Glycosyl compounds
Medchemexpress LLC Beta-lactamase CTX-M 50ug
Recombinant Beta-lactamase CTX-M-1 (His tag) is a purified, E. coli-expressed enzyme that hydrolyzes penicillins and cephalosporins and is supplied as a small-scale research reagent for biochemical assays and inhibitor testing.
- Recombinant CTX-M-1 enzyme with N-terminal His tag.
- Expressed in Escherichia coli for consistent production.
- Supplied as a 50 μg purified preparation with >90% purity.
- Suitable for enzymatic assays and inhibitor screening.
- Supports studies of extended-spectrum β-lactamase activity and resistance mechanisms.
Medchemexpress LLC 2-O-(alpha-D-glucopyranosyl)glycerol | 22160-26-5 | MFCD19980985 | 99.8% | 254.23 g/mol | C9H18O8 | 500 MG
2-O-(α-D-Glucopyranosyl)glycerol (glucosylglycerol) is a glycerol glycoside used as a biochemical research reagent. It acts as an osmolyte and bacterial metabolite and is commonly applied in studies of osmotic stress, microbial metabolism, and glycoside chemistry.
- Functions as an osmolyte and bacterial metabolite.
- Suitable for biochemical and microbiological research applications.
- Water-soluble glycoside compatible with solution-based assays.
- Commonly supplied as an aqueous solution for convenience in handling.
- Well-characterized identifiers: CAS 22160-26-5; molecular weight 254.23 g/mol.
Medchemexpress LLC Cotinine N-β-D-glucuronide | 139427-57-9 | 96.6% | 352.34 | C16H20N2O7 | 1 MG
Cotinine N-β-D-glucuronide is the glucuronide conjugate of cotinine supplied as an analytical reference standard for metabolite and biomarker research related to nicotine exposure. The material is provided as a white to off-white solid with documented HPLC purity and elemental analysis suitable for analytical workflows.
- Analytical reference standard for cotinine metabolite studies
- HPLC purity 96.6%
- White to off-white solid with documented appearance
- CAS number 139427-57-9; formula C16H20N2O7; MW 352.34
- Storage: sealed, away from moisture; in solvent: -80°C (up to 6 months), -20°C (up to 1 month)
- COA includes HPLC and elemental analysis data for quality verification
Medchemexpress LLC o-Nitrophenyl β-D-galactopyranoside-6-phosphate cyclohexylammonium | 25405-62-3 | MFCD00083446 | 98.0% | 480.4 | C18H29N2O11P | 5 MG
o-Nitrophenyl β-D-galactopyranoside-6-phosphate cyclohexylammonium is a chromogenic substrate used to detect and quantify β-galactosidase activity. Upon enzymatic hydrolysis it releases a nitrophenyl chromophore that produces a measurable color change suitable for rapid colorimetric or spectrophotometric assays in biochemical and enzymology applications.
- Chromogenic substrate for β-galactosidase detection.
- Suitable for colorimetric and spectrophotometric assays.
- Enables rapid, quantitative measurement of enzyme activity.
- Water-soluble cyclohexylammonium salt for assay compatibility.
- Supplied in small research-scale quantities for assay development.
Sigma Aldrich Fine Chemicals Biosciences Sucrose >=99.5% (GC) | 57-50-1 | MFCD00006626 | 10MG
Sucrose >=99.5% (GC) | Purity: >=99.5% (GC) | Mol Wt: 342.3 | 57-50-1 | MFCD00006626 | 10MG
Sigma Aldrich Fine Chemicals Biosciences Sucrose anhydrous, free-flowing, Redi-Dri(TM), ACS reagent | 57-50-1 | MFCD00006626 | 2.5KG
Sucrose anhydrous, free-flowing, Redi-Dri(TM), ACS reagent | Mol Wt: 342.3 | 57-50-1 | MFCD00006626 | 2.5KG
eMolecules Key Organics/BIONET - Building Blocks 4-Nitrophenyl chloroformate 1mg 344513580 STR07035 95 000 7693-46-1 MFCD00007321 201 560 C7H4ClNO4
Key Organics/BIONET - Building Blocks 4-Nitrophenyl chloroformate 1mg 344513580 STR07035 95 000 7693-46-1 MFCD00007321 201 560 C7H4ClNO4
Sigma Aldrich Fine Chemicals Biosciences Sucrose anhydrous, free-flowing, Redi-Dri(TM), ACS reagent | 57-50-1 | MFCD00006626 | 1KG
Sucrose anhydrous, free-flowing, Redi-Dri(TM), ACS reagent | Mol Wt: 342.3 | 57-50-1 | MFCD00006626 | 1KG
Sigma Aldrich Fine Chemicals Biosciences 5-Bromo-4-chloro-3-indolyl alpha-D-N-acetylneuraminic acid sodium salt >=90% | 160369-85-7 | MFCD01310489 | 10MG
5-Bromo-4-chloro-3-indolyl alpha-D-N-acetylneuraminic acid sodium salt >=90% | Purity: >=90% | Mol Wt: 559.72 | 160369-85-7 | MFCD01310489 | 10MG
Sigma Aldrich Fine Chemicals Biosciences Sucrose Grade II, suitable for plant cell culture | 57-50-1 | MFCD00006626 | 25KG
Sucrose Grade II, suitable for plant cell culture | Purity: >=99.5% (GC) | Mol Wt: 342.3 | 57-50-1 | MFCD00006626 | 25KG
Sigma Aldrich Fine Chemicals Biosciences Sucrose suitable for microbiology, ACS reagent, >=99.0% | 57-50-1 | MFCD00006626 | 1KG
Sucrose suitable for microbiology, ACS reagent, >=99.0% | Purity: >=99.0% (HPLC); >=99.0% | Mol Wt: 342.3 | 57-50-1 | MFCD00006626 | 1KG