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Nucleosides and Analogues

Nitrogenous bases covalently linked to a sugar with and without phosphate groups; used for synthesis, cell signaling, and as cofactors in enzymatic reactions; includes pyrimidine, purine, pyridine, flavin, pyrrolopyrimidine, and triazole varieties.
Pyridine nucleotides (1)
Pyrimidine nucleotides (2)

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1

Medchemexpress LLC Uridine 5'-monophosphate | 58-97-9 | MFCD00067346 | 100.0% | 324.18 g/mol | C9H13N2O9P | 1 ML
SDP

Uridine 5'-monophosphate is a ribonucleotide used as a biochemical reagent, analytical reference, and building block in RNA-related assays and metabolic studies. It is supplied as a solid or as ready-to-use solutions for laboratory workflows and quality-control applications.

  • Ribonucleotide reagent for biochemical and cell-culture assays.
  • CAS 58-97-9; molecular formula C9H13N2O9P; molecular weight 324.18 g/mol.
  • Available as powder or prepared solutions (examples: 10 mM solution, 1 mL ampoules).
  • High purity reported (typically ≈99.8-99.98% in supplier documentation).
  • Soluble in water and DMSO; powder storage -20 °C, solutions typically -80 °C for long-term storage.

ENCOMPASS_PREFERRED
2

Medchemexpress LLC β-nicotinamide mononucleotide, reduced form disodium | 108347-85-9 | 99.6% | 380.20 g/mol | C11H15N2Na2O8P | 5 MG
SDP

β-Nicotinamide mononucleotide, reduced form disodium (NMNH) is the reduced disodium salt of nicotinamide mononucleotide supplied for research use in studies of NAD+ metabolism. It is provided as a powder with available analytical data for identity and purity and recommended cold, light-protected storage.

  • Chemical formula: C11H15N2Na2O8P.
  • Molecular weight: 380.20 g/mol.
  • CAS number: 108347-85-9.
  • Purity: 99.6% by HPLC.
  • Recommended storage: protect from light, store under nitrogen at -20°C; in solution store at -80°C for long term.
  • Analytical data available: COA, H NMR, C NMR, RP-HPLC, MS.
  • Typical pack sizes: 1 mg, 5 mg, 10 mg.

ENCOMPASS_PREFERRED
3

Medchemexpress LLC Uridine-1',2',3',4',5'-13C5 | 159496-16-9 | 99.9% | 249.16 g/mol | C4(13C)5H12N2O6 | 10 MG
SDP

Uridine-13C5 is a stable isotope-labeled form of the nucleoside uridine with five 13C-enriched carbon atoms. It is supplied as a research-grade solid intended for use as an internal standard or tracer in metabolic labeling and mass spectrometry applications.

  • Purity 99.9%.
  • Physical form off-white to light brown solid.
  • Storage: powder -20°C (up to 3 years) or 4°C (up to 2 years); in solvent -80°C (6 months) or -20°C (1 month).
  • Intended for use as an internal standard or tracer in metabolic and mass spectrometry studies.
  • Available in small packaging sizes, including 10 mg.
  • CAS number 159496-16-9; molecular weight 249.16 g/mol.

ENCOMPASS_PREFERRED