Isotopically Labeled Compounds
STA PHARMACEUTICAL US LLC Fmoc-D-Asp-OAll | 1 g | CAS 204246-17-3 | MDL MFCD01074689
Fmoc-D-Asp-OAll is a Amino Acid reagent (Subcategory: Asp) sold by WuXi TIDES. Offered in 1 g. Store at 4 °C. SDS available for reference.
Specifications
- CAS: 204246-17-3
- MDL: MFCD01074689
- InChIKey: ZJMVIWUCCRKNHY-LJQANCHMSA-N
- Molecular Weight: 395.411
- Molecular Formula: C22H21NO6
- Purity: ≥95%
- Container Type: 15 mL HDPE
- Pack Size: 1 g
- Net Weight: 1 g
- Gross Weight: 7.8 g
- Commodity Code: 29242970
- Country Of Origin: China
- IUPAC: (R)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-(allyloxy)-4-oxobutanoic acid
- SMILES: C=CCOC([C@@H](CC(O)=O)NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)=O
Medchemexpress LLC Etidronic acid-d3 disodium | 358730-93-5 | 98.0% | 1 MG
Etidronic acid-d3 disodium is a deuterium labeled compound, serving as a stable isotope-labeled compound.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by techniques such as NMR, GC-MS, or LC-MS.
- Deuteration has potential to influence the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC L-ornithine-d2 hydrochloride | 2483831-42-9 | MFCD12091013 | 99.9% | 170.63 | C5H11D2ClN2O2 | 100 MG
L-ornithine-d2 hydrochloride is the deuterium-labeled form of L-ornithine hydrochloride supplied for research use as a white to off-white solid. It is intended for use as a stable-isotope reagent in quantitative mass spectrometry, metabolic tracing, and other analytical applications, and is provided with documentation confirming identity and purity.
- Deuterium-labeled stable isotope suitable for analytical standards.
- High purity for quantitative applications (99.94%).
- White to off-white solid for convenient handling and storage.
- Supplied with a certificate of analysis for batch-specific data.
- Water soluble for preparation of aqueous stock solutions.
Medchemexpress LLC Sodium phosphate dibasic-d2 | 107632-22-4 | 99.0% | 142.97 g·mol⁻1 | DNa2O4P | 5mg
Phosphate dibasic-d2 (sodium) is the deuterium labeled Sodium phosphate dibasic[1]
Cayman Chemical DopamIn-d4hydrochlorIde 25mg
An internal standard for the quantification of dopamine by GC- or LC-MS
Medchemexpress LLC Dimethyl adipate-d8 | 52089-64-2 | MFCD12022192 | 98.0% | 182.24 | C8H6D8O4 | 100 MG
Dimethyl adipate-d8 is a deuterium-labeled analogue of dimethyl adipate used as an isotopically labeled reference standard for analytical chemistry. It is intended for use as an internal standard in mass spectrometry and chromatographic assays, offering predictable chromatographic behavior with a distinct mass shift.
- Deuterated analogue with eight deuterium atoms, providing clear mass separation.
- High isotopic enrichment for reliable internal standard performance.
- High chemical purity suitable for analytical workflows.
- Multiple small package sizes available for laboratory-scale use.
- Stable under recommended storage conditions for consistent results.
Medchemexpress LLC DL-cystine-d6 | 352431-53-9 | MFCD01317433 | 99.8% | 246.34 g·mol⁻¹ | C6H6D6N2O4S2 | 1 MG
DL-Cystine-d6 is the deuterium-labeled form of DL-cystine provided for research use as an isotopic tracer and analytical standard. It is typically used in mass spectrometry, metabolic tracing, and quantitative labeling studies where deuterium incorporation allows clear differentiation from unlabeled compounds.
