OPD

Cat. No.: O755510

GRADE & PURITY tablet

Overview

SIGMAFAST OPD (o-Phenylenediamine dihydrochloride) tablets have been developed for use as a soluble substrate for the detection of peroxidase activity in enzyme immunoassays (EIA). OPD is the EIA substrate of choice as it exhibits high sensitivity. EIA applications utilizing OPD may be read in timed assays or stopped with dilute acid solutions for delayed readings.
SIGMAFAST OPD has been used in saliva- virus-like particles (VLP) binding assay. It has also been used to develop enzyme linked immunosorbent assay (ELISA) plates for the detection of rituximab in rat serum samples.

Specifications

Product Name

OPD

Specifications & Purity

tablet

Molecule Type

Small molecule

Storage and Shipping

Concentration

tablet

Storage

Store at 2-8°C

Shipped In

Wet ice

Frequently Asked Questions

How is this product shipped?

This product ships chilled on wet ice. Unpack on arrival and transfer it to the storage condition stated above.

How should this product be stored?

Store at 2–8 °C. Refrigerated storage is required to maintain the specified shelf life.

What documentation is provided?

Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.