Biochemical Reagents
Alkali Scientific 2 Nitrophenyl β D Xylopyranoside, 500 Milligrams
2-Nitrophenyl β-D-xylopyranoside (500 mg) is a substrate used for studying xylanase activity in enzymatic assays. Xylanases, which break down xylan (a hemicellulose), can cleave this substrate, producing p-nitrophenol that is easily measured by its absorbance at 405 nm. This reagent is crucial for biochemists studying the hydrolysis of hemicellulose, a major component of plant cell walls. It has applications in areas such as agricultural research, biofuel production, and the characterization of enzymes that degrade plant biomass. The 500 mg quantity makes it suitable for both small- and large-scale enzyme activity testing.
![Alkali Scientific EDTA Disodium Salt [Ethylenediaminetetra acetic acid, disodium salt dihydrate], 1 Kg](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000659819.jpg-250.jpg)
Alkali Scientific EDTA Disodium Salt [Ethylenediaminetetra acetic acid, disodium salt dihydrate], 1 Kg
EDTA Disodium Salt, also known as Ethylenediaminetetraacetic acid disodium salt dihydrate, is a chelating agent commonly used in laboratories for its ability to bind divalent metal ions. This 1 kg package is ideal for laboratory use in applications such as molecular biology, biochemistry, and analytical chemistry. EDTA works by sequestering metal ions, preventing metal-catalyzed reactions or inhibiting enzymatic activities dependent on metal ions. Its chelating properties make it useful in DNA extraction, protein purification, and various other experiments where controlling metal ion concentration is essential. This reagent is widely used for its effectiveness in ensuring precise chemical reactions and for stabilizing samples in research.
TARGETMOL CHEMICALS INC Ergosterol Acetate 5MG
Also available in 1 mg, 2 mg, 10 mg, 25 mg, 50 mg, 100 mg and bulk. Please contact Fisher for quotes. Ergosterol Acetate (Ergosta-5,7,22-trien-3-beta-yl acetate) is one of the acetate derivatives of Ergosterol from Monascus anka. Purity 98.44%
TARGETMOL CHEMICALS INC 1 3 6-Tri-O-galloyl-beta-D-glu
Also available in 1 mL, 5 mg, 10 mg, 25 mg, 50 mg and bulk. Please contact Fisher for quotes. 1,3,6-Tri-O-galloyl-beta-D-glucose (1,3,6-Tri-O-galloylglucose) is a phenolic compound found in Black Walnut Kernels, exhibiting anti-inflammatory activity. Purity 99.37%
TARGETMOL CHEMICALS INC H-D-Phe-Pip-Arg-pNA dihydro
Also available in 1 mL, 5 mg, 10 mg, 25 mg, 50 mg, 100 mg and bulk. Please contact Fisher for quotes. H-D-Phe-Pip-Arg-pNA dihydrochloride (S-2238 dihydrochloride), a chromogenic substrate, mimics the N-terminal fragment of the A alpha chain of fibrinogen, the native substrate of thrombin. Specifically designed for thrombin detection, it is employed for quantifying antithrombin-heparin cofactor (AT-III) and is characterized by its sensitivity, accuracy, and ease of implementation. Purity 99.47%
Medchemexpress LLC R-(+)-Citronellal | 2385-77-5 | 98.7% | 154.25 | 500 MG
(R)-(+)-Citronellal is a monoterpenoid compound and a main component of essential oils from plants like lemon grass. It exhibits antibacterial, antifungal, and insecticidal activities. This compound alleviates caffeine bitterness by antagonizing bitter taste receptors Tas2r43 and Tas2R46. It also generates analgesic activity by activating the opioid receptor pathway, particularly for inflammatory pain.
- Monoterpenoid compound derived from essential oils
- Exhibits antibacterial, antifungal, and insecticidal properties
- Alleviates caffeine bitterness by antagonizing Tas2r43 and Tas2R46
- Generates analgesic activity via opioid receptor pathway activation
- Effective against inflammatory pain
Medchemexpress LLC Tiglyl carnitine | 64681-36-3 | 99.8% | 243.30 | 25 MG
Tiglyl carnitine is an endogenous metabolite associated with celiac disease and mitochondrial acetoacetyl-CoA thiolase (T2) deficiency.
- Human endogenous metabolite
- Associated with celiac disease
- Associated with mitochondrial acetoacetyl-CoA thiolase (T2) deficiency
- Solid appearance
- White to off-white color
- Store as powder at -20°C for 3 years
- Store in solvent at -80°C for 6 months, -20°C for 1 month
Medchemexpress LLC Estrone sulfate (sodium) | 438-67-5 | 99.8% | 372.41 | 25 MG
Estrone sulfate sodium is an inactive endogenous estrogen. It can be converted into Estrone and Estradiol and is a substrate of the OATP1B3 transporter. This compound stimulates the growth of nitrosomethylurea-induced mammary tumors and colony formation of dispersed nitrosomethylurea mammary cells, with conversion to Estrone and Estradiol occurring both in vivo and in vitro.
- Can be converted into Estrone and Estradiol.
- Substrate of the OATP1B3 transporter.
- Stimulates mammary tumor growth in ovariectomized rats.
- Applicable to breast cancer-related research.
Cayman Chemical CP 339 818hydrochlorIde 5mg
An inhibitor of Kv1.3 and Kv1.4 (IC50s = 0.23 and 0.3 µM, respectively); selective for these channels over Kv1.1, Kv1.2, Kv1.5, and Kv1.6 channels (IC50s = 62, 14, 19, and 20 µM, respectively), as well as Kv3.1, Kv3.2, Kv3.4, and Kv4.2 channels (IC50s = 17, 10, 36, and >10 µM, respectively); inhibits anti-CD3 antibody- or ionomycin- and PMA-induced thymidine incorporation in isolated human peripheral blood T cells (IC50s = 4.7 and 5.2 µM, respectively)
Cayman Chemical TAMRAAmyloId128 PeptId 100ug
A fluorescently labeled amyloid-β peptide; ex/em = 543/572 nm
Apexbio Technology LLC Boc-β-Homo-Pro-OH 26250-84-0 25g
Boc-beta-Homo-Pro-OH (CAS 26250-84-0) is a proline derivative featuring a -amino acid backbone with a tert-butyloxycarbonyl (Boc) protecting group Its distinctive -positioned cyclic structure imparts altered conformational flexibility compared to standard -amino acids Boc-beta-Homo-Pro-OH is widely utilized in peptide modification and structural studies to facilitate the synthesis of peptides with defined spatial configurations or constrained cyclic motifs It serves as an intermediate in the preparation and structural refinement of peptide-based molecules for pharmaceutical and biomedical research
Apexbio Technology LLC H-D-Dab-OH•2HCl 127531-11-7 25g
H-D-Dab-OH 2HCl is a synthetic amino acid derivative structurally characterized by a D-configured 2 4-diaminobutyric acid framework It serves as a building component for peptide synthesis enabling modification of peptide drug characteristics such as metabolic stability receptor binding dynamics and bioactivity profiles H-D-Dab-OH 2HCl does not have a specified target or defined mechanism of action There are no reported data on its activity type experimental model or key pharmacological metrics Based on its properties H-D-Dab-OH 2HCl is primarily applied in the preparation of peptide-based therapeutics and pharmacological tools supporting investigations into protein structure activity relationships and receptor interaction mechanisms