Isotopically Labeled Compounds
Medchemexpress LLC L-Tyrosine-d2 | 72963-27-0 | 183.20 | 100 MG
L-Tyrosine-d2 is the deuterium labeled L-Tyrosine, a non-essential amino acid which can inhibit citrate synthase activity in the posterior cortex. This compound can be used as a tracer and as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Incorporates stable heavy isotopes of hydrogen and carbon into drug molecules for quantitation during drug development.
- Deuteration may affect pharmacokinetic and metabolic profiles of drugs.
Genscript Corporation 25-OH Vitamin D3 BSA Conjugat
Vitamin D plays an important role in calcium homeostasis and metabolism Vitamin D3 and vitamin D2 are two forms of vitamin D in human body both of which only a few foods contain The deficiency of vitamin D in human body can cause a threat of diseases such as osteomalacia rickets and diabetes 25-OH Vitamin D2 and 25-OH Vitamin D3 as vitamin D metabolites are measured in human serum to evaluate vitamin D level Vitamin D supplements are considered as an effective way to treat or to prevent the diseases
Medchemexpress LLC Morpholine-d4 hydrochloride | 1115228-35-7 | 98.0% | 127.61 | 500 MG
Morpholine-d4 hydrochloride is the deuterium labeled Morpholine hydrochloride. It can be used as a tracer and as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Cambridge Isotope Laboratories ACETALDEHYDE (1,2-13C2, 99%), 0.5 G, 1632-98-0
ACETALDEHYDE (1,2-13C2, 99%), 0.5 G, 1632-98-0
![Revvity Health Sciences Inc Sauvagine, [<sup>125</sup>I]-Tyr<sup>0</sup>], 50µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502811051.jpg-250.jpg)
Medchemexpress LLC (E/Z)-Triprolidine-d8 hydrochloride | 1795134-06-3 | 1 MG
(E/Z)-Triprolidine-d8 hydrochloride is a deuterium-labeled version of (E/Z)-Triprolidine hydrochloride. Deuteration of drug molecules, often with stable heavy isotopes, can affect their pharmacokinetic and metabolic profiles, making them valuable as tracers for quantitation during drug development.
- Used as a tracer.
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Medchemexpress LLC L-glutamine-15N-1 | 59681-32-2 | 147.14 | 1 ML
L-Glutamine-15N-1 is a 15N-labeled L-Glutamine and a non-essential amino acid abundant throughout the body. It is involved in many metabolic processes and provides a source of carbons for oxidation in some cells. This product is for research use only.
- 15N-labeled L-Glutamine
- Non-essential amino acid
- Abundant throughout the body
- Involved in many metabolic processes
- Provides a source of carbons for oxidation in some cells
- Stable heavy isotope
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Cayman Chemical Cytidine-d2, Purity: ≥99% deuterated forms (d1-d2), CAS: 40632-25-5, 1 mg
An internal standard for the quantification of cytidine by GC- or LC-MS
Medchemexpress LLC Cinacalcet-d4 hydrochloride | 2514927-75-2 | ≥98.0% | 397.90 g/mol | C22H19D4ClF3N | 2.5 MG
Cinacalcet-d4 hydrochloride is a deuterium-labeled analogue of cinacalcet provided as the hydrochloride salt for use as an isotopically labeled internal standard in analytical and research workflows, particularly LC-MS quantitation. It has molecular formula C22H19D4ClF3N, molecular weight 397.90 g/mol, and typical purity ≥98.0%.
- Deuterium-labeled internal standard suitable for LC-MS quantitation.
- Hydrochloride salt form for stable handling and solubility in common solvents.
- D4 isotopic labeling reduces interference from native analyte peaks.
- High purity (≥98.0%) supports accurate and reproducible results.
- Available in small mass packages for reference standard and trace-level analysis.
Medchemexpress LLC Candesartan-d5 | 1189650-58-5 | 95.50% | 1 MG
Candesartan-d5 is the deuterium labeled Candesartan. Candesartan is an angiotensin II receptor antagonist with IC50 of 0.26 nM. It is for research use only and not sold to patients. Deuteration has gained attention due to its potential to affect the pharmacokinetic and metabolic profiles of drugs.
- This compound can be used as a tracer.
- This compound can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Cayman Chemical BAY 57-1293-d4, Purity: ≥99% deuterated forms (d1-d4), 1 mg
An internal standard for the quantification of BAY 57-1293 by GC- or LC-MS
Medchemexpress LLC 2-aminohexane-d6 | 1219802-28-4 | 97.9% | 107.23 g/mol | C6H9D6N | 50mg
2-Aminohexane-d6 is the deuterium labeled 2-Aminohexane[1]
Medchemexpress LLC Rifabutin-d7 (ansamycin-d7; LM-427-d7) | 2747918-39-2 | 98.4% | 854.05 | 5 MG
Rifabutin-d7 is the deuterium labeled Rifabutin. Rifabutin (Ansamycin) is a semisynthetic ansamycin antibiotic with potent antimycobacterial properties, and it inhibits DNA-dependent RNA polymerase. It is for research use only and not sold to patients.
- This compound can be used as a tracer.
- This compound can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Impact of deuterium substitution: 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.