- Deuterium-labeled tracer for isotope studies
- High purity (99.81%) suitable for analytical applications
- Molecular formula C6H6D6N2O4S2, molecular weight 246.34 g·mol⁻¹
- Available in small pack sizes for analytical workflows
- Solid form, stable under recommended storage conditions
![Revvity Health Sciences Inc Deoxy-D-glucose, 2-[1,2-3H(N)], 1 mCi (37 MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/509048341.jpg-250.jpg)
Revvity Health Sciences Inc Deoxy-D-glucose, 2-[1,2-3H(N)], 1 mCi (37 MBq)
Deoxy-D-glucose, 2-[1,2-3H(N)], 1 mCi (37 MBq)
Medchemexpress LLC Cytosine-d2 | 106391-24-6 | MFCD01317453 | 99.7% | 113.11 g/mol | C4H3D2N3O | 10 MG
Cytosine-d2 is a deuterium-labeled isotopic standard of the nucleobase cytosine intended for analytical and biochemical applications, including mass spectrometry, tracer experiments, and method development. It is supplied as a dry solid and requires appropriate handling and storage.
- Deuterium-labeled cytosine (d2) for isotope dilution and tracer studies.
- Suitable as an internal standard for LC-MS and GC-MS quantification.
- High purity, approximately 99.7%.
- Soluble in DMSO at 10 mg/mL with ultrasonic and warming; hygroscopic DMSO may affect solubility.
- Store at 4°C protected from light; in solvent store at -80°C (6 months) or -20°C (1 month).
Medchemexpress LLC Thiophanat-ethyl-d10 | 1398066-16-4 | 380.51 | C14H8D10N4O4S2 | 10 MG
Thiophanat-ethyl-d10 is the deuterium-labeled isotopologue of thiophanat-ethyl provided for research and analytical applications. Supplied as a solid in a 10 mg quantity, it is intended for use as a stable-isotope internal standard and tracer to support quantitative methods. Consult the product datasheet and safety documentation for handling and storage information.
- Deuterium-labeled (d10) isotopologue suitable as an internal standard.
- Used as a tracer for quantitative NMR, GC-MS, and LC-MS analyses.
- Provided as a solid, convenient for preparation of standards and calibrants.
- Supports accurate quantitation by compensating for matrix effects and instrument variability.
- Intended for research use; follow safety and storage recommendations on the datasheet.
Medchemexpress LLC 16:0-18:1 PE-d31 | 326495-44-7 | 99.8% | 749.19 | 1 MG
16:0-18:1 PE-d31 is deuterium labeled 16:0-18:1 PE. It is for research use only and not sold to patients. 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.
- 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 (R,S)-Norcotinine-d4 | 1020719-70-3 | 166.21 | 1 MG
(R,S)-Norcotinine-d4 is a deuterium labeled compound. 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.
- Target: Isotope-labeled compounds
- Used 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
- For research use only (product has not been fully validated for medical applications)
Medchemexpress LLC D-Glucose-13C | 101615-88-7 | 99.9% | 25 MG
D-Glucose-13C is the 13C labeled D-Glucose. D-Glucose is a monosaccharide, an important carbohydrate in biology, and a carbohydrate sweetener. It is a critical component of general metabolism and serves as a critical signaling molecule related to cellular metabolic status and stress response.
- Used as a tracer in biological studies.
- Serves as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Incorporates stable heavy isotopes into drug molecules for quantitation during drug development.
Medchemexpress LLC L-ornithine-d2 hydrochloride | 2483831-42-9 | 99.9% | 170.63 | C5H11D2ClN2O2 | 5 MG
L-ornithine-d2 hydrochloride is the deuterium-labeled form of L-ornithine supplied for research use as an internal standard or tracer in quantitative analyses. It is provided as a high-purity, white to off-white solid hydrochloride salt tailored for analytical workflows such as NMR, GC-MS, and LC-MS.
- Deuterium-labeled internal standard for quantitative analysis.
- High chemical purity (≈99.9%).
- Hydrochloride salt form, solid, white to off-white.
- Suitable for NMR, GC-MS, and LC-MS methods.
- Available in small milligram pack sizes for analytical use.
Cayman Chemical ResolvIn D3 methyl ester 25UG
A methyl ester form of resolvin D3; may act as a lipophilic prodrug form that will alter its distribution and pharmacokinetic properties