Glycosyl compounds
Sigma Aldrich Fine Chemicals Biosciences Amyloid beta Protein fragm1MG
Amyloid Protein fragment 1-40 (A40) is derived from the amyloid- protein (A) which is mapped to human chromosome 21q21.3. A40 is predominantly present in the vascular amyloid deposits. A40 comprises of C-terminal membrane insertion domain. It shows structural transition from random coil to a helical structure in a water-micelle medium.
Medchemexpress LLC p-Nitrophenyl α-D-mannopyranoside | 10357-27-4 | 98.9% | 301.25 | 100 MG
p-Nitrophenyl α-D-mannopyranoside (4-Nitrophenyl α-D-mannopyranoside) is a chromogenic glycosidic ligand. It is characterized by a sugar moiety (α-D-mannopyranose) with an axial hydroxyl group at the C2 position, and a ligand portion (p-nitrophenol) that provides ultraviolet-visible light absorption properties. This compound is suitable for determining glycosidase activity and for characterizing the sugar recognition properties of lectins, such as Concanavalin A (HY-P2149).
- Chromogenic glycosidic ligand.
- Features a sugar moiety (α-D-mannopyranose) with a mannose-characteristic axial hydroxyl group at the C2 position.
- Includes a ligand portion (p-nitrophenol) that provides ultraviolet-visible light absorption properties.
- Can be used to determine glycosidase activity.
- Can be used to characterize the sugar recognition properties of lectins (e.g., Concanavalin A).
Medchemexpress LLC Allyl α-D-galactopyranoside | 48149-72-0 | MFCD01320363 | 98.0% | 220.22 g·mol⁻¹ | C9H16O6 | 100 MG
Allyl α-D-galactopyranoside is an α-D-galactoside used as a biochemical reagent and synthetic building block in glycobiology and carbohydrate chemistry. It is intended for research use and commonly applied in studies of glycosylation, enzymatic synthesis, and protein-carbohydrate recognition.
- Used as a biochemical reagent and building block in glycobiology.
- Suitable for studies of glycosylation and protein-carbohydrate recognition.
- Offered at 98.0% purity for reproducible results.
- Available in multiple packaging sizes to support small-scale and larger experiments.
Medchemexpress LLC IFN-beta Protein Mo 1mg
IFN- protein is a type I interferon that plays a key role in the innate immune response by binding to IFNAR2 and IFNAR1 receptors and activating Jak-STAT signaling This results in transcriptional regulation of interferon-regulated genes affecting antiviral proteins cell proliferation regulators and immunomodulatory proteins IFN-beta Protein Mouse (HEK293 Fc) is the recombinant mouse-derived IFN-beta protein expressed by HEK293 with C-hFc labeled tag
Medchemexpress LLC SDF-1 beta/CXCL12 H 100ug
SDF-1 beta (Stromal-derived factor-1 SDF-1 ) is a stromal derived CXC chemokine that signal through the CXCR4 receptor SDF-1 has chemotactic activity on B and T cells[1][2] SDF-1 beta/CXCL12 Protein Human (HEK293 Fc) is produced in HEK293 cells with a N-Terminal Fc-tag It consists of 72 amino acids (K22-M93)
Cayman Chemical 4-MethylumbelIferylD-Gala 5g
A fluorogenic substrate for β-galactosidase; hydrolysis of MUG by β-gal releases the fluorescent moiety 4-MU, which displays a pH-dependent excitation maximum of 330, 370, and 385 nm at pH 4.6, 7.4, and 10.4, respectively, and an emission maximum between 445-454 nm; has been used to detect β-gal activity in intact bacteria, yeast, and mammalian cells
Medchemexpress LLC Tricin 7-O-glucuronide | 32769-02-1 | 99.1% | 506.41 | 10 MG
Tricin 7-O-glucuronide is an Alfalfa (Medicago sativa L.) flavonoid that can be obtained from the leaves of M. tenuifollium G. Forster. It is for research use only.
- Solid, light yellow to yellow appearance
- Molecular formula: C23H22O13
- Classified as a flavonoid, flavone, phenol, and polyphenol
- Initial source is plants, specifically Medicago sativa L.
- Solubility in DMSO: ≥ 100 mg/mL
- Store at 4°C, protected from light, under nitrogen
Medchemexpress LLC Rhein 8-O-β-D-Glucopyranoside | 34298-86-7 | 1 ML
Rhein 8-O-β-D-Glucopyranoside is an anthraquinone glycoside isolated from rhubarb, known for its purgative activity. This compound exhibits high purity at 99.81% and appears as a light yellow to yellow solid. It is soluble in DMSO and can be prepared in various in vivo dissolution protocols.
