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    Natural Products
    CAS No. 1076-22-8 Price $30 / 20mg
    Catalog No.CFN95087Purity>=98%
    Molecular Weight166.1Type of CompoundAlkaloids
    FormulaC6H6N4O2Physical DescriptionPowder
    Download     COA    MSDSSimilar structuralComparison (Web)
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    According to end customer requirements, ChemFaces provide solvent format. This solvent format of product intended use: Signaling Inhibitors, Biological activities or Pharmacological activities.
    Size /Price /Stock 10 mM * 1 mL in DMSO / $7.0 / In-stock
    Other Packaging *Packaging according to customer requirements(100uL/well, 200uL/well and more), and Container use Storage Tube With Screw Cap
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    Size /Price /Stock 10 mM * 100 uL in DMSO / Inquiry / In-stock
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    Related Libraries
  • Alkaloids Compound Library
  • Biological Activity
    Description: 3-Methylxanthine inhibited xanthine crystallization, it could protect patients with xanthinuria from the development of renal xanthine calculi.
    In vitro:
    PLoS One. 2018 Aug 29;13(8):e0198881.
    Xanthine urolithiasis: Inhibitors of xanthine crystallization.[Pubmed: 30157195 ]
    To identify in vitro inhibitors of xanthine crystallization that have potential for inhibiting the formation of xanthine crystals in urine and preventing the development of the renal calculi in patients with xanthinuria.
    The formation of xanthine crystals in synthetic urine and the effects of 10 potential crystallization inhibitors were assessed using a kinetic turbidimetric system with a photometer. The maximum concentration tested for each compound was: 20 mg/L for 3-Methylxanthine (3-MX); 40 mg/L for 7-methylxanthine (7-MX), 1-methylxanthine (1-MX), theobromine (TB), theophylline, paraxanthine, and caffeine; 45 mg/L for 1-methyluric acid; 80 mg/L for 1,3-dimethyluric acid; and 200 mg/L for hypoxanthine. Scanning electron microscopy was used to examine the morphology of the crystals formed when inhibitory effects were observed. Only 7-MX, 3-MX, and 1-MX significantly inhibited xanthine crystallization at the tested concentrations. Mixtures of inhibitors had an additive effect rather than a synergistic effect on crystallization.
    Two of the inhibitors identified here-7-MX and 3-MX-are major metabolites of TB. In particular, after TB consumption, 20% is excreted in the urine as TB, 21.5% as 3-MX, and 36% as 7-MX. Thus, consumption of theobromine could protect patients with xanthinuria from the development of renal xanthine calculi. Clinical trials are necessary to demonstrate these effects in vivo.
    3-Methylxanthine Description
    Source: The fruits of Theobroma cacao L.
    Solvent: DMSO, Pyridine, etc.
    Storage: Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C).

    Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

    Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com

    After receiving: The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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    Recently, ChemFaces products have been cited in many studies from excellent and top scientific journals

    Cell. 2018 Jan 11;172(1-2):249-261.e12.
    doi: 10.1016/j.cell.2017.12.019.

    PMID: 29328914

    Cell Metab. 2020 Mar 3;31(3):534-548.e5.
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    Calculate Dilution Ratios(Only for Reference)
    1 mg 5 mg 10 mg 20 mg 25 mg
    1 mM 6.0205 mL 30.1023 mL 60.2047 mL 120.4094 mL 150.5117 mL
    5 mM 1.2041 mL 6.0205 mL 12.0409 mL 24.0819 mL 30.1023 mL
    10 mM 0.602 mL 3.0102 mL 6.0205 mL 12.0409 mL 15.0512 mL
    50 mM 0.1204 mL 0.602 mL 1.2041 mL 2.4082 mL 3.0102 mL
    100 mM 0.0602 mL 0.301 mL 0.602 mL 1.2041 mL 1.5051 mL
    * Note: If you are in the process of experiment, it's need to make the dilution ratios of the samples. The dilution data of the sheet for your reference. Normally, it's can get a better solubility within lower of Concentrations.
    Structure Identification:
    Microb Cell Fact. 2015 Dec 21;14:203.
    Direct conversion of theophylline to 3-methylxanthine by metabolically engineered E. coli.[Pubmed: 26691652 ]
    Methylxanthines are natural and synthetic compounds found in many foods, drinks, pharmaceuticals, and cosmetics. Aside from caffeine, production of many methylxanthines is currently performed by chemical synthesis. This process utilizes many chemicals, multiple reactions, and different reaction conditions, making it complicated, environmentally dissatisfactory, and expensive, especially for monomethylxanthines and paraxanthine. A microbial platform could provide an economical, environmentally friendly approach to produce these chemicals in large quantities. The recently discovered genes in our laboratory from Pseudomonas putida, ndmA, ndmB, and ndmD, provide an excellent starting point for precisely engineering Escherichia coli with various gene combinations to produce specific high-value paraxanthine and 1-, 3-, and 7-methylxanthines from any of the economical feedstocks including caffeine, theobromine or theophylline. Here, we show the first example of direct conversion of theophylline to 3-Methylxanthine by a metabolically engineered strain of E. coli.
    Here we report the construction of E. coli strains with ndmA and ndmD, capable of producing 3-Methylxanthine from exogenously fed theophylline. The strains were engineered with various dosages of the ndmA and ndmD genes, screened, and the best strain was selected for large-scale conversion of theophylline to 3-Methylxanthine. Strain pDdA grown in super broth was the most efficient strain; 15 mg/mL cells produced 135 mg/L (0.81 mM) 3-Methylxanthine from 1 mM theophylline. An additional 21.6 mg/L (0.13 mM) 1-methylxanthine were also produced, attributed to slight activity of NdmA at the N 3 -position of theophylline. The 1- and 3-Methylxanthine products were separated by preparative chromatography with less than 5% loss during purification and were identical to commercially available standards. Purity of the isolated 3-Methylxanthine was comparable to a commercially available standard, with no contaminant peaks as observed by liquid chromatography-mass spectrophotometry or nuclear magnetic resonance.
    We were able to biologically produce and separate 100 mg of highly pure 3-Methylxanthine from theophylline (1,3-dimethylxanthine). The N-demethylation reaction was catalyzed by E. coli engineered with N-demethylase genes, ndmA and ndmD. This microbial conversion represents a first step to develop a new biological platform for the production of methylxanthines from economical feedstocks such as caffeine, theobromine, and theophylline.