Imidazopyrimidines
eMolecules 69-22-7 | Caffeine citrate | MFCD00044986 | 5g
Combi-Blocks, Inc. | Caffeine citrate | 5g | 603134460 | HA-7659 | 95.000 | 69-22-7 | MFCD00044986 | 386.317 | C14H18N4O9
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Medchemexpress LLC 8-chloro caffeine | 4921-49-7 | MFCD00047246 | 99.4% | 228.64 g/mol | C8H9ClN4O2 | 25 MG
8-Chloro caffeine is a chlorinated analog of caffeine used as a research tool to probe adenosine receptor activity. It is supplied as a solid powder for laboratory use, with reported adenosine receptor binding (Ki ≈ 30 μM), high purity, and a molecular weight of 228.64 g/mol. Typical uses include receptor screening and biochemical assays.
- Adenosine receptor binder (Ki ≈ 30 μM).
- High purity suitable for research applications (≈99.4%).
- Molecular formula C8H9ClN4O2; molecular weight 228.64 g/mol.
- Solid powder format for convenient storage and handling.
- Small pack sizes ideal for screening and assay development.
Sigma Aldrich Fine Chemicals Biosciences Allopurinol xanthine oxidase inhibitor | 315-30-0 | MFCD00599413 | 25G
Allopurinol xanthine oxidase inhibitor | Purity: >=99% (TLC) | Mol Wt: 136.11 | 315-30-0 | MFCD00599413 | 25G
Sigma Aldrich Fine Chemicals Biosciences 3-Isobutyl-1-methylxanthine 99 (HPLC), powder, 28822-58-4, MFCD00005584
3-Isobutyl-1-methylxanthine 99 (HPLC), powder
eMolecules 58-08-2 | Caffeine | Chem-Impex | MFCD00005758 | 194.194 | C8H10N4O2 | 99.000 | Cn1cnc2n(C)c(=O)n(C)c(=O)c12 | 100g | 490848233
Caffeine | Chem-Impex | 58-08-2 | MFCD00005758 | 194.194 | C8H10N4O2 | 99.000 | Cn1cnc2n(C)c(=O)n(C)c(=O)c12 | 100g | 490848233
TARGETMOL CHEMICALS INC XANTHINE AMINE CONGENER 5MG
Also available in 1 mg 10 mg 25 mg 50 mg 100 mg and bulk. Please contact Fisher for quotes. Xanthine amine congener trihydrochloride is a potent adenosine antagonist that reverses the reduction in urine flow sodium excretion and heart rate produced by the adenosine agonist N6-cyclohexyladenosine. purity: 97%
Medchemexpress LLC 2-hydroxyethyl 4-methylbenzenesulfonate | 42772-85-0 | 216.26 | C9H12O4S | 500 MG
Theophylline impurity 9 (2-hydroxyethyl 4-methylbenzenesulfonate) is an analytical reference standard used for identification and quantification of a theophylline-related impurity in research and quality-control workflows.
- Analytical reference standard for theophylline impurity identification.
- Cas 42772-85-0.
- Molecular formula C9H12O4S; molecular weight 216.26 g/mol.
- Available pack sizes include 100 mg, 250 mg, 500 mg, and 1 g; larger sizes by inquiry.
- Storage: pure form -20°C (3 years) or 4°C (2 years); in solvent -80°C (6 months) or -20°C (1 month).
- Batch-specific purity and analytical data provided in the certificate of analysis.
Medchemexpress LLC 3-Methylxanthine | 1076-22-8 | MFCD00005580 | 99.5% | C6H6N4O2 | 50 G
3-Methylxanthine is a xanthine derivative that acts as a cyclic guanosine monophosphate (GMP) inhibitor, exhibiting an IC50 of 920 μM on guinea-pig isolated trachealis muscle. It is classified as an endogenous metabolite.
