Isotopically Labeled Compounds
Cayman Chemical MyrIstIc AcId-d2 250mg
An internal standard for the quantification of myristic acid by GC- or LC-MS
Medchemexpress LLC Pyruvic acid-13C,d4 | MFCD00002585 | 93.08 | C213CD4O3 | 10mg
Pyruvic acid-13C d4 is the deuterium and 13C labeled Pyruvic acid[1] Pyruvic acid is an intermediate metabolite in the metabolism of carbohydrates proteins and fats[2]
Medchemexpress LLC L-lactate-13C (sodium) | 201595-69-9 | 98.0% | 113.05 g·mol⁻¹ | C3H5NaO3 | 100mg
L-Lactate-13C ((S)-2-Hydroxypropanoic acid-13C) sodium is the 13C-labeled L-Lactic acid sodium (HY-W040233) L-lactate Sodium is a buildiing block which can be used as a precursor for the production of the bioplastic polymer poly-lactic acid L-Lactic acid Sodium has antiproliferative activity[1][2][3]
Medchemexpress LLC Oxonic acid -13C2,15N3 potassium salt hydrate | 1644063-37-5 | MFCD00010565 | ≥95.0% | 218.16 | C213C2H4K15N3O5 | 1 MG
Oxonic acid-13C2,15N3 potassium salt hydrate is an isotopically labeled internal standard supplied as a small, accurately weighed solid for analytical quantification. The 13C and 15N labels provide clear mass separation from unlabeled analyte, enabling precise tracer studies and quantitative workflows in NMR, GC-MS, and LC-MS. Certificate of analysis is provided for identity and purity verification.
- Isotopically labeled with 13C and 15N for unambiguous mass spectrometric identification.
- Suitable as an internal standard or tracer in NMR, GC-MS, and LC-MS.
- Provided as a neat solid with exact weight packaging for precise quantitation.
- Available in 1 mg size, with larger quantities available on request.
- Certificate of analysis supplied for purity and identity confirmation.
Medchemexpress LLC β-nicotinamide adenine dinucleotide-d4 | 98.3% | 667.45 g/mol | C21H23D4N7O14P2 | 500 UG
Deuterium-labeled nicotinamide adenine dinucleotide (NAD+) supplied as a white to off-white solid for use as a tracer and internal standard in quantitative analytical methods such as NMR, GC-MS, and LC-MS. Supplied as a 500 μg powder and intended for research use; follow storage and handling instructions.
Medchemexpress LLC L-hercynine-d3 | 1639966-63-4 | 99.8% | C9H12D3N3O2 | 10MG
L-Hercynine-d3 is a deuterium-labeled stable isotope of L-hercynine supplied as a high-purity solid for use as an internal standard, tracer, or reference in analytical and research applications such as LC-MS, GC-MS, and NMR.
- Deuterium-labeled analog of L-hercynine.
- High stated purity of 99.8%.
- Formulated as a white to light yellow solid suitable for handling and storage.
- Offered in small milligram pack sizes for analytical use.
- Documentation available: data sheet, SDS, and COA for quality verification.
Medchemexpress LLC Nicorandil-d4 | 1132681-23-2 | 99.8% | 1 MG
Nicorandil-d4 (SG-75-d4) is the deuterium-labeled Nicorandil. Nicorandil (SG-75) is a potent potassium channel activator that targets vascular nucleoside diphosphate-dependent K+ channels and cardiac ATP-sensitive K+ channels (KATP). It is a nicotinamide ester with vasodilatory and cardioprotective effects, with potential use for angina and ischemic heart diseases. Deuteration has gained attention due to 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.
- Targets vascular nucleoside diphosphate-dependent K+ channels and cardiac ATP-sensitive K+ channels (KATP).
- Has vasodilatory and cardioprotective effects.
- Potential for angina and ischemic heart diseases.
STA PHARMACEUTICAL US LLC Fmoc-L-Asp-OAll | 25 g | CAS 144120-53-6 | MDL MFCD00467715
Fmoc-L-Asp-OAll is a Amino Acid reagent (Subcategory: Asp) sold by WuXi TIDES. Offered in 25 g. Store at 4 °C. SDS available for reference.
Specifications
- CAS: 144120-53-6
- MDL: MFCD00467715
- InChIKey: ZJMVIWUCCRKNHY-IBGZPJMESA-N
- Molecular Weight: 395.411
- Molecular Formula: C22H21NO6
- Purity: ≥95%
- Container Type: 125 mL HDPE
- Pack Size: 25 g
- Net Weight: 25 g
- Gross Weight: 54.3 g
- Commodity Code: 29242970
- Country Of Origin: China
- IUPAC: (S)-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
Cayman Chemical FluvoxamIn-d4maleate 500ug
An internal standard for the quantification of fluvoxamine by GC- or LC-MS
Medchemexpress LLC Ethylene glycol (1,2-13C2) | 104700-12-1 | MFCD00144287 | 99.0% | 64.05 | HO13CH213CH2OH | 100mg
Ethylene glycol-13C2 is the 13C labeled Ethylene glycol[1]
Medchemexpress LLC Quinoline-d7 | 34071-94-8 | MFCD00145200 | 98.1% | 136.20 | C9D7N | 10mg
Quinoline-d7 is the deuterium labeled Quinoline[1]
Sigma Aldrich Fine Chemicals Biosciences Sodum pyruvate-1-13C 99 a250MG
Sodum pyruvate-1-13C 99 a250MG
Medchemexpress LLC Erythromycin-13C,d3 | 2378755-50-9 | 99.50% | 1 MG
Erythromycin-13C,d3 is a 13C- and deuterium labeled macrolide antibiotic. It is produced by the actinomycete *Streptomyces erythreus* and exhibits a broad spectrum of antimicrobial activity. The compound works by binding to bacterial 50S ribosomal subunits, thereby inhibiting RNA-dependent protein synthesis by blocking transpeptidation and/or translocation reactions without affecting nucleic acid synthesis.
- Used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Purity of 99.50% by HPLC
- Isotope-labeled compound
- Deuterium (2H, D) labeled
- Carbon-13 (13C) labeled
- Stable isotope-labeled inhibitor
Medchemexpress LLC Mebeverine acid-d5 hydrochloride | 475203-77-1 | 99.0% | 10 MG
Mebeverine acid-d5 hydrochloride is a deuterium-labeled form of Mebeverine acid hydrochloride, a secondary metabolite of the intestinal antispasmodic agent Mebeverine. This metabolite is formed in the body through hydrolysis and serves as a key circulating marker for oral Mebeverine.
- Deuterium-labeled compound
- Secondary metabolite of mebeverine
- Key circulating metabolite for oral mebeverine
- Used as a tracer and internal standard
- Suitable for quantitative analysis methods
- Purity of 99.0%