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Isotopically Labeled Compounds

Chemicals to which isotopes have been attached in order to label specific atoms. Isotopically labeled compounds are commonly used in synthetic chemistry, characterization techniques such as NMR, and biology.
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Search Within Results
Keyword Search:
511 – 525 of 8,799 results
511

Medchemexpress LLC Heptadecanoic acid-d33 | 352431-41-5 | 303.65 | 25 MG
SDP

Heptadecanoic acid-d33 is the deuterium labeled Heptadecanoic acid. It is an odd chain saturated fatty acid (OCS-FA). Heptadecanoic acid is associated with several diseases, including coronary heart disease, prediabetes, type 2 diabetes, and multiple sclerosis.

  • Can be used as a tracer
  • Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS

ENCOMPASS_PREFERRED
512

Cayman Chemical OctnoIc AcId-d2 1mg
SDP

An internal standard for the quantification of octanoic acid by GC- or LC-MS

ENCOMPASS_PREFERRED
513

Cambridge Isotope Laboratories BILE ACID STANDARD 1 MIX (UNCO

BILE ACID STANDARD 1 MIX (UNCONJUGATED) UNLABELED STANDARD, 1 VIAL

ENCOMPASS
514

Medchemexpress LLC MEDCHEMEXPRESS LLC
SDP

5000734681 ETHANOLAMINE-D4 HYD 25MG

ENCOMPASS_PREFERRED
515

Sigma Aldrich Fine Chemicals Biosciences Ethanolamine 13C2 99 atom100MG

Ethanolamine 13C2 99 atom100MG

ENCOMPASS
516

Cambridge Isotope Laboratories Perylene (D12 98%) 1 g

Perylene (D12 98%) 1 g

ENCOMPASS
517

Medchemexpress LLC MEDCHEMEXPRESS LLC
SDP

5000739027 GLYPHOSATE-13C 10MG

ENCOMPASS_PREFERRED
518

Medchemexpress LLC Benzo[a]pyrene-d12 | 63466-71-7 | MFCD00143664 | 99.3% | 264.38 | C20D12 | 5 MG
SDP

Benzo[a]pyrene-d12 is the deuterium-labeled analogue of benzo[a]pyrene supplied as a high-purity stable isotope standard for analytical and research use. It functions as an internal standard or tracer for mass spectrometry and quantitative studies in environmental analysis, toxicology, and chemoprevention research.

  • Deuterium-labeled analogue for mass spectrometry tracing and quantification.
  • High purity (99.3%) for reliable analytical performance.
  • Available in small-mass pack sizes suitable for standards preparation.
  • Molecular formula C20D12 and molecular weight 264.38 for exact mass calculations.
  • Stable under recommended storage conditions with extended shelf life.

ENCOMPASS_PREFERRED
519

Cambridge Isotope Laboratories L-CYSTEINE (15N, 98%), 0.25 G, 204523-09-1

L-CYSTEINE (15N, 98%), 0.25 G, 204523-09-1

ENCOMPASS
520

Medchemexpress LLC MEDCHEMEXPRESS LLC
SDP

5000296889 XYLOSE-1-13C 10MG

ENCOMPASS_PREFERRED
521

Cambridge Isotope Laboratories N-Stearoyl-D-sphingosine (C18 ceramide) (d16 16 17 17 18 18 18-D7 98%) CP 95% 1 mg

N-Stearoyl-D-sphingosine (C18 ceramide) (d16 16 17 17 18 18 18-D7 98%) CP 95% 1 mg

ENCOMPASS
522

Medchemexpress LLC MEDCHEMEXPRESS LLC
SDP

5000784941 INDOLE-15N 5MG

ENCOMPASS_PREFERRED
523

Cambridge Isotope Laboratories Celtone base powder (13C 98% 15N 98%) 0 5 g

Celtone base powder (13C 98% 15N 98%) 0 5 g

ENCOMPASS
524

Medchemexpress LLC Lignoceric acid-d4-2 | 1219794-61-2 | 98.0% | 10MG
SDP

Lignoceric acid-d4-2 | 1219794-61-2 | 98.0% | 10MG

ENCOMPASS_PREFERRED
525

eMolecules​ Acetyl-1,2-13C2 Coenzyme A Sodium Salt (~2% Unlabelled) | Toronto Research Chemicals |811.550 | C23H38N7O17P3SCC(C)(COP(O)(=O)OP(O)(=O)OCC1O[C@H]([C@H](O)[C@@H]1OP(O)(O)=O)n1cnc2c(N)ncnc12)[C@@H](O)C(=O)NCCC(=O)NCCS[13C]([13CH3])=O | 1mg | 866849471

Acetyl-1,2-13C2 Coenzyme A Sodium Salt (~2% Unlabelled) | Toronto Research Chemicals |811.550 | C23H38N7O17P3SCC(C)(COP(O)(=O)OP(O)(=O)OCC1O[C@H]([C@H](O)[C@@H]1OP(O)(O)=O)n1cnc2c(N)ncnc12)[C@@H](O)C(=O)NCCC(=O)NCCS[13C]([13CH3])=O | 1mg | 866849471

ENCOMPASS_PREFERRED