Isotopically Labeled Compounds
Sigma Aldrich Fine Chemicals Biosciences Choline-1,1,2,2-d4 bromide 98 atom % D | 285979-69-3 | MFCD01075444 | 1G
Choline-1,1,2,2-d4 bromide 98 atom % D | Mol Wt: 188.1 | 285979-69-3 | MFCD01075444 | 1G
![Medchemexpress LLC Dibenzo[b,d]furan-d8 | 93952-04-6 | 99.9% | 176.24 g/mol | C12D8O | 50 MG](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000300336.png-250.jpg)
Medchemexpress LLC Dibenzo[b,d]furan-d8 | 93952-04-6 | 99.9% | 176.24 g/mol | C12D8O | 50 MG
Dibenzo[b,d]furan-d8 is the deuterium-labeled isotopologue of dibenzo[b,d]furan supplied as a high-purity analytical standard for research use. It serves as a tracer and an internal standard for quantitative NMR, GC-MS, and LC-MS analyses, provided as a powder with specified purity and storage recommendations.
Sigma Aldrich Fine Chemicals Biosciences L-Glutamine-13C5 98 atom % 13C, 95% (CP) | 184161-19-1 | MFCD00144603 | 100MG
L-Glutamine-13C5 98 atom % 13C, 95% (CP) | Purity: 95% (CP) | Mol Wt: 151.11 | 184161-19-1 | MFCD00144603 | 100MG
Medchemexpress LLC (2S,4R)-4-hydroxypyrrolidine-2-carboxylic-2,4,5,5-d4 acid | 2734920-51-3 | 99.9% | 135.15 | C5H5D4NO3 | 1 MG
Deuterium-labeled L-hydroxyproline used as a chiral building block and as an analytical internal standard for quantitative methods. Supplied as a white to off-white solid with high isotopic enrichment and high chemical purity, the compound is intended for research and analytical applications where labeled internal standards are required.
- Deuterium labeled at positions 2, 4, 5, and 5.
- High purity (99.9% HPLC) and high isotopic enrichment.
- Suitable as tracer and internal standard for NMR, GC-MS, and LC-MS quantitative analysis.
- White to off-white solid; stable when stored as powder at -20 °C or in solution at -80 °C.
- Available in small mg quantities (1 MG, 5 MG, 10 MG) for analytical use.
Medchemexpress LLC Decanoic acid-d5 | 1219803-00-5 | 98.3% | 177.30 | C10H15D5O2 | 25 MG
Decanoic acid-d5 is the deuterium-labeled analogue of decanoic (capric) acid provided for research use. It is used as an isotopically labeled standard or tracer in analytical workflows, particularly mass spectrometry and metabolic studies, and is supplied with confirmed chemical and isotopic purity.
- Isotopically labeled (d5) decanoic acid for analytical standards.
- High chemical and isotopic purity for accurate quantitation.
- Available in multiple pre-weighed sizes to suit experimental needs.
- Suitable as an internal standard or tracer in mass spectrometry.
- Provided for research use only; not for human or diagnostic applications.
Medchemexpress LLC Octanedioic acid-d12 | 169397-99-3 | 98.6% | 186.27 | C8H2D12O4 | 5 MG
Suberic acid-d12 (octanedioic acid-d12) is the deuterium-labeled form of suberic acid (CAS 169397-99-3) supplied as a white to off-white solid for laboratory research. It is intended for use as an isotopically labeled standard or tracer in analytical, metabolic, and mass spectrometry applications and is provided with a certificate of analysis confirming purity and characterization.
- Deuterium-labeled octanedioic acid suitable for tracer and internal standard use.
- CAS 169397-99-3.
- Chemical formula C8H2D12O4; molecular weight 186.27.
- Purity 98.6% as supplied.
- White to off-white solid appearance.
- Supplied in small research pack sizes suitable for analytical applications.
- Intended for research use only, not for human or clinical use.
Cambridge Isotope Laboratories ACETIC ACID (1,2-13C2, 99%), 1 G, 16651-47-1
ACETIC ACID (1,2-13C2, 99%), 1 G, 16651-47-1
Medchemexpress LLC 1-dodecanol-d25 | 160776-83-0 | MFCD00144869 | 99.0% | 211.49 | C12HD25O | 50mg
1-Dodecanol-d25 is the deuterium labeled 1-Dodecanol 1-Dodecanol is an endogenous metabolite
Medchemexpress LLC Sitagliptin-d4 phosphate | 1432063-88-1 | 99.5% | C16H14D4F6N5O5P | 10MG
Sitagliptin-d4 phosphate is the deuterium-labeled isotopologue of sitagliptin phosphate provided as an analytical reference standard. It is used as a labeled internal standard in LC-MS and other bioanalytical assays to enable accurate quantification of sitagliptin and to support studies of DPP-4 inhibition.
- Deuterium-labeled internal standard for accurate quantification.
- High purity (≈99.5%) suitable for analytical use.
- Provides clear isotopic distinction in mass spectrometry assays.
- Stable when stored at 4°C; in solvent store at -80°C (6 months) or -20°C (1 month).
- Supplied in small pack sizes convenient for laboratory use.
Medchemexpress LLC Repaglinide-d5 | 1217709-85-7 | MFCD08063596 | 98.7% | 457.62 | C27H31D5N2O4 | 10 MG
Repaglinide-d5 is a deuterium-labeled analogue of repaglinide supplied for research and analytical use. It is intended as an internal standard or tracer for quantitative analysis and method development, and is used to support studies of repaglinide pharmacology and metabolism.
- Deuterium-labeled internal standard for analytical quantification.
- Suitable for LC-MS, GC-MS, and NMR applications.
- High purity to support accurate analytical results.
- Provided as a small research-grade sample for method validation and tracer studies.
Cambridge Isotope Laboratories ANILINE (15N, 98%+), 1 G, 7022-92-6
ANILINE (15N, 98%+), 1 G, 7022-92-6
Cayman Chemical QuInIdIn-d3 2.5mg
An internal standard for the quantification of quinidine by GC- or LC-MS
Cambridge Isotope Laboratories ETHYL BROMOACETATE (1,2-13C2, 99%), 0.5 G, 61898-49-5
ETHYL BROMOACETATE (1,2-13C2, 99%), 0.5 G, 61898-49-5
Cambridge Isotope Laboratories GLYCAN-O31-13C-GAL6 (GALACTOSE-13C6, 99%), 500 PMOL
GLYCAN-O31-13C-GAL6 (GALACTOSE-13C6, 99%), 500 PMOL
![Revvity Health Sciences Inc α-MSH, Nle<sup>4</sup>, D-Phe<sup>7</sup>, [<sup>125</sup>I], 50µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810632.jpg-250.jpg)
Revvity Health Sciences Inc α-MSH, Nle4, D-Phe7, [125I], 50µCi
α-MSH, Nle4, D-Phe7, [125I], 50µCi