Isotopically Labeled Compounds
![Cambridge Isotope Laboratories GLYCAN-N34-13C-GAL6,6',6'' ([GALACTOSE-13C6, 99%]3)*, 500 PMOL](https://assets.fishersci.com/TFS-Assets/CCG/product-images/VN00015402-CIL-LOGO.JPG-250.jpg){kind=logo}
Cambridge Isotope Laboratories GLYCAN-N34-13C-GAL6,6',6'' ([GALACTOSE-13C6, 99%]3)*, 500 PMOL
GLYCAN-N34-13C-GAL6,6',6'' ([GALACTOSE-13C6, 99%]3)*, 500 PMOL
Cambridge Isotope Laboratories RESVERATROL (4-HYDROXYPHENYL-13C6, 99%), 10 MG, 1185247-70-4
RESVERATROL (4-HYDROXYPHENYL-13C6, 99%), 10 MG, 1185247-70-4
Medchemexpress LLC Deruxtecan-d5 | 98.4% | 1039.08 | 25 MG
Deruxtecan-d5 is a deuterium-labeled version of Deruxtecan, an ADC (Antibody-Drug Conjugate) drug-linker conjugate. It consists of a DX-8951 derivative and a maleimide-GGFG peptide linker, and is utilized in the synthesis of DS-8201 and U3-1402. This compound is intended for research use, specifically as a tracer or an internal standard for quantitative analysis methods like NMR, GC-MS, or LC-MS.
- Deuterium labeled compound
- Can be used as a tracer
- Internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Used for synthesizing DS-8201 and U3-1402
- Off-white to light yellow solid
- For research use only
- Store at -20°C, sealed, away from moisture and light. In solvent, store at -80°C for 6 months or -20°C for 1 month.
Medchemexpress LLC Glycine-1-13C,15N | 112898-03-0 | MFCD00064425 | 99.5% | 77.05 g·mol⁻¹ | C13CH515NO2 | 25mg
Glycine-1-13C 15N is the 13C- and 15N-labeled Glycine Glycine is an inhibitory neurotransmitter in the CNS and also acts as a co-agonist along with glutamate facilitating an excitatory potential at the glutaminergic N-methyl-D-aspartic acid (NMDA) receptors
Medchemexpress LLC L-cystine-d4 | 1192736-38-1 | 98.0% | 244.33 | C6H8D4N2O4S2 | 10 MG
L-Cystine-d4 is the deuterium-labeled form of the amino acid L-cystine, provided as a high-purity stable isotope reagent for analytical and metabolic studies involving cystine metabolism and redox biology.
- Deuterium-labeled for isotope tracing and internal standard use.
- High purity (98.0%) suitable for analytical applications.
- Molecular weight 244.33 g/mol; molecular formula C6H8D4N2O4S2.
- Supplied as a 10 mg quantity for small-scale analytical workflows.
- Applicable to metabolomics, proteomics, and NMR studies.
Cambridge Isotope Laboratories ANILINE (15N, 98%+), 1 G, 7022-92-6
ANILINE (15N, 98%+), 1 G, 7022-92-6
Medchemexpress LLC (Rac)-Cotinine-d3 | 110952-70-0 | 99.9% | 179.23 | C10H9D3N2O | 10 MG
(Rac)-Cotinine-d3 is the deuterium-labeled racemic form of cotinine used as a stable isotope internal standard and tracer in analytical chemistry and bioanalysis. It is intended for use in quantitative mass spectrometry assays and metabolic studies where isotopically labeled standards improve accuracy and precision.
- Deuterium-labeled internal standard for LC-MS/MS quantitation.
- Racemic form compatible with assays targeting cotinine and metabolites.
- High purity (99.9%) to minimize background interference.
- Available in small milligram quantities for analytical workflows.
- Molecular weight 179.23 and molecular formula C10H9D3N2O.
