Isotopically Labeled Compounds
Cambridge Isotope Laboratories gamma-HCH (gamma-BHC) (lindane) (13C6 99% D6 99%) 100 ug/mL in nonane 1 2 mL
gamma-HCH (gamma-BHC) (lindane) (13C6 99% D6 99%) 100 ug/mL in nonane 1 2 mL
Medchemexpress LLC L-ornithine-d6 hydrochloride | 347841-40-1 | >98.0% | 174.66 g/mol | C5H7D6ClN2O2 | 10 MG
L-Ornithine-d6 hydrochloride is the deuterium-labeled form of L-ornithine supplied as the monohydrochloride salt. It is intended for use as an isotope-labeled reference standard in metabolomics, mass spectrometry, and quantitative analytical workflows where a labeled internal standard or tracer is required.
- Deuterium-labeled (d6) analog for isotope dilution workflows.
- Provided as the monohydrochloride salt for stability and solubility.
- Typical isotopic enrichment ≥98 atom % D.
- Chemical purity ≥98%.
- Molecular weight 174.66 g/mol.
- Suitable as an internal standard for LC-MS and GC-MS assays.
![Revvity Health Sciences Inc Triiodothyronine, ([<sup>125</sup>I]-T3), L-3,5,3'-[<sup>125</sup>I]-, 250 µCi (9.25 MBq), Specific Activity: 135-165 µCi (5.00-6.11 MBq)/µg](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502812348.jpg-250.jpg)
Revvity Health Sciences Inc Triiodothyronine, ([125I]-T3), L-3,5,3'-[125I]-, 250 µCi (9.25 MBq), Specific Activity: 135-165 µCi (5.00-6.11 MBq)/µg
Triiodothyronine, ([125I]-T3), L-3,5,3'-[125I]-, 250 µCi (9.25 MBq), Specific Activity: 135-165 µCi (5.00-6.11 MBq)/µg
Cayman Chemical DecnoIc AcId-d2 10mg
An internal standard for the quantification of decanoic acid by GC- or LC-MS
Cayman Chemical DorIpenm-d4sodIum salt 1mg
An internal standard for the quantification of doripenem by GC- or LC-MS
Medchemexpress LLC 1-bromoheptane-d5 | 1219805-66-9 | 95.0% | 184.13 g·mol⁻¹ | C7H10D5Br | 25 MG
1-Bromoheptane-d5 (CAS 1219805-66-9) is the deuterium-labeled analogue of 1-bromoheptane supplied as a research reagent and reference standard. It is used in analytical chemistry, mass spectrometry, tracer studies, and synthetic chemistry where isotopic labeling enables accurate quantification and tracking.
- Deuterium-labeled (d5) to enable mass-differentiation in MS analyses.
- Suitable as an internal standard for quantitative assays.
- Liquid, ready for use in synthetic and analytical workflows.
- Molecular formula C7H10D5Br and molecular weight 184.13 g·mol⁻¹.
- Available in small pack sizes appropriate for research use.
Medchemexpress LLC Methyl palmitate-13C16 | 112-39-0 | 99.8% | 286.33 | C13C16H34O2 | 10 MG
Methyl palmitate-13C16 is a 13C-labeled isotopologue of methyl palmitate supplied as a high-purity stable-isotope reference for analytical workflows and mass spectrometry. It is intended for use as an internal standard to improve quantitation and peak identification in LC-MS and GC-MS analyses.
- 13C16-labeled isotopologue for isotope-dilution quantitation.
- High purity: 99.8%.
- Molecular formula C13C16H34O2; molecular weight 286.33 g/mol.
- Available in small preweighed quantities, including 10 MG.
- Suitable as an internal standard for mass spectrometry analyses.
Cayman Chemical ProstaglndIn B2-d4 50ug
An internal standard for the quantification of PGB2 by GC- or LC-MS.
Sigma Aldrich Fine Chemicals Biosciences L-Valine-13C5,15N 98 atom % 15N, 98 atom % 13C, 95% (CP) | 202407-30-5 | MFCD00144708 | 1G
L-Valine-13C5,15N 98 atom % 15N, 98 atom % 13C, 95% (CP) | Purity: 95% (CP) | Mol Wt: 123.1 | 202407-30-5 | MFCD00144708 | 1G
Medchemexpress LLC Vardenafil-d5 hydrochloride | 224785-91-5 | 98.7% | 530.09 g/mol | C23H28D5ClN6O4S | 10 MG
Deuterium-labeled vardenafil hydrochloride supplied as a powder for use as an analytical reference and research standard. It is the hydrochloride salt of vardenafil with deuterium labeling (d5), provided in small milligram quantities for analytical and method development work.
- Deuterated internal standard for analytical assays.
- High purity suitable for reference use.
- Molecular weight 530.09 g/mol, consistent with d5 hydrochloride.
- Supplied as a powder in small package sizes for laboratory use.
- Intended for research use only; not for human or clinical use.
Cambridge Isotope Laboratories D-GLUCOSE (4-13C, 99%), 1 G, 84270-10-0
D-GLUCOSE (4-13C, 99%), 1 G, 84270-10-0
Cambridge Isotope Laboratories OXALIC ACID (1,2-13C2, 99%), 0.5 G
OXALIC ACID (1,2-13C2, 99%), 0.5 G
Sigma Aldrich Fine Chemicals Biosciences Benzoic acid-alpha-13C 99 atom % 13C | 3880-99-7 | MFCD00002399 | 1G
Benzoic acid-alpha-13C 99 atom % 13C | Mol Wt: 123.11 | 3880-99-7 | MFCD00002399 | 1G
Medchemexpress LLC Hydroxylamine-d3 hydrochloride | 15588-23-5 | MFCD00075189 | 99.0% | 72.51 | ClHD3NO | 100mg
Hydroxylamine-d3 (hydrochloride) is the deuterium labeled Hydroxyamine hydrochloride Hydroxylamine hydrochloride is a selective Monoamine oxidase (MAO) inhibitor used for inhibiting of platelet aggregation Hydroxylamine hydrochloride is an intermediate of nitrogen cycle in aerobic ammonium oxidizers microorganisms such as ammonium oxidizing bacteria (AOB) ammonium oxidizing archaea (AOA) and complete ammonium oxidizing bacteria (comammox) Hydroxylamine hydrochloride impacts NO and N2O emissions by aerobic ammonium oxidizers microorganisms and inhibits nitrite oxidizing bacteria (NOB) activity[1][2][3]