Isotopically Labeled Compounds
Medchemexpress LLC Erythromycin-d6 | 959119-25-6 | 1 MG
Erythromycin-d6 is the deuterium labeled version of Erythromycin, a macrolide antibiotic produced by the actinomycete Streptomyces erythreus. Known for its broad spectrum of antimicrobial activity, it functions by binding to bacterial 50S ribosomal subunits, inhibiting RNA-dependent protein synthesis. This compound 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
Cambridge Isotope Laboratories L-PHENYLALANINE (3-13C, 99%), 0.1 G
L-PHENYLALANINE (3-13C, 99%), 0.1 G
Medchemexpress LLC Vitamin D2-d3 (Ergocalciferol-d3) | 1217448-46-8 | C28H41D3O | 5 MG
Vitamin D2-d3 (Ergocalciferol-d3) is the deuterium-labeled vitamin D2, where the C-6 and C-19 protons are replaced by deuterium. It is derived from plant sources or dietary supplements and can be used as a supplement of Vitamin D.
- 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 D-Fructose-13C2 | 2483736-14-5 | 25 MG
D-Fructose-13C2 is the 13C labeled D-Fructose, a naturally occurring monosaccharide found in many plants. This compound can be used as a tracer or as an internal standard for quantitative analysis.
- 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 1,2-distearoyl-d70-sn-glycero-3-phosphocholine | 56952-01-3 | MFCD00674391 | 99.0% | 860.577 | C44H18D70NO8P | 5 MG
DSPC-d70 is the deuterium-labeled form of 1,2-distearoyl-sn-glycero-3-phosphocholine used as an analytical tracer and as a lipid component in liposome and lipid nanoparticle formulations.
- Perdeuterated phosphatidylcholine (d70).
- Used as a tracer or internal standard for NMR, GC-MS, and LC-MS.
- Suitable for liposome and lipid nanoparticle formulation.
- Purity 99.0%.
- CAS number 56952-01-3.
- Molecular weight 860.577.
- Packaged as 5 MG.
Cambridge Isotope Laboratories GLYCINE (2,2-D2, 98%), 5 G, 4896-75-7
GLYCINE (2,2-D2, 98%), 5 G, 4896-75-7
Cambridge Isotope Laboratories L-ALANINE (2-13C, 99%), 0.1 G, 62656-85-3
L-ALANINE (2-13C, 99%), 0.1 G, 62656-85-3
![Revvity Health Sciences Inc Arginine Monohydrochloride L-[2,3,4-<sup>3</sup>H]-, 250µCi (9.25MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502812836.jpg-250.jpg)
Revvity Health Sciences Inc Arginine Monohydrochloride L-[2,3,4-3H]-, 250µCi (9.25MBq)
Arginine Monohydrochloride L-[2,3,4-3H]-, 250µCi (9.25MBq)
Medchemexpress LLC Thiabendazole-d4 | 1190007-20-5 | 98.8% | 205.27 g/mol | C10H3D4N3S | 10 MG
Thiabendazole-d4 is the deuterated isotopologue of thiabendazole, supplied as a solid stable isotope-labeled reference material for analytical and research use. It is formulated for use as an internal standard and reference in mass spectrometry and quantitative assays.
- Deuterated internal standard for mass spectrometry and quantitative assays.
- High chemical purity (98.84%) for reliable analytical performance.
- White to off-white solid, suitable for handling and weighing.
- Available in small, accurately weighed sizes for reference and calibration.
- Powder stable at -20°C for long-term storage; solvent stability is limited and should follow recommended conditions.
Medchemexpress LLC Dopamine-d3 (hydrochloride) | 53587-30-7 | 99.9% | 5 MG
Dopamine-d3 (hydrochloride) is the deuterium labeled Dopamine hydrochloride (ASL279)-. Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules, largely as tracers for quantitation during the drug development process. Deuteration has gained attention because of its potential to affect the pharmacokinetic and metabolic profiles of drugs.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC Menaquinone-4-d7 | 1233937-25-1 | 100 UG
Menaquinone-4-d7 (Vitamin K2 (MK-4)-d7) is the deuterium labeled Menaquinone-4. Menaquinone-4 is a vitamin K, used as a hemostatic agent and as an adjunctive therapy for the pain of osteoporosis. It is an isotope-labeled compound and endogenous metabolite.
- Deuterium labeled for research applications
- Used as a hemostatic agent
- Adjunctive therapy for osteoporosis pain
- Applicable in pharmacokinetic and metabolic studies
Cayman Chemical Sulfamethizole-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 2470130-12-0, 5 mg
An internal standard for the quantification of sulfamethizole by GC- or LC-MS
![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