Imidazopyrimidines
Medchemexpress LLC 1-Methylxanthine | 6136-37-4 | 166.14 | 1 ML
1-Methylxanthine is a caffeine derivative that serves as an essential human urinary metabolite of caffeine and theophylline. It enhances the radiosensitivity of tumor cells and is intended for research and analytical applications.
- Caffeine derivative and human urinary metabolite
- Enhances radiosensitivity of tumor cells
- Molecular formula: C6H6N4O2
- Molecular weight: 166.14
- Purity: 98.1% (HPLC)
- Stable for years as powder, months in solvent
Medchemexpress LLC Theophylline impurity 9 | 42772-85-0 | >98.0% | 216.26 g/mol | C9H12O4S | 250 MG
Theophylline impurity 9 is a characterized impurity of theophylline intended for use in analytical and research applications as a reference or standard. It is provided in small-scale quantities for method development, impurity profiling, and related laboratory work.
- Used as a reference standard for impurity profiling and analytical testing.
- Suitable for analytical method development and validation.
- Available in multiple pack sizes to suit experimental needs.
- Characterized by molecular formula C9H12O4S and molecular weight 216.26 g/mol.
- Supplied with a manufacturer datasheet that provides structural and handling information.
Medchemexpress LLC Xanthine | 69-89-6 | MFCD00078453 | 100.0% | 152.11 g/mol | C5H4N4O2 | 50 G
Xanthine is a purine base and endogenous metabolite used as a biochemical reagent and reference in research. It participates in purine catabolism and is applied in enzymology, metabolic studies, and analytical assays. The compound is typically supplied as a dry powder that requires appropriate storage and handling per supplier guidance.
- Purine base and endogenous metabolite used in biochemical research.
- Suitable for enzymatic assays and metabolic pathway studies.
- Soluble in alkaline aqueous solutions and moderately soluble in water with heating.
- Stable as a powder when stored refrigerated or frozen following datasheet recommendations.
- Offered in multiple package sizes to support small-scale and preparative use.
Selleck Chemical LLC Theophylline-7-acetic acid S3988-25mg
Theophylline-7-acetic acid (Acefylline acetyloxytheophylline Carboxymethyltheophylline) acting as an adenosine receptor antagonist is a stimulant drug of the xanthine chemical class
Cambridge Isotope Laboratories THEOPHYLLINE (DIMETHYL-13C2, 99%), 0.1 G
THEOPHYLLINE (DIMETHYL-13C2, 99%), 0.1 G
Medchemexpress LLC 3-Methylxanthine | 1076-22-8 | 99.5% | C6H6N4O2 | 25 MG
3-Methylxanthine is a xanthine derivative and an endogenous metabolite, primarily known as a cyclic guanosine monophosphate (GMP) inhibitor. It is intended for research use only.
- Acts as a cyclic GMP inhibitor
- IC50 of 920 μM on guinea-pig isolated trachealis muscle
- Classified as an endogenous metabolite
- Solid appearance, white to khaki in color
- Molecular structure consistent with NMR and LCMS analysis
Indofine Chemical 1,3-DICAPRIN, Lipid Research, 17598-93-5, 0.99, 50 mg
1,3-DICAPRIN, Lipid Research, 17598-93-5, 0.99, 50 mg
Chemscene ChemScene | 8-Bromo-3-methyl-1H-purine-2,6(3H,7H)-dione | 5G | CS-W019625 | 0.98 | 93703-24-3| MFCD00462528 | 245.03
ChemScene | 8-Bromo-3-methyl-1H-purine-2,6(3H,7H)-dione | 5G | CS-W019625 | 0.98 | 93703-24-3| MFCD00462528 | 245.03
Apexbio Technology LLC Theophylline-7-acetic-acid
Theophylline-7-acetic acid (CAS No 652-37-9) is a compound commonly studied in pharmacological and biochemical research Originating from the xanthine class of alkaloids it is known to influence adenosine receptor pathways and phosphodiesterase activity This compound has shown efficacy in modulating inflammatory responses and bronchodilation particularly through its action on signal transduction pathways involving cyclic adenosine monophosphate (cAMP) Its in vitro activity is often observed in the nanomolar to low micromolar range proving useful in cellular assays Typical applications include testing in cell models such as human airway epithelial cells and various animal studies for respiratory diseases Furthermore it is useful in drug screening to evaluate potential therapeutic effects on respiratory conditions Experimental concentrations typically depend on the specific research design allowing adaptability for diverse experimental frameworks