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Imidazopyrimidines

Organic heterocyclic compounds that contain an imidazole ring fused to a pyrimidine ring. Imidazole is five-membered ring with three carbon atoms and two nitrogen atoms; pyrimidine is a six-membered ring with four carbon atoms and two nitrogen atoms.

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1

Medchemexpress LLC 7-methylxanthine-d3 | 1185878-99-2 | 99.3% | 169.16 | C6H3D3N4O2 | 1 MG
SDP

7-Methylxanthine-d3 is a deuterium-labeled isotopic standard of 7-methylxanthine supplied as a high-purity solid for research use. The d3 label provides a predictable mass shift that enables clear differentiation from the unlabeled analyte in mass spectrometry and tracer experiments. Molecular formula: C6H3D3N4O2; molecular weight: 169.16; CAS: 1185878-99-2.

  • High purity 99.31% for analytical reliability.
  • Deuterium-labeled (d3) for mass-shifted internal standard use.
  • Suitable for LC-MS/MS quantitation and tracer studies.
  • Available in small package sizes (1 mg, 5 mg, 10 mg) for method development.
  • Intended for research use only.

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2

Medchemexpress LLC Adenine-15N5 hydrochloride | 2095709-78-5 | 97.0% | 176.55 g/mol | C5H6Cl[15N]5 | 1mg
SDP

Adenine-15N5 hydrochloride (6-Aminopurine-15N5 hydrochloride) is the 15N labeled isotope of Adenine-15N5 hydrochloride (6-Aminopurine-15N5 hydrochloride Vitamin B4-15N5 hydrochloride)[1]

ENCOMPASS_PREFERRED
3

Medchemexpress LLC Adenine-15N5 hydrochloride | 2095709-78-5 | 99.8% | 176.55 g/mol | C5H5(15N)5·HCl | 5mg
SDP

Adenine-15N5 hydrochloride (6-Aminopurine-15N5 hydrochloride) is the 15N labeled isotope of Adenine-15N5 hydrochloride (6-Aminopurine-15N5 hydrochloride Vitamin B4-15N5 hydrochloride)[1]

ENCOMPASS_PREFERRED
4

Medchemexpress LLC Adenine-13C5,15N5 | 95% | 1 MG
SDP

Adenine-13C5,15N5 is a 13C-labeled adenine, also known as 6-Aminopurine-13C5,15N5 or Vitamin B4-13C5,15N5. As a purine and one of the four nucleobases in DNA, it is a crucial chemical component of both DNA and RNA. It plays a significant role in biochemistry, particularly in cellular respiration, the formation of ATP and cofactors (NAD and FAD), and protein synthesis.

  • Isotope-labeled compound for tracing in drug development.
  • Essential component of DNA and RNA.
  • Involved in cellular respiration and protein synthesis.
  • Suitable for research in cancer.
  • Purity (HPLC): 95%.
  • Isotopic enrichment: >98%.
  • Appearance: White to off-white solid.

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5

Medchemexpress LLC Adenine-15N5 | 73-24-5 | 95.0% | 5 MG
SDP

This product is a 15N labeled nucleobase, which is one of the four essential components of DNA and RNA. It plays a crucial role in biochemistry, including cellular respiration, the formation of ATP and cofactors (NAD and FAD), and protein synthesis.It is intended for research use only.

  • Can be used as a tracer.
  • Functions as an internal standard for quantitative analysis using techniques like NMR, GC-MS, or LC-MS.
  • Stable heavy isotopes can impact pharmacokinetic and metabolic profiles.

ENCOMPASS_PREFERRED
6

Medchemexpress LLC Adenine-15N5 (6-aminopurine-15N5) | 73-24-5 | 95.0% | 1 MG
SDP

Adenine-15N5 (6-aminopurine-15N5; Vitamin B4-15N5) is 15N labeled Adenine. Adenine (6-aminopurine), a purine, is one of the four nucleobases in the nucleic acid of DNA. It acts as a chemical component of DNA and RNA and plays an important role in biochemistry involved in cellular respiration, forming both ATP and cofactors (NAD and FAD), and protein synthesis.

  • Can be used as a tracer.
  • Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
  • Stable heavy isotopes like 15N have been incorporated into drug molecules for quantitation during drug development.

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