Medchemexpress LLC D-(+)-xylose-2-13C | 131771-69-2 | 99.9% | 151.12 | C5H10O5 (13C at C-2) | 10 MG
Xylose-2-13C is a 13C-labelled form of D-xylose provided as a solid tracer and analytical standard for metabolic and analytical studies. It is suitable as an internal standard or tracer for NMR, GC-MS, and LC-MS quantitative analyses and can be used in biochemical or microbial fermentation research as a carbon source.
- Contains 10 mg of material.
- Purity 99.89%.
- Isotope labeling: 13C at the 2-position.
- CAS number 131771-69-2.
- Molecular weight 151.12 g/mol.
- Solubility: in DMSO ~50 mg/mL; requires ultrasonic and warming; hygroscopic DMSO affects solubility.
- Storage: store protected from light; in solvent: -80°C for 6 months, -20°C for 1 month.
- Appearance: white to off-white solid.
- Intended uses include tracer studies and use as an internal standard in analytical workflows.
Medchemexpress LLC D-Glucose-13C-1 | 84270-10-0 | 99.9% | 1 MG
D-Glucose-13C-1 is the 13C labeled D-Glucose, a monosaccharide and important carbohydrate in biology. It serves as a critical signaling molecule in relation to both cellular metabolic status and biotic and abiotic stress response.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC 1,2-propylene-d6 carbonate | 202480-74-8 | MFCD00142486 | 98.7% | 108.13 | C4D6O3 | 50 MG
1,2-Propylene-d6 carbonate is the deuterium-labeled analogue of 1,2-propylene carbonate used as an analytical tracer and internal standard for quantitative NMR, GC-MS, and LC-MS. It is supplied as a high-purity, isotopically labeled small-molecule reagent for method development, calibration, and quantitation workflows.
- Deuterium-labeled (d6) isotopologue for mass and NMR differentiation.
- High purity (98.65%) suitable for analytical applications.
- Molecular weight 108.13 and chemical formula C4D6O3.
- Intended use as a tracer and internal standard for NMR, GC-MS, and LC-MS.
- Available in small package sizes for analytical and method development.
- Compatible with quantitative workflows and calibration procedures.
Medchemexpress LLC Spermine-d8 tetrahydrochloride | 1173022-85-9 | 95% | 1 MG
Spermine-d8 tetrahydrochloride | 1173022-85-9 | 95% | 1 MG
Medchemexpress LLC L-cysteine-d3 | 214782-32-8 | MFCD12546019 | 99.2% | 124.18 | C3H4D3NO2S | 10mg
L-Cysteine-d3 is the deuterium labeled L-Cysteine L-Cysteine is a conditionally essential amino acid which acts as a precursor for biologically active molecules such as hydrogen sulphide (H2S) glutathione and taurine L-Cysteine suppresses ghrelin and reduces appetite in rodents and humans[1]
Medchemexpress LLC D-glucose-13C | 101615-88-7 | 99.7% | 181.15 | C₅¹³CH₁₂O₆ | 10 MG
D-Glucose-13C is a stable isotope-labeled form of D-glucose used as a metabolic tracer for studies of glucose utilization and metabolic flux. It is suitable for mass spectrometry and NMR applications where 13C labeling enables tracing of carbon flow through biochemical pathways.
- High isotopic labeling (13C) for metabolic tracing.
- High purity: 99.7%.
- Molecular weight: 181.15 g/mol.
- Available in small research pack sizes, including 10 mg.
- Suitable for MS and NMR-based metabolic studies.
Cambridge Isotope Laboratories DL-ASPARTIC ACID (4-13C, 99%), 0.5 G, 68315-35-3
DL-ASPARTIC ACID (4-13C, 99%), 0.5 G, 68315-35-3
Cambridge Isotope Laboratories METHYL METHACRYLATE (D8, 98%) 10-100 PPM HYDROQUINONE, 5 G, 35233-69-3
METHYL METHACRYLATE (D8, 98%) 10-100 PPM HYDROQUINONE, 5 G, 35233-69-3