Bioprocess monitoring of cell culture media

Product Specifications

Each batch of CAS 643-79-8 OPA is tested for fluorescence background, ensuring minimal blank signal for maximum detection sensitivity. Supplied with certificate of analysis.

Request a sample or quotation to evaluate our O-Phthalaldehyde in your detection workflow.

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CAS 643-79-8 O-Phthalaldehyde OPA 99% Fluorescent Detection Reagent for Bioanalytical Chemistry

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Product Detail
Supply Ability :
5000 Kilograms per Month
Model Number :
OPA-99-04
Place of Origin :
Hubei, China
Appearance :
Yellow crystalline powder
Molecular Formula :
C8H6O2
Purity :
≥99%
Contact Supplier
CAS 643-79-8 O-Phthalaldehyde OPA 99% Fluorescent Detection Reagent for Bioanalytical Chemistry

ADDE TECHNOLOGY CO.,LTD

Verified Supplier
2 Years
shandong, weifang
Since 2004
Business Type :
Agent, Exporter, Trading Company, Seller
Main Products :
Methacrylic Anhydride, DMCD, Dimethylaminopropylamine DMAPA
Total Annual :
5,000,000-10,000,000
Employee Number :
>50
Certification Level :
Verified Supplier
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