Catechin (Catechin Standard)

Catechin, 5g

Product Profile
Catechin is a naturally occurring flavonoid (flavan-3-ol) widely used as a reference standard in antioxidant assays, phytochemical analysis, and chromatographic profiling. It is a key marker compound in plant extracts such as tea, cocoa, and fruits, known for strong free-radical scavenging activity.

Details
Brand: Molychem (or equivalent)
Product Name: Catechin
Pack Size: 5g
Molecular Formula: C₁₅H₁₄O₆
Molecular Weight: 290.27 g/mol
CAS Number: 154-23-4 ((+)-Catechin)

Specifications
Appearance: White to off-white or pale cream crystalline powder
Solubility: Slightly soluble in water; freely soluble in ethanol and methanol
Purity: Typically ≥95–98% (batch dependent)
Melting Point: ~175–177°C
Optical Activity: Optically active (depending on isomer)
UV λmax: ~279 nm
Light Sensitivity: Sensitive to light and air (oxidizes)

Handling
Avoid exposure to air and moisture. Handle with appropriate PPE (gloves, goggles, lab coat). Use under ventilation or in a fume hood where necessary.

Storage
Store in a tightly closed container in a cool, dry place. Protect from light, air, and moisture. Recommended storage: 2–8°C for stability.

Applications
Antioxidant assays (DPPH, FRAP, ABTS)
Phytochemical and plant extract analysis
HPLC/UV analytical reference standard
Food and nutraceutical research
Polyphenol quantification studies

Hazard Information
Low toxicity but may cause irritation to eyes, skin, and respiratory tract. Oxidizes on prolonged exposure to air. Handle according to SDS guidelines.

Packaging
Supplied in amber glass reagent bottle for light protection, sealed with screw cap and packed in labeled outer carton.
Safety Note
For laboratory and research use only. Not for food, drug, or household use. Follow standard laboratory safety procedures.