Isotopically Labeled Compounds
eMolecules 204451-48-9 | Medchem Express | L-Glutamine-15N2 | 5mg | 761506717 | HY-N0390S8 | MFCD00084216 | 148.132 | C5H10N2O3
Medchem Express | MCU-i4 | 10mg | 596114084 | HY-138620 | 371924-24-2 | MFCD02730422 | 377.488 | C23H27N3O2
If you are unable to find the chemical you are looking for, make sure you are logged into your fishersci.com account and click on the following link:
eMolecules Building Block Tool<|a>
![Revvity Health Sciences Inc Deoxy-D-glucose, 2-[1,2-3H (N)]-, Aqueous Solution, 250 µCi (9.25 MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810997.jpg-250.jpg)
Revvity Health Sciences Inc Deoxy-D-glucose, 2-[1,2-3H (N)]-, Aqueous Solution, 250 µCi (9.25 MBq)
Deoxy-D-glucose, 2-[1,2-3H (N)]-, Aqueous Solution, 250 µCi (9.25 MBq)
![Revvity Health Sciences Inc CP 55940, [Side Chain-2,3,4-<sup>3</sup>H(N)]-, 25µCi (925kBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810012.jpg-250.jpg)
Revvity Health Sciences Inc CP 55940, [Side Chain-2,3,4-3H(N)]-, 25µCi (925kBq)
CP 55940, [Side Chain-2,3,4-3H(N)]-, 25µCi (925kBq)
Medchemexpress LLC Dimethyl adipate-d4 (hexanedioic acid dimethyl ester-d4) | 55724-08-8 | 99.4% | 178.22 g·mol⁻¹ | C8H10D4O4 | 50 MG
Dimethyl adipate-d4 is a deuterium-labeled analog of dimethyl adipate supplied as a high-purity isotopic standard for analytical and research use. It is intended for use in mass spectrometry, quantitative analysis, and synthetic applications where a deuterated reference is required. Supplied as a small-scale research vial for laboratory use only.
- High isotopic labeling for reliable mass spectrometric quantitation.
- Purity 99.4% (GC) for consistent analytical performance.
- Molecular weight 178.22 g·mol⁻¹ for accurate calculations.
- Chemical formula C8H10D4O4 indicates deuterium substitution.
- Stable liquid form suitable for standard preparation and spiking.
- Intended for research use only; not for human or clinical use.
Medchemexpress LLC Methanol-d | 1455-13-6 | MFCD00044213 | >99.0% | 33.05 | CH3OD | 10 G
Methanol-d1 (CH3OD) is a deuterium-labeled form of methanol supplied as a high-purity stable isotope reagent for analytical and research use. It is intended for use as a tracer and as an internal standard in NMR, GC-MS, and LC-MS workflows. Manufacturer documentation includes purity and storage recommendations to preserve isotopic integrity.
- High isotopic purity (≥99.0%).
- Suitable as tracer and internal standard for NMR, GC-MS, and LC-MS analyses.
- Provided with certificate of analysis and safety data sheet.
- Stable under recommended storage; extended shelf life when stored at low temperature.
- Available in laboratory-scale package sizes for research use.
Cayman Chemical Sphingosine Kinase Inhibitor
An SPHK1 inhibitor (IC50 = 0.5 µM for non-ATP-competitive inhibition of human recombinant SPHK1); selective for SPHK1 over ERK2, PI3K, and PKCα at 50s = 0.9-4.6 µM)
Medchemexpress LLC 2-Carboxyphenol-d4 | 78646-17-0 | 99.8% | 142.15 g·mol⁻¹ | C7H2D4O3 | 1 MG
2-Carboxyphenol-d4 is a deuterium-labeled analogue of 2-carboxyphenol intended for use as a tracer or internal standard in quantitative analytical methods. The d4 labeling improves accuracy for isotope-dilution experiments and facilitates detection by NMR, GC-MS, and LC-MS. The compound is provided in milligram-scale packages with high reported purity.