- Anthraquinone glycoside
- Isolated from rhubarb
- Exhibits purgative activity
- Purity of 99.81%
- Appearance as a light yellow to yellow solid
- Molecular formula C21H18O11
- Molecular weight 446.36
Medchemexpress LLC 4-Nitrophenyl-N-acetyl-β-D-glucosaminide | 3459-18-5 | MFCD00063696 | 100.0% | 342.30 | 250 MG
4-Nitrophenyl-N-acetyl-β-D-glucosaminide is an artificial substrate of N-acetyl-beta-D-hexosaminidase (NAGase), used in rapid and accurate rate assays for N-acetyl-beta-D-hexosaminidase. It is highly soluble and stable, and can be used for the study of renal tubular injury.
- Artificial substrate of N-acetyl-beta-D-hexosaminidase (NAGase)
- Used in rapid and accurate rate assays for N-acetyl-beta-D-hexosaminidase
- Highly soluble and stable
- Can be used for the study of renal tubular injury
Medchemexpress LLC Methyl B-D-glucopyra 10g | 709-50-2 | 194.18 | C7H14O6 | 10 G
Methyl β-D-glucopyranoside is a methylated glucose derivative supplied as a white solid research reagent. It is used as a glycosyl donor and analytical standard in carbohydrate chemistry, enzymatic glycosylation, and biocatalysis studies.
- High purity (99.91%) suitable for research applications.
- Molecular weight 194.18 g/mol.
- Chemical formula C7H14O6.
- White solid, easy to weigh and dissolve in common solvents.
- Stable when stored sealed at 4°C; follow the SDS for handling and storage.
Medchemexpress LLC Beta-glucuronidase | 9001-45-0 | MFCD00199013 | >95.0% | 25UG
Recombinant beta-glucuronidase (GUSB) produced in Escherichia coli and supplied as an N-terminal 6xHis-tagged soluble enzyme. The preparation is provided as a filtered, stabilized solution suitable for biochemical assays and substrate hydrolysis studies using PNPG and 4-methylumbelliferyl-glucuronide.
- Purity greater than 95% as determined by reducing SDS-PAGE.
- Molecular weight 69-78 kDa (full-length, M1-Q603).
- Active with PNPG and 4-methylumbelliferyl-glucuronide substrates.
- Expressed in Escherichia coli and supplied as a soluble protein.
- N-terminal 6xHis tag for detection and affinity purification.
- Formulated as a 0.2 μm filtered solution with buffers and stabilizers (trehalose, mannitol, Tween-80).
- Available in small research quantities (for example, 25 μg).
Medchemexpress LLC NRG1-beta 1 Human 20ug
NRG1-beta 1 Protein Human (HEK293) is the recombinant human-derived NRG1-beta 1 protein expressed by HEK293 with tag free
Medchemexpress LLC Myricetin 3-O-galactoside | 15648-86-9 | 1 MG
Myricetin 3-O-galactoside is a compound that inhibits xanthine oxidase (XO) activity. It also inhibits lipid peroxidation with an IC50 of 160 μg/mL and scavenges free radicals, demonstrating antioxidant activity. This product is intended for research use only.
- Xanthine oxidase inhibitor, lipid peroxidation inhibitor, and free radical scavenger
- Exhibits antioxidant properties
- Classified as a flavonoid, flavonol, phenol, and polyphenol
- Derived from plants, specifically Ericaceae Rhododendron dauricum Linn.
- Purity of 99.27%
- Soluble in DMSO at 50 mg/mL
- Recommended storage at -20°C, protected from light
- Used in research related to metabolic disease and xanthine oxidase
Medchemexpress LLC TMSB4X/Thymosin beta 5ug
Recombinant human Thymosin beta 4 (TMSB4X) is a small, His-tagged protein expressed in E. coli and supplied as a lyophilized powder for research applications. The protein binds G-actin to regulate actin dynamics and is commonly used in studies of cytoskeletal organization, cell migration, proliferation, and differentiation. Formulation and storage guidance are provided for optimal activity and low endotoxin performance.
- Acts as an actin-binding regulator affecting cytoskeletal organization.
- Supplied as a lyophilized, His-tagged recombinant human protein.
- Expressed in E. coli with sequence matching the human peptide.
- Low endotoxin level (<1 EU/μg) suitable for sensitive assays.
- Lyophilized from Tris-HCl/NaCl buffer; reconstitute at ≥100 μg/mL and add carrier for long-term storage.
- Stable at -20°C; aliquot and avoid repeated freeze-thaw cycles.