Isotopically Labeled Compounds
Medchemexpress LLC L-Ascorbic acid-d2 | 82977-10-4 | 99.90% | 1 MG
L-Ascorbic acid-d2 is the deuterium labeled L-Ascorbic acid. L-Ascorbic acid (L-Ascorbate), an electron donor, is an endogenous antioxidant agent. L-Ascorbic acid inhibits selectively Cav3.2 channels with an IC50 of 6.5 μM. L-Ascorbic acid is also a colla
- 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 PALMITIC ACID (METHYL-D3, 98%), 0.5 G
PALMITIC ACID (METHYL-D3, 98%), 0.5 G
Cambridge Isotope Laboratories DL-SERINE (2,3,3-D3, 98%), 1 G, 70094-78-9
DL-SERINE (2,3,3-D3, 98%), 1 G, 70094-78-9
Medchemexpress LLC Hexadecanamide-13,13,14,14,15,15,16,16,16-d9 | 2260669-51-8 | ≥99.0% | 546.96 g/mol | C34H58D9NO3 | 1 MG
Deuterium-labeled C16-ceramide (d9) intended as an internal standard and tracer for quantitative analyses by NMR, GC-MS, and LC-MS. The d9 isotopic label enables reliable quantitation of C16-ceramide species in biological samples and analytical workflows. Supplied as a high-purity research chemical in a small, convenient quantity for analytical use.
- Deuterium-labeled for use as an internal standard.
- Suitable for NMR, GC-MS, and LC-MS quantitation.
- High reported purity (≥99%).
- Appropriate for tracer studies and quantitative assays.
- Provided in a small analytical quantity for method development.
Cambridge Isotope Laboratories SODIUM PYRUVATE (1-13C, 99%), 1 G, 87976-71-4
SODIUM PYRUVATE (1-13C, 99%), 1 G, 87976-71-4
![Revvity Health Sciences Inc dCTP, [α-<sup>32</sup>P]- 3000Ci/mmol 10mCi/ml , 100 µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502809544.jpg-250.jpg)
Revvity Health Sciences Inc dCTP, [α-32P]- 3000Ci/mmol 10mCi/ml , 100 µCi
dCTP, [α-32P]- 3000Ci/mmol 10mCi/ml , 100 µCi
Cambridge Isotope Laboratories URACIL (1,3-15N2, 98%), 0.25 G, 5522-55-4
URACIL (1,3-15N2, 98%), 0.25 G, 5522-55-4
Cambridge Isotope Laboratories ETHANOLAMINE (1,1,2,2-D4, 98%), 1 G, 85047-08-1
ETHANOLAMINE (1,1,2,2-D4, 98%), 1 G, 85047-08-1
![Revvity Health Sciences Inc Triiodothyronine, L-3, 5, 3'-[<sup>125</sup>I]-, 500 µCi (18.5MBq), Specific Activity: 1080-1320 µCi (40-48.8 MBq)/µg](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810994.jpg-250.jpg)
Revvity Health Sciences Inc Triiodothyronine, L-3, 5, 3'-[125I]-, 500 µCi (18.5MBq), Specific Activity: 1080-1320 µCi (40-48.8 MBq)/µg
Triiodothyronine, L-3, 5, 3'-[125I]-, 500 µCi (18.5MBq), Specific Activity: 1080-1320 µCi (40-48.8 MBq)/µg
Revvity Health Sciences Inc Insulin-like Growth Factor-I (human, recombinant), 5µCi
Insulin-like Growth Factor-I (human, recombinant), 5µCi
Cambridge Isotope Laboratories D-GALACTOSE (1-13C, 99%), 1 G, 70849-30-8
D-GALACTOSE (1-13C, 99%), 1 G, 70849-30-8
Medchemexpress LLC Guanosine 3',5'-cyclic monophosphate (13C,15N2) | MFCD00070129 | 348.18 g·mol⁻1 | C913CH12N315N2O7P | 500 UG
Cyclic GMP-13C,15N2 is a stable-isotope labeled guanosine 3',5'-cyclic monophosphate (cGMP) with 13C and 15N substitutions, supplied as a 500 μg vial. It is intended for use as an internal standard or tracer in quantitative mass spectrometry and metabolic studies of cGMP signaling. Molecular weight 348.18 g·mol⁻1; refer to the certificate of analysis for purity and storage instructions.
- Stable-isotope labeled (13C, 15N) for accurate quantitation.
- Suitable as an internal standard for LC-MS/MS and other analytical methods.
- Supplied as a 500 μg vial for trace-level assays.
- Certificate of analysis available for lot-specific purity and storage conditions.
- Supports studies of nitric oxide and natriuretic peptide signaling pathways.
Medchemexpress LLC α-terpineol-d3 | 203633-12-9 | 98.1% | 157.27 g/mol | C10H15D3O | 10 MG
α-Terpineol-d3 is the deuterium-labeled isotopologue of α-terpineol provided as a stable-isotope reference standard for analytical and research use. It is intended for use as an internal standard and tracer in mass spectrometry and isotope-labeling studies, and is supplied in research-scale quantities for analytical workflows.
- Deuterium-labeled internal standard for mass spectrometry.
- Suitable for GC-MS and LC-MS quantitative analyses.
- High chemical purity (~98.1%).
- Provided in a small package size appropriate for analytical work (10 mg).
- Useful for tracer and isotope-labeling experiments and method development.
Medchemexpress LLC 1,2-dibromoethane-d4 | 22581-63-1 | MFCD00037499 | >98.0% | 191.89 g·mol⁻¹ | C2Br2D4 | 100 MG
1,2-dibromoethane-d4 is the deuterium-labeled analogue of ethylene dibromide supplied as a neat liquid for use as an isotopic reagent, internal standard, or NMR solvent in research and synthetic applications. The product has formula C2Br2D4, CAS 22581-63-1, and a molecular weight of approximately 191.89 g·mol⁻¹. It is provided with high isotopic enrichment and chemical purity for analytical reliability. For research use only, not for human consumption.
- Deuterium-labeled (d4) for isotopic tracing and NMR applications.
- High isotopic enrichment suitable for quantitative analysis.
- Chemical purity typically >98.0% to ensure analytical reliability.
- Useful as an internal standard and reagent in synthesis and spectroscopy.
- Liquid form with formula C2Br2D4 and molecular weight 191.89 g·mol⁻¹.
- Store cold (refrigerated or -20°C recommended) to preserve stability.