- Xanthine derivative
- Cyclic guanosine monophosphate (GMP) inhibitor
- Exhibits an IC50 of 920 μM on guinea-pig isolated trachealis muscle
- Endogenous metabolite
- Used for research purposes only
Medchemexpress LLC Theophylline (Standard) | 58-55-9 | 99.99% | 100 MG
Theophylline (Standard) is the analytical standard of Theophylline, intended for research and analytical applications. It functions as a potent phosphodiesterase (PDE) inhibitor, adenosine receptor antagonist, and histone deacetylase (HDAC) activator. It can be used for asthma and chronic obstructive pulmonary disease (COPD) research.
- Inhibits PDE3 activity to relax airway smooth muscle
- Possesses anti-inflammatory activity by increasing IL-10 and inhibiting NF-κB into the nucleus
- Induces apoptosis
- Commonly used in qualitative, quantitative, and methodological research experiments in HPLC, GC, and MS
Sigma Aldrich Fine Chemicals Biosciences Xanthine Oxidase microbial
Allopurinol is a synthetic drug show to inhibit xanthine oxidase.
Medchemexpress LLC HY-W017163 50mg Medchemexpress, 7-Methylxanthine CAS:552-62-5 Purity:>98%
Medchemexpress, HY-W017163 50mg 7-Methylxanthine CAS:552-62-5 7-Methylxanthine, a methyl derivative of xanthine, is one of the purine components in urinary calculi. Purity:>98% Medchemexpress has over 10000 novel life-science reagents, reference compounds, APIs and natural compounds for laboratory and scientific use. Other quantity can also be offered.
eMolecules 901374-95-6 | Cyclopentyl-(1-methyl-piperidin-4-yl)-amine | J & W PharmLab LLC | MFCD03640280 | 182.311 | C11H22N2 | 96.000 | CN1CCC(CC1)NC1CCCC1 | 5g | 289353664
Cyclopentyl-(1-methyl-piperidin-4-yl)-amine | J & W PharmLab LLC | 901374-95-6 | MFCD03640280 | 182.311 | C11H22N2 | 96.000 | CN1CCC(CC1)NC1CCCC1 | 5g | 289353664
Medchemexpress LLC 7-methylxanthine | 552-62-5 | MFCD00037979 | >=98.0% | 166.14 g/mol | C6H6N4O2 | 1 ML
7-methylxanthine is a methylated xanthine derivative used in biochemical and pharmacological research as an adenosine receptor antagonist and endogenous metabolite. Supplied for research and analytical applications, it has formula C6H6N4O2 and a molecular weight of 166.14 g/mol. Purity is commonly reported as >=98.0% (HPLC); consult the certificate of analysis for batch-specific purity.
- Adenosine receptor antagonist and endogenous metabolite for receptor and metabolism studies.
- Chemical identity: CAS 552-62-5, formula C6H6N4O2, molecular weight 166.14 g/mol.
- Available as solid formats and can be prepared or provided as a 10 mM solution in DMSO.
- Typical purity reported as >=98.0% (HPLC); verify with certificate of analysis.
- Intended for research and analytical applications; not for human or clinical use.
Medchemexpress LLC Xanthosine 5'-monophosphate sodium salt | 25899-70-1 | 99.6% | 408.17 | 100 MG
Xanthosine 5'-monophosphate sodium salt is an intermediate in purine metabolism. It is a solid, white to light yellow in color, and soluble in H2O (100 mg/mL, 245.00 mM; requires ultrasonic).
- Can be used for genetic code, nucleic acid structure, and DNA, RNA and protein synthesis research.
- Potential use in foods as a flavoring agent.
- Chemical intermediate for the production of purine antimetabolites.
- Valuable in the production of synthetic polynucleotides for studies on the genetic code, protein synthesis, and nucleic acid structure.
TARGETMOL CHEMICALS INC XANTHINE OXIDOREDUCTASE- 5MG
Also available in 1 mg 10 mg 25 mg 50 mg 100 mg 500 mg and bulk. Please contact Fisher for quotes. Xanthine oxidoreductase-IN-4 is an orally active xanthine oxidoreductase (XOR) inhibitor that inhibits XOR with an IC50 value of 29.3 nM.Xanthine oxidoreductase-IN-4 can be used to study hyperuricemia. purity: 98%