(4-nitrophenyl) (9E,12E)-octadeca-9,12-dienoate CAS: 6562-50-1

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                                    High Purity: Research Grade ≥90%, High-Purity Grade ≥95%, Biochemical Grade ≥97% (for enzyme assays), Analytical 
                                

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                                    Lead Time:  days
                                

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                                    Packaging: 100mg/500mg/1g/5g/10g/25g/glass bottle or aluminum foil bottle (for research); 100g/500g/1kg/plastic bottle or PTFE-lined container; custom packaging for bulk orders
                                

Used as a research chemical in biochemical and enzymatic assays; as a chromogenic substrate for lipases, esterases, and phospholipases – enzymatic hydrolysis releases 4-nitrophenol (p-nitrophenol), which can be quantified spectrophotometrically at 400–410 nm (yellow color in alkaline conditions); as a model substrate for studying fatty acid ester hydrolysis and transesterification; in the development of high-throughput screening assays for enzyme inhibitors and activators; used in lipid metabolism research and food chemistry studies; the (9E,12E)-dienoate configuration represents the trans,trans isomer of linoleic acid (as opposed to the natural cis,cis isomer).

Specifications

Chemical Name	(4-nitrophenyl) (9E,12E)-octadeca-9,12-dienoate
CAS Number	6562-50-1
Purity	Research Grade ≥90%, High-Purity Grade ≥95%, Biochemical Grade ≥97% (for enzyme assays), Analytical
Molecular Formula	C₂₄H₃₅NO₄
Molecular Weight	401.54
Appearance	Yellow to amber or pale yellow oily liquid or low-melting solid (depending on purity and temperature)
Packaging	100mg/500mg/1g/5g/10g/25g/glass bottle or aluminum foil bottle (for research); 100g/500g/1kg/plastic bottle or PTFE-lined container; custom packaging for bulk orders
Storage	Stored in a tightly sealed container in a cool, dry, well-ventilated area, protected from light, moisture, and heat; away from strong oxidizers, strong acids, strong bases, and reducing agents; store under inert atmosphere (nitrogen or argon) for long-term stability; keep container closed when not in use to prevent hydrolysis; store at -20°C (long-term) or 2–8°C (short-term) – the ester is susceptible to hydrolysis.
Lead Time	business days
Quality Standards	ISO 9001:2015, GMP compliant

Applications

✅ Chemical Intermediate

✅ Research & Development

✅ Laboratory Use