Isotopically Labeled Compounds
Cayman Chemical (±)-Climbazole-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 1185117-79-6, 1 mg
An internal standard for the quantification of climbazole by GC- or LC-MS
Cambridge Isotope Laboratories Desethylatrazine (ring-13C3 99%) 100 ug/mL in acetonitrile 1 2 mL
Desethylatrazine (ring-13C3 99%) 100 ug/mL in acetonitrile 1 2 mL
Medchemexpress LLC D-Erythrose-4-13C 25mg | 90913-08-9 | 121.10 g/mol | C4H8O4 (13C-labeled at C-4) | 25 MG
D-Erythrose-4-13C is the carbon-13 labeled form of D-erythrose supplied as an aqueous solution for laboratory research. It is used as a stable-isotope tracer and as an internal standard for quantitative analyses by NMR, GC-MS, and LC-MS. Typical purity is 99.18% and the material is stored at -20°C for long-term stability.
- Used as a stable-isotope tracer for metabolic and pathway studies.
- Suitable as an internal standard for quantitative NMR, GC-MS, and LC-MS.
- Provided as an aqueous solution for convenient handling.
- High chemical purity for accurate analytical measurements.
- Store at -20°C for long-term stability.
Medchemexpress LLC HEPES-d18 | 203805-87-2 | 99.9% | 25 MG
HEPES-d18 is the deuterium labeled HEPES. It is a nonvolatile zwitterionic chemical buffering agent widely used in cell culture, effective at pH 6.8 to 8.2, and also a potent inducer of lysosome biogenesis. This compound can be used as a tracer or 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.
- Deuteration has the potential to affect pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Arachidic acid-d3 | 202480-70-4 | 315.55 | 5 MG
Arachidic acid-d3 is a deuterium-labeled version of Arachidic acid. Arachidic acid, also known as Eicosanoic acid, is a long-chain saturated fatty acid found in the human body within plasma phospholipids, fish, cannabis, and other plant oils. When conjugated with Chitosan oligosaccharide, Arachidic acid can be used in anti-cancer drug delivery research.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis through NMR, GC-MS, or LC-MS.
- Deuterium substitution has the potential to influence the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Prazosin-d8 Hydrochloride | 1189508-34-6 | 99.8% | 5 MG
Prazosin-d8 hydrochloride is the deuterium labeled Prazosin hydrochloride. Prazosin hydrochloride is an alpha-adrenergic blocker.
- 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 EDTA (D16, 98%), 0.5 G, 203805-96-3
EDTA (D16, 98%), 0.5 G, 203805-96-3
Cayman Chemical Salicylic Acid-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 78646-17-0, 50 mg
An internal standard for the quantification of salicylic acid by GC- or LC-MS
Medchemexpress LLC Sulfabrom-d4 | 2374858-36-1 | 361.25 | 5 MG
Sulfabrom-d4 (N 3517-d4) is the deuterium labeled Sulfabrom. It is a long-acting Sulfonamide used for the treatment of coccidiosis and various bacterial infections in poultry, swine, and cattle.
- Target: Isotope-labeled compounds
- Pathway: Others
- Solvent and solubility: DMSO at 100 mg/mL (276.82 mM); need ultrasonic
- Caution: Product has not been fully validated for medical applications. For research use only.
Cambridge Isotope Laboratories GLYCINE (1-13C, 99%), 1 G, 20110-59-2
GLYCINE (1-13C, 99%), 1 G, 20110-59-2
![Revvity Health Sciences Inc Deoxy-D-glucose, 2-[1-14C]-, Aqueous Solution, 50 µCi (1.85 MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502812309.jpg-250.jpg)
Revvity Health Sciences Inc Deoxy-D-glucose, 2-[1-14C]-, Aqueous Solution, 50 µCi (1.85 MBq)
Deoxy-D-glucose, 2-[1-14C]-, Aqueous Solution, 50 µCi (1.85 MBq)
Cayman Chemical Methiocarb-d3, Purity: ≥99% deuterated forms (d1-d3), CAS: 1581694-94-1, 5 mg
An internal standard for the quantification of methiocarb by GC- or LC-MS
Cayman Chemical Orlistat-d3, Purity: ≥99% deuterated forms (d1-d3), CAS: 1356930-46-5, 1 mg
An internal standard for the quantification of orlistat by GC- or LC-MS
Medchemexpress LLC Pentadecanoic-d29 acid, 1,2,3-propanetriyl ester | 352431-43-7 | 99.2% | C48H5D87O6 | 10MG
Tripentadecanoin-d29 is a deuterium-labeled triglyceride standard used as an isotopic tracer and internal standard for quantitative lipid analysis. It provides mass-shifted fatty acyl chains for unambiguous detection and accurate quantification in mass spectrometry and NMR workflows.
- Deuterium-labeled triglyceride standard for analytical and tracer applications.
- Suitable as an internal standard for quantitative mass spectrometry and NMR.
- High isotopic enrichment (d29) for clear mass distinction from natural lipids.
- High purity (99.2%) for reliable quantification and reproducibility.
- Supplied in small analytical quantity (10 mg) for method development and validation.
- Molecular formula C48H5D87O6, molecular weight 852.78.
Medchemexpress LLC Benzamide-15N | 31656-62-9 | 100mg
Benzamide-15N is a 15N-labeled Benzamide Benzamide inhibits poly(ADP-ribose) polymerase (PARP)[1][2]