Isotopically Labeled Compounds
Regis Technologies Inc D-Luciferin Sodium Salt | 103404-75-7 | 1g
D-Luciferin Sodium Salt is a D-Luciferin. Regis Technologies manufactures D-Luciferin for use in research applications ranging from reporter gene assays to whole animal assays. We produce high purity Luciferin to ensure the highest signal, lowest background, highest reproducibility, and lowest sensitivity levels for your application. Our manufacturing capabilities enable us to supply you with the highest purity material for your short term and long term needs, and the flexibility to help you overcome any obstacles. Inquire about our custom sizes and packaging.
Cambridge Isotope Laboratories L-LYSINE:2HCL (4,4,5,5-D4, 96-98%), 0.25 G
L-LYSINE:2HCL (4,4,5,5-D4, 96-98%), 0.25 G
![Revvity Health Sciences Inc GTPγS, [<sup>35</sup>S]- 1250Ci/mmol, 12.5mCi/ml, 1 mCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/509048203.jpg-250.jpg)
Revvity Health Sciences Inc GTPγS, [35S]- 1250Ci/mmol, 12.5mCi/ml, 1 mCi
GTPγS, [35S]- 1250Ci/mmol, 12.5mCi/ml, 1 mCi
![Medchemexpress LLC Benzo[a]pyrene-d12 | 63466-71-7 | MFCD00143664 | 99.3% | 264.38 | C20D12 | 5 MG](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000240865.png-250.jpg)
Medchemexpress LLC Benzo[a]pyrene-d12 | 63466-71-7 | MFCD00143664 | 99.3% | 264.38 | C20D12 | 5 MG
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.
Medchemexpress LLC Oleic acid-d2 (9-cis-octadecenoic acid-d2) | 5711-29-5 | 99.6% | 10 MG
Oleic acid-d2 is the deuterium-labeled form of oleic acid (9-cis-octadecenoic acid) provided as a neat liquid for use as a tracer and internal standard in quantitative NMR, GC-MS, and LC-MS analyses. It is reported to modulate Na+/K+ ATPase activity and is supplied with high isotopic and analytical purity for research applications.
- Deuterium-labeled internal standard for quantitative mass spectrometry and NMR.
- High analytical purity (99.6%).
- Molecular formula C18H32D2O2 and molecular weight 284.47.
- Available in research-scale quantities, including 10 mg vials.
- Colorless to light yellow liquid; density approximately 0.896 g/cm3.
Cayman Chemical S-AdenosylhomocysteIn-d4 1mg
An internal standard for the quantification of SAH by GC- or LC-MS
Cambridge Isotope Laboratories cis-DCCA (1 carboxyl-13C2 99% 1-D 97%) 100 ug/mL in acetonitrile-D3 1 2 mL
cis-DCCA (1 carboxyl-13C2 99% 1-D 97%) 100 ug/mL in acetonitrile-D3 1 2 mL
Cayman Chemical GalIc AcId-d2 5mg
An internal standard for the quantification of gallic acid by GC- or LC-MS
Medchemexpress LLC Propanoic-d5 acid, sodium salt | 202529-18-8 | 99.9% | 10 MG
Propanoic-d5 (sodium) is the deuterium-labeled sodium salt of propionic acid used as a stable isotope tracer in analytical and metabolic studies.
- Deuterium-labeled compound suitable as an internal standard or tracer in mass spectrometry and metabolic research.
- High chemical purity (99.91% by HPLC) for reliable analytical performance.
- Deuterium incorporation (d5) provides clear isotopic distinction from unlabeled analogs.
- Solid form, facilitating handling and long-term storage.
- Recommended storage: powder at -20°C (3 years) or 4°C (2 years); in solvent at -80°C (6 months) or -20°C (1 month).
Medchemexpress LLC Adenine-d (6-aminopurine-d1) | 109923-52-6 | MFCD06658867 | 99.9% | 136.13 | C5H4DN5 | 10 MG
Adenine-d (6-aminopurine-d1) is the deuterium-labeled analogue of adenine, supplied as a stable-isotope reagent for biochemical and analytical research. It is intended for metabolic labeling, mass spectrometry reference standards, and studies of nucleic acid metabolism.
- Deuterium-labeled adenine for isotope tracing and analytical studies.
- Chemical formula C5H4DN5.
- Molecular weight 136.13 g/mol.
- Purity 99.9% by specification.
- CAS number 109923-52-6 for unambiguous identification.
- Supplied as a powder commonly in a 10 MG package; store powder at -20°C for long-term stability.
Medchemexpress LLC Bicarbonate-13C sodium | 87081-58-1 | MFCD00084061 | 98.0% | 85.00 g/mol | NaH13CO3 | 250 MG
Bicarbonate-13C sodium is a 13C-labeled sodium bicarbonate supplied as a dry inorganic salt for use as a tracer and internal standard in analytical and metabolic studies. It is applicable to NMR, GC-MS, and LC-MS quantitation, and is useful for pH buffering in biological experiments.
- 13C-labeled tracer for metabolic and pH imaging studies.
- Suitable as an internal standard for NMR, GC-MS, and LC-MS quantitation.
- High chemical purity (≥98.0%).
- Stable solid form for straightforward storage and handling.
- Useful for buffering and pH control in biological media.
American Radiolabeled Chemicals Inc RETINYL PALM-9 10-3H 250UC
Retinyl palmitate-palmitoyl-9,10-3H 250uCi in toluene, 1 mCi/ml, S.A. 50-60 Ci/mmol, M.W. 524.9, Shipped in Dry Ice, Exclusive
Medchemexpress LLC Clothianidin-d3 | 1262776-24-8 | MFCD17019117 | 252.70 g/mol | C6H8ClN5O2S | 5 MG
Clothianidin-d3 is a deuterium-labeled analogue of the neonicotinoid insecticide clothianidin, provided as a 5 mg analytical reference standard for use as an internal standard or reference in mass spectrometry, residue, and trace analysis.
- Isotopically labeled with three deuterium atoms (d3) for accurate mass spectrometry quantification.
- Intended for use as an analytical reference standard and internal standard in LC-MS/MS or GC-MS analyses.
- Provided as a small, neat solid suitable for preparing calibration standards and spike recoveries.
- CAS 1262776-24-8 identifies the deuterated compound for reference in analytical workflows.
- Useful for pesticide residue analysis and trace-level quantification in environmental and food matrices.
Cayman Chemical Adapalen-d3 1mg
An internal standard for the quantification of adapalene by GC- or LC-MS