- Deuterium-labeled (d4) for isotopic tracing
- High reported purity (99.83%)
- Suitable as an internal standard for NMR, GC-MS, and LC-MS
- Molecular formula C7H2D4O3; molecular weight 142.15 g·mol⁻¹
- Supplied in milligram-scale packages for analytical use
Medchemexpress LLC Xanthine | 161770-53-2 | 99.4% | 154.10 g/mol | C5H4N2(15N)2O2 | 5 MG
Xanthine-15N2 is a stable isotope-labeled xanthine supplied as a high-purity analytical standard for mass spectrometry, tracer studies, and metabolic pathway research. The 15N2 labeling provides mass separation from endogenous xanthine, enabling accurate quantitation and recovery correction in LC-MS workflows. Recommended storage and handling preserve isotopic integrity for analytical use.
- High isotopic enrichment (15N) for accurate mass spectrometry quantification.
- High purity suitable for analytical and research applications.
- Molecular weight 154.10 g/mol and formula C5H4N2(15N)2O2 for exact mass calculations.
- Available in small, pre-weighed packs appropriate for trace-level assays.
- Stable when stored under recommended conditions to maintain integrity.
Medchemexpress LLC Darolutamide-d4 | 2484757-20-0 | 98.6% | 402.87 | 1 MG
Darolutamide-d4 | 2484757-20-0 | 98.6% | 402.87 | 1 MG
![Revvity Health Sciences Inc Testosterone, [4-<sup>14</sup>C]-, 50µCi (1.85MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502812837.jpg-250.jpg)
Revvity Health Sciences Inc Testosterone, [4-14C]-, 50µCi (1.85MBq)
Testosterone, [4-14C]-, 50µCi (1.85MBq)
Medchemexpress LLC N-Carbamimidoyl-N-(methyl-d3)glycine-2,2-d2 hydrate | 99.9% | 154.18 g/mol | C4H6D5N3O3 | 10 MG
Creatine-d5 monohydrate is a deuterium-labeled isotopic standard of creatine monohydrate designed for research and analytical applications. It is used as an internal standard in mass spectrometry and other bioanalytical assays to improve quantitation accuracy and traceability in metabolic and pharmacokinetic studies.
- High isotopic enrichment for reliable mass-differentiation.
- High chemical purity (99.93%).
- Molecular formula: C4H6D5N3O3.
- Molecular weight: 154.18 g/mol.
- Provided with certificate of analysis and datasheet.
- Available in small pack sizes suitable for analytical use.
- Suitable as an internal standard for LC-MS applications.
Medchemexpress LLC Adipic acid-d8 | 52089-65-3 | 99.7% | 154.19 g/mol | C6H2D8O4 | 100 MG
Adipic acid-d8 is the deuterium-labeled form of adipic (hexanedioic) acid supplied as a high-purity isotopic standard for analytical and research applications. It is used as an internal standard, tracer, or calibration reference in mass spectrometry, NMR, and method development.
- Deuterium-labeled (d8) for clear mass shifts in MS analyses.
- High purity suitable for use as an analytical reference material.
- Compact 100 mg quantity convenient for laboratory workflows.
- Known molecular weight and formula for accurate calculations.
- Suitable for quantitative LC-MS/MS, GC-MS, and NMR applications.
Medchemexpress LLC Glycocyamine-15N,13C2 | 2483829-93-0 | 97.4% | 120.09 | C13C2H7N215NO2 | 5 MG
Glycocyamine-15N,13C2 is an isotopically labeled form of glycocyamine (guanidinoacetic acid) intended for use as a stable-isotope tracer and reference standard in analytical and biochemical research. Supplied as a powder for preparation of standard solutions and experimental assays; for research use only.
- Isotopically labeled with 15N and 13C for tracer and quantification studies.
- High purity (97.4%) suitable for analytical applications.
- Supplied as a powder for easy dissolution and preparation of standards.
- Compatible with mass spectrometry and NMR workflows.
- Stable when stored under recommended conditions for long-term use.