Organic Acids

Medchemexpress LLC N-acetyl-L-valyl-L-alpha-glutamyl-L-isoleucyl-L-aspart-1-al | 00-00-0 | MFCD01318861 | 99.8% | 614.57 g/mol | C24H37F3N4O11 | 5 MG

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Ac-VEID-CHO TFA is a peptide-derived aldehyde inhibitor of caspases used in biochemical research to study apoptosis and neurodegenerative disease mechanisms. The trifluoroacetate salt is supplied as a white to off-white solid with high purity and is suitable for assays requiring nanomolar potency against executioner caspases.

• Purity 99.8% by HPLC.
• Potent inhibition of caspase-3, caspase-6, and caspase-7 (IC50: 13.6 nM, 16.2 nM, 162.1 nM).
• Supplied as a solid, white to off-white powder.
• Soluble in water at approximately 1 mg/mL with sonication and warming.
• Storage recommendations include cold, sealed conditions to preserve stability.
• Designed for research applications in apoptosis and neurodegenerative disease models.
• Available in small research-scale quantities for assay development.

Sigma Aldrich Fine Chemicals Biosciences Phthalic anhydride Reagent

Phthalic anhydride is an industrially important chemical. It can be prepared from o-xylene or naphthalene. It is widely used for the industrial preparation of plasticizers for PVC (polyvinyl chloride).Phthalic anhydride can be synthesized via oxidation of o-xylene in the presence of V2O5/TiO2 monolithic catalyst supported by aluminium honeycomb.

Electron Microscopy Sciences Acetic Acid 3% 500 ML

Used in combined Hematoxylin and Eosin/Methenamine Silver Stain for the fungi in tissue Sections. For bacterial, fungal stains. See references: Lamps, Laura W. et al A Combined Hematoxylin and Eosin/Methenamin Silver Stain for theHistological Diagnosis of Fungi In Tissue Sections., J. of Histotechnology 23:4 p.341 – 345, 2000.

Electron Microscopy Sciences Acetic Acid 0.5% 500 ML

Used in Modified Movat's Stain for connective tissue stains – Elastic tissue stains. See Movat, H.Z.;: Demonstration of all connective tissue elements in a single section. Arch Path., 60:289 – 295, 1955 or Roman N., et al: Orcein-hematoxylin in iodized ferric chloride as a stain for elastic tissue. Stain Technology, 42:199 –202, 1967