Isotopically Labeled Compounds
Cambridge Isotope Laboratories Suberic acid (2 2 7 7-D4 98%) 0 5 g
Suberic acid (2 2 7 7-D4 98%) 0 5 g
Medchemexpress LLC N-hexacosane-d54 | 1219803-91-4 | MFCD03428117 | 99.5% | 421.04 g/mol | C26D54 | 5 MG
N-hexacosane-d54 is a deuterium-labeled analog of n-hexacosane designed for research applications as a tracer and internal standard in quantitative analyses such as NMR, GC-MS, and LC-MS. It is supplied as a solid with high isotopic and chemical purity and includes recommended storage conditions for powder and solutions.
- High isotopic purity: 99.5%
- Suitable as tracer and internal standard for NMR, GC-MS, and LC-MS
- Solid, white to off-white appearance for easy handling
- Defined storage stability for powder and in solvent to preserve integrity
- Provides known molecular weight and formula for accurate quantitation
Medchemexpress LLC L-norleucine-d9 ((S)-2-aminohexanoic acid-d9) | 1331889-36-1 | 99.8% | 140.23 | C6H4D9NO2 | 1mg
L-Norleucine-d9 is the deuterium labeled L-Norleucine L-Norleucine ((S)-2-Aminohexanoic acid) is an isomer of leucine specifically affects protein synthesis in skeletal muscle and has antivirus activity
![Revvity Health Sciences Inc CTP, [α-<sup>32</sup>P]- 800Ci/mmol 10mCi/ml , 250 µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/default.jpg-250.jpg)
Revvity Health Sciences Inc CTP, [α-32P]- 800Ci/mmol 10mCi/ml , 250 µCi
CTP, [α-32P]- 800Ci/mmol 10mCi/ml , 250 µCi
Medchemexpress LLC Fmoc-Cys(Trt)-OH-d2 | 360565-11-3 | 587.72 | 5 MG
Fmoc-Cys(Trt)-OH-d2 is the deuterium labeled Fmoc-Cys(Trt)-OH, which is an N-terminal protected cysteine derivative.
- Used as a tracer for quantitative analysis.
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Cayman Chemical Felbamate-d4 5mg
An internal standard for the quantification of felbamate by GC- or LC-MS
Medchemexpress LLC Sarcosine-d3 | 118685-91-9 | MFCD01075434 | 99.1% | 92.11 g/mol | C3H4D3NO2 | 50 MG
Sarcosine-d3 is the deuterium-labeled analogue of sarcosine (N-methylglycine) used as a stable-isotope internal standard for mass spectrometry and quantitative analytical methods. Supplied in milligram quantities for laboratory research, it provides high isotopic enrichment and chemical purity for method development, calibration, and tracer studies.
- Deuterated internal standard for mass spectrometry quantitation.
- High isotopic enrichment (methyl-d3).
- High chemical purity (99.05%).
- Available in multiple milligram sizes, including 50 mg.
- Molecular formula C3H4D3NO2; molecular weight 92.11 g/mol.
- Supplied with COA and SDS for quality and safety verification.
Medchemexpress LLC 2'-Deoxycytidine-13C9,15N3 | 1987883-22-6 | 99.0% | 1 MG
2'-Deoxycytidine-13C9,15N3 is a 13C and 15N-labeled 2'-Deoxycytidine. This deoxyribonucleoside can inhibit the biological effects of Bromodeoxyuridine (Brdu) and is intended for research use only.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Medchemexpress LLC Xanthurenic acid-d4 | 1329611-28-0 | MFCD27967185 | 99.1% | 209.19 | C10H3D4NO4 | 2.5 MG
Xanthurenic acid-d4 is the deuterium-labeled analogue of xanthurenic acid supplied as a solid for research use. It is formulated for use as an internal standard in analytical workflows, providing consistent isotopic shifts for accurate quantitation in mass spectrometry and chromatographic assays.
- Deuterium-labeled for isotope-dilution and mass spectrometry quantitation.
- High chemical purity suitable for analytical standards.
- Molecular weight 209.19 g/mol and formula C10H3D4NO4 provide exact mass reference.
- Compatible with LC-MS/MS and GC-MS workflows.
- Available in small, accurately weighed quantities for calibration and method validation.
- Supplied as a light yellow to yellow solid; intended for research use only.
Medchemexpress LLC Gepirone-d8 | 2749331-28-8 | 98.0% | 1MG
Gepirone-d8 | 2749331-28-8 | 98.0% | 1MG
Medchemexpress LLC 1-methylimidazole-d6 | 285978-27-0 | MFCD00190485 | 98.8% | 88.14 | C4D6N2 | 10 MG
1-Methylimidazole-d6 is the deuterium-labeled isotopologue of 1-methylimidazole supplied for use as an isotopic reference and internal standard in analytical laboratories. It is intended for tracer and quantitative applications in NMR, GC-MS, and LC-MS workflows.
- Deuterium-labeled internal standard for quantitative analysis by NMR, GC-MS, and LC-MS.
- High chemical purity (≈98.8%) and consistent isotopic enrichment for reliable results.
- Molecular weight 88.14 and molecular formula C4D6N2 for precise mass calculations.
- Available in small, laboratory-scale quantities suitable for standard analytical protocols.
Medchemexpress LLC Terephthalic acid-d4 | 60088-54-2 | 98.0% | 170.16 | 50 MG
Terephthalic acid-d4 is the deuterium-labeled form of Terephthalic acid, an isomer and a precursor to polyester PET, a material used in clothing and plastics. It can also be utilized to construct skin tumor models.
- Can be used as a tracer.
- Can serve as an internal standard for quantitative analysis using techniques such as NMR, GC-MS, or LC-MS.
- Deuteration, the incorporation of stable heavy isotopes like deuterium into drug molecules, has shown potential in influencing the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Isovaleric acid-13C | 87994-84-1 | 99.0% | 103.12 | 100 MG
Isovaleric acid-13C is the 13C labeled Isovaleric acid. Isovaleric acid is a natural fatty acid known to affect neonatal death and possible Jamaican vomiting sickness in humans. It is for research use only and not sold to patients.
- 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 of hydrogen, carbon, and other elements incorporated into drug molecules for quantitation during drug development.
