Isotopically Labeled Compounds
Medchemexpress LLC N,N-dimethyl-4-(phenyldiazenyl)aniline-d5 | 1398109-08-4 | MFCD22565739 | 99.0% | 230.32 | C14H10D5N3 | 5 MG
Methyl yellow-d5 is the deuterium-labeled analogue of methyl yellow (Solvent Yellow 2), provided as a stable isotope standard for analytical and tracer applications. It is supplied as a high-purity solid reference material suitable for use as an internal standard in mass spectrometry and method development.
- High isotopic purity suitable for internal standard use.
- Compatible with mass spectrometry and liquid chromatography methods.
- Supplied as a stable, solid isotope-labeled standard for analytical workflows.
- Available in small milligram pack sizes for reference and validation.
- Documentation available includes certificate of analysis and safety data sheet for traceability.
Cayman Chemical GabapentIn-d4 500ug
An internal standard for the quantification of gabapentin by GC- or LC-MS
Cambridge Isotope Laboratories URSODEOXYCHOLIC ACID (2,2,4,4-D4, 98%), 50 MG, 347841-46-7
URSODEOXYCHOLIC ACID (2,2,4,4-D4, 98%), 50 MG, 347841-46-7
Medchemexpress LLC Succinic acid-d6 | 21668-90-6 | 124.13 | 5 MG
Succinic acid-d6 is a deuterium-labeled form of succinic acid, an essential intermediate in the tricarboxylic acid cycle and a product of anaerobic metabolism. This stable isotope can be employed as a tracer and an internal standard for quantitative analysis using techniques such as NMR, GC-MS, or LC-MS. It is presented as a white to off-white solid.
- Used as a tracer in metabolic studies.
- Serves as an internal standard for quantitative analytical methods.
- Key intermediate in the tricarboxylic acid cycle.
- Product of anaerobic metabolism.
- Recommended storage at 4°C, sealed, away from moisture.
Cayman Chemical Tolfenamic Acid-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 1246820-82-5, 5 mg
An internal standard for the quantification of tolfenamic acid by GC- or LC-MS
Cambridge Isotope Laboratories GLYCAN-O25-13C-GAL6 (GALACTOSE-13C6, 99%), 500 PMOL
GLYCAN-O25-13C-GAL6 (GALACTOSE-13C6, 99%), 500 PMOL
Medchemexpress LLC Benzyl benzoate-d12 | 352431-26-6 | 99.9% | 5 MG
Benzyl benzoate-d12 is a deuterium-labeled form of Benzyl benzoate, also known as Benzoic acid benzyl ester-d12. It serves as a fragrance ingredient in cosmetic products and is utilized in research for Scabies and Demodex-associated inflammatory skin conditions. It is for research use only and not sold to patients. Deuteration, the incorporation of stable heavy isotopes of hydrogen, carbon, and other elements, is a key feature, offering potential benefits by affecting the pharmacokinetic and metabolic profiles of drugs during development.
- Used as a fragrance ingredient in cosmetic products.
- Utilized in research for Scabies and Demodex-associated inflammatory skin conditions.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Deuteration affects the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC 2-aminoethanesulfonic acid-13C2 | 70155-54-3 | MFCD01075566 | 99.0% | 127.13 g/mol | 13C2H7NO3S | 10 MG
Taurine-13C2 is a 13C-labeled form of taurine (2-aminoethanesulfonic acid) provided as a stable isotope standard for analytical and research use. It is supplied as a neat powder intended for use as an internal standard in mass spectrometry, isotope-dilution assays, and metabolic tracer studies.
- 13C2-labeled taurine for use as an internal standard and tracer.
- High isotopic enrichment and 99.0% purity.
- Neat powder form, suitable for mass spectrometry and analytical workflows.
- Small-mass package formats for isotope-dilution and tracer studies.
- Molecular weight 127.13 g/mol; CAS number 70155-54-3.
Medchemexpress LLC Prednisolone-d7 | 367.49 | 1 MG
Prednisolone-d7 is a deuterium-labeled compound of Prednisolone, suitable for research applications. This product requires specific storage conditions to maintain its stability, with powder formulations stable for up to 3 years at -20°C and 2 years at 4°C. When in solvent, it remains stable for 6 months at -80°C and 1 month at -20°C.
- For research use only
- Not fully validated for medical applications
- Store powder at -20°C for up to 3 years
- Store powder at 4°C for up to 2 years
- Store in solvent at -80°C for up to 6 months
- Store in solvent at -20°C for up to 1 month
Cambridge Isotope Laboratories Fatty Acid Algal Extract (U-13C 98%) 0 25 g
Fatty Acid Algal Extract (U-13C 98%) 0 25 g
Medchemexpress LLC Deoxycholic acid | 83-44-3 | 392.57 | 500 MG
Deoxycholic acid (cholanoic acid), a bile acid, is a by-product of intestinal metabolism that activates the G protein-coupled bile acid receptor TGR5. It is for research use only and not sold to patients.
- Activates the G protein-coupled bile acid receptor TGR5.
- Functions as a microbial metabolite.
- Functions as a human endogenous metabolite.
- In vitro, it induces production of gastric cancer cell line MGC803 resistant to acidified bile acids, enhancing survival and proliferation activity under bile acid stress.
- DCA-induced resistant cells show altered morphology, elevated telomerase activity, improved cell viability, and reduced apoptosis compared to normal MGC803 cells.
Medchemexpress LLC Trioctylamine-d6 | 1219798-90-9 | 99.1% | 359.71 | 1 MG
Trioctylamine-d6 is the deuterium labeled Trioctylamine. It is used as a tracer and as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS. Deuteration has gained attention due to 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
- Deuteration has potential to affect pharmacokinetic and metabolic profiles of drugs
Cambridge Isotope Laboratories Ethyl bromoacetate (1-13C 99%) 0 5 g
Ethyl bromoacetate (1-13C 99%) 0 5 g
Medchemexpress LLC Boc-Leu-OH H2O-d3 100mg
Boc-Leu-OH H2O-d3 is the deuterium labeled Boc-Leu-OH H2O[1]
