Imidazopyrimidines

Sigma Aldrich Fine Chemicals Biosciences 3-Isobutyl-1-methylxanthine | 28822-58-4 | MFCD00005584 | 5g

3-Isobutyl-1-methylxanthine | Purity: 0.99 | MW: 222.24 | 28822-58-4 | MFCD00005584 | 5g

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GRAINGER INC 6-MERCAPTOPURINE 5G

502781322 6-MERCAPTOPURINE 5G

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eMolecules​ Chem-Impex Caffeine anhydrous 5kg 228708867 01972 0 000 58-08-2 MFCD00005758 194 194 C8H10N4O2

Chem-Impex Caffeine anhydrous 5kg 228708867 01972 0 000 58-08-2 MFCD00005758 194 194 C8H10N4O2

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Medchemexpress LLC 6-Mercaptopurine hydrate | 6112-76-1 | 99.9% | 170.19 | 1 ML

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6-Mercaptopurine hydrate is a purine analogue that acts as an antagonist of endogenous purines. It has been widely used as an antileukemic and immunosuppressive agent. This product is for research use only.

• Purine analogue
• Acts as an antagonist of endogenous purines
• Used as an antileukemic agent
• Used as an immunosuppressive agent

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Sigma Aldrich Fine Chemicals Biosciences Adenine Hemisulfate Salt | 321-30-2 | MFCD00213655 | 25g

Adenine Hemisulfate Salt | Purity: 99% | Mol Wt: 184.17 | 321-30-2 | MFCD00213655 | 25g

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Medchemexpress LLC 3-Methylxanthine | 1076-22-8 | 99.5% | C6H6N4O2 | 25 MG

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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

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Sigma Aldrich Fine Chemicals Biosciences Xanthine Oxidase from bovi

Xanthine Oxidase (XOD) is a metal flavoprotein. It has flavin adenine dinucleotide (fAD) molybdenum and iron in the ratio 228. This homodimer has a molecule weight of 290kDa. It is a member of the molybdenum-protein family. This enzyme consists of two separated substrate-binding sites.

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Sigma Aldrich Fine Chemicals Biosciences SIGMA ALDRICH FINE CHEMICALS BIOSCIENCES

NC3898753 XANTHINE SODIUM SALT 5G

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SIGMA ALDRICH FINE CHEMICALS BIOSCIENCES HYPOXANTHINE MONOSODIUM 100G

NC3654269 HYPOXANTHINE MONOSODIUM 100G

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eMolecules​ ChemScene / 4-((23-Dihydroxypropyl)thio)butanoic acid / 100mg / 712787328 / CS-0227129 / 0.000 / 1532897-60-1 / MFCD23743665 / 194.250 / C7H14O4S

ChemScene / 4-((23-Dihydroxypropyl)thio)butanoic acid / 100mg / 712787328 / CS-0227129 / 0.000 / 1532897-60-1 / MFCD23743665 / 194.250 / C7H14O4S

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Medchemexpress LLC Xanthine | 69-89-6 | MFCD00078453 | 99.1% | 152.11 g/mol | C5H4N4O2 | 250 MG

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Xanthine (Standard) is an analytical reference standard of xanthine (CAS 69-89-6) intended for research and analytical applications. Xanthine is a plant alkaloid and an intermediate in purine degradation. This high-purity solid is provided for use in method development, calibration, and quality control of analytical assays.

• High purity (99.09%).
• Molecular formula C5H4N4O2.
• Molecular weight 152.11 g/mol.
• Provided as a stable solid suitable for analytical work.
• Suitable for calibration, method development, and quality control.
• Available in 250 mg pack size.

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Medchemexpress LLC Xanthine | 69-89-6 | MFCD00078453 | 100.0% | 152.11 g/mol | C5H4N4O2 | 50 G

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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.

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eMolecules​ 2,3,6,7,8,9-Hexahydro-1H-purine-2,6,8-trione | Combi-Blocks | 69-93-2 | MFCD00005712 | 168.112 | C5H4N4O3 | 98.000 | O=c1[nH]c2[nH]c(=O)[nH]c(=O)c2[nH]1 | 25g | 290701256

2,3,6,7,8,9-Hexahydro-1H-purine-2,6,8-trione | Combi-Blocks | 69-93-2 | MFCD00005712 | 168.112 | C5H4N4O3 | 98.000 | O=c1[nH]c2[nH]c(=O)[nH]c(=O)c2[nH]1 | 25g | 290701256

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Enzo Life Sciences Caffeine (5g). CAS: 58-08-2

CNS stimulant. Blocks adenosine A1 and A2A receptors. cAMP phosphodiesterase inhibitor. Interferes with the uptake and storage of Ca2+ by the sarcoplasmic reticulum in skeletal muscle. Prevents apoptosis and cell cycle effects induced by various chemicals. Inhibits cellular DNA repair mechanisms. Anti-inflammatory. Alternative name: 1,3,7-Trimethylxanthine, 3,7-Dihydro-1,3,7-trimethyl-1H-purine-2,6-dione. Purity: ≥99% (HPLC). Appearance: White to colorless powder. Solubility: Soluble in chloroform, 100% alcohol or hot water. Long Term Storage: Ambient.

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Chem-Impex International, Inc. Adenine | 73-24-5 | MFCD00041790 | 100G

Adenine, 73-24-5, MFCD00041790, 100G

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