Isotopically Labeled Compounds
Medchemexpress LLC L-Tryptophan-α,β,β,2,4,5,6,7-d8 | 1233395-93-1 | 212.27 | 25 MG
L-Tryptophan-d8 is the deuterium labeled L-Tryptophan. L-Tryptophan (Tryptophan) is an essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3. It is for research use only and not sold to patients.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Stable heavy isotopes of hydrogen, carbon, and other elements incorporated into drug molecules for quantitation during drug development
- Deuteration can potentially affect the pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC Vitamin D3-d3 | 80666-48-4 | C27H41D3O | 1 MG
Vitamin D3-d3 is the deuterium labeled Vitamin D3. Vitamin D3 (Cholecalciferol; Colecalciferol) is a naturally occurring form of vitamin D. It induces cell differentiation and prevents proliferation of cancer cells.
- Deuterium labeled vitamin D3
- Naturally occurring form of vitamin D
- Induces cell differentiation
- Prevents proliferation of cancer cells
- 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 Benzoic acid calibrant for qNMR 15mM benzoic acid in DMSO-D6 1 g amp
Benzoic acid calibrant for qNMR 15mM benzoic acid in DMSO-D6 1 g amp
Cambridge Isotope Laboratories 1 2 4 5-Tetrachlorobenzene (13C6 99%) 0 1 g
1 2 4 5-Tetrachlorobenzene (13C6 99%) 0 1 g
Medchemexpress LLC Octanoic acid-d3 | 156779-05-4 | 99.1% | 147.23 | 25 MG
Octanoic acid-d3 is the deuterium labeled Octanoic acid. Octanoic acid (Caprylic acid) is an oily liquid with a slightly unpleasant rancid taste and used commercially in the production of esters used in perfumery and also in the manufacture of dyes.
- 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.
Cambridge Isotope Laboratories D-GLUCOSE (6-13C, 99%), 0.5 G, 106032-62-6
D-GLUCOSE (6-13C, 99%), 0.5 G, 106032-62-6
Sigma Aldrich Fine Chemicals Biosciences Ntrogen 15N2 98 atom 15N500ML
NITROGEN Ntrogen 15N2 98 atom 15N500ML
Medchemexpress LLC Bisphenol A-d16 | 96210-87-6 | MFCD29073707 | 100.0% | 244.38 g/mol | C15D16O2 | 10 MG
Bisphenol A-d16 is a deuterium-labeled isotopologue of bisphenol A intended for research and analytical applications. It is used as a stable isotope internal standard and tracer in quantitative mass spectrometry and toxicology studies, providing consistent, traceable results for analytical workflows.
- Deuterium-labeled internal standard for quantitative assays.
- High isotopic enrichment for accurate mass spectrometry measurements.
- High chemical purity suitable for analytical use.
- Supplied in a small vial for trace-level standard preparation.
- Useful for isotope dilution and tracer studies.
Cambridge Isotope Laboratories O O-Dimethyl thiophosphate potassium salt (dimethyl-D6 98%) 2 mg/mL in methanol 1 2 mL
O O-Dimethyl thiophosphate potassium salt (dimethyl-D6 98%) 2 mg/mL in methanol 1 2 mL
Medchemexpress LLC 4-Butylaniline-d9 | 1219794-78-1 | 97.2% | 158.29 | C10H6D9N | 1mg
4-Butylaniline-d9 is the deuterium labeled 4-Butylaniline[1]
Cayman Chemical 5-BromopentnoIc AcId-d4 1mg
An internal standard for the quantification of 5-bromopentanoic acid by GC- or LC-MS
Medchemexpress LLC Suberic acid-d4 (octanedioic acid-d4) | 19031-57-3 | 99.9% | 178.22 | C8H10D4O4 | 50 MG
Suberic acid-d4 (octanedioic acid-d4) is the deuterated analogue of suberic acid supplied as a high-purity solid for use as a stable isotope internal standard in analytical workflows. It is intended for LC-MS quantification, metabolic tracing, and analytical method development.
- Deuterium-labeled stable isotope standard.
- High chemical and isotopic purity (99.93%).
- Solid form with white to light yellow appearance.
- Suitable for LC-MS and method development applications.
- Available in small analytical package sizes, including 50 mg.
- Recommended storage: powder at -20°C (stable up to 3 years).
Cambridge Isotope Laboratories PALMITIC ACID (1-13C, 99%), 10 G, 57677-53-9
PALMITIC ACID (1-13C, 99%), 10 G, 57677-53-9
Cambridge Isotope Laboratories Terephthalic acid (ring-D4 98%) 1 g
Terephthalic acid (ring-D4 98%) 1 g
Cayman Chemical ResolvIn D3 methyl ester 10UG
A methyl ester form of resolvin D3; may act as a lipophilic prodrug form that will alter its distribution and pharmacokinetic properties