Isotopically Labeled Compounds
Medchemexpress LLC Darolutamide-d4 | 2484757-20-0 | 98.6% | 402.87 g/mol | C19H15D4ClN6O2 | 10 MG
Darolutamide-d4 is a deuterium-labeled analogue of the androgen receptor antagonist darolutamide supplied as a solid for research use. It is used as a tracer or internal standard in quantitative analytical methods such as NMR, GC-MS, and LC-MS and reflects the parent compound's AR antagonist profile.
- Deuterium-labeled internal standard for analytical assays.
- Intended for research use only; not for human or clinical use.
- High purity (≈98.6%).
- Soluble in DMSO at 100 mg/mL; sonication recommended.
- Powder storage: -20°C (multi-year stability); in solution: -80°C for long-term storage.
- White to off-white solid; molecular weight ~402.87 g/mol.
Medchemexpress LLC Boc-Leu-OH H2O-d3 50mg
Boc-Leu-OH H2O-d3 is the deuterium labeled Boc-Leu-OH H2O[1]
Cambridge Isotope Laboratories L-ASPARTIC ACID (3-13C, 98-99%), 0.25 G
L-ASPARTIC ACID (3-13C, 98-99%), 0.25 G
Medchemexpress LLC Dimetridazole-d3 (1,2-Dimethyl-5-nitroimidazole-d3) | 64678-69-9 | 99.8% | 1 MG
Dimetridazole-d3 (1,2-Dimethyl-5-nitroimidazole-d3) is a deuterium-labeled version of Dimetridazole, a nitroimidazole antibiotic that inhibits protein synthesis in Campylobacter jejuni cultures and has genotoxic properties. This compound is suitable for research on protozoal and bacterial infections.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Deuteration can influence the pharmacokinetic and metabolic profiles of drugs.
Sigma Aldrich Fine Chemicals Biosciences Glycodeoxycholic-2,2,4,4-d4 acid >=98 atom % D, >=98% (CP) | 1069132-37-1 | MFCD06658888 | 5MG
Glycodeoxycholic-2,2,4,4-d4 acid >=98 atom % D, >=98% (CP) | Purity: >=98% (CP) | Mol Wt: 453.65 | 1069132-37-1 | MFCD06658888 | 5MG
Medchemexpress LLC Nonadecane (Standard) | 629-92-5 | 10 MG
Nonadecane (Standard) is an analytical standard intended for research and analytical applications. It serves as a reference for assays and is commonly utilized in qualitative, quantitative, and methodological research experiments including HPLC, GC, and MS. With a molecular weight of 268.52 and formula C19H40, this product appears as a white to off-white solid. It boasts a purity of 99.60%.
- Analytical standard for Nonadecane
- Intended for research and analytical applications
- Can be used as a herbicide for weed control in Dendrobium orchids
- Reference standard for assays
- Commonly used in HPLC, GC, and MS experiments
- White to off-white solid appearance
- High purity of 99.60%
Medchemexpress LLC Mephenytoin-d5 | 1185032-66-9 | >98.72% | 1 MG
Mephenytoin-d5 is a deuterium labeled form of Mephenytoin, an anticonvulsant that acts as a substrate for CYP2C19 and CYP2B6. It is commonly utilized as a tracer and internal standard for quantitative analysis methods such as NMR, GC-MS, or LC-MS.
- Can be used as a tracer for quantitative analysis
- Can be used as an internal standard for quantitative analysis
- Deuteration may affect pharmacokinetic and metabolic profiles
Cayman Chemical 6-MethylmercaptopurIn-d3 1mg
An internal standard for the quantification of 6-MMP by GC- or LC-MS
Medchemexpress LLC L-tyrosine-d3 | 71939-39-4 | 99.0% | 184.21 g/mol | C9H8D3NO3 | 10 MG
L-Tyrosine-d3 is the deuterium-labeled form of L-tyrosine supplied as a solid stable isotope standard for analytical and research use. It is used as a tracer and internal standard in quantitative methods such as NMR, GC-MS, and LC-MS, and may be used in metabolic studies involving citrate synthase activity in the posterior cortex.
- Deuterium-labeled tracer and internal standard for NMR, GC-MS, and LC-MS.
- High purity (≈99.0%) suitable for analytical applications.
- Solid, white to off-white appearance for easy handling.
- Storage: powder stable at -20°C (3 years) and 4°C (2 years); in solvent store at -80°C (6 months) or -20°C (1 month).
- Molecular weight 184.21 g/mol; formula C9H8D3NO3.
Cambridge Isotope Laboratories cis-DCCA (1 carboxyl-13C2 99% 1-D 97%) 100 ug/mL in MTBE 1 2 mL
cis-DCCA (1 carboxyl-13C2 99% 1-D 97%) 100 ug/mL in MTBE 1 2 mL
Cambridge Isotope Laboratories D-GLUCOSE (2-13C, 99%), 0.5 G, 105931-74-6
D-GLUCOSE (2-13C, 99%), 0.5 G, 105931-74-6
Cambridge Isotope Laboratories 2-BROMOPROPANE (D7, 98%), 10 G, 39091-63-9
2-BROMOPROPANE (D7, 98%), 10 G, 39091-63-9
Medchemexpress LLC Tolbutamide-d9 | 1219794-57-6 | 99.0% | 1 MG
Tolbutamide-d9 is a deuterium-labeled Tolbutamide. Tolbutamide is classified as a first-generation potassium channel blocker and a sulfonylurea oral hypoglycemic agent. This compound can be used as a tracer or an internal standard for quantitative analysis.
- Used as a tracer in drug development
- Serves as an internal standard for quantitative analysis by techniques such as NMR, GC-MS, or LC-MS
- Incorporates stable heavy isotopes into drug molecules
- Deuteration may influence pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC D-Glucose-d1 | 56570-89-9 | 99.9% | 5 MG
D-Glucose-d is the deuterium labeled D-Glucose. D-Glucose (Glucose), a monosaccharide, is an important carbohydrate in biology. It is a carbohydrate sweetener and a critical component of general metabolism, serving as a critical signaling molecule. Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules, primarily as tracers for quantitation during the drug development process. Deuteration has gained attention due to its potential to affect the pharmacokinetic and metabolic profiles of drugs. The product is for research use only.
- Application as a tracer.
- Internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Deuterium labeling provides a means for tracing during drug development.
Medchemexpress LLC D-Glucose-d1-4 | 106032-61-5 | 98.0% | 50 MG
D-Glucose-d1-4 is the deuterium labeled D-Glucose, a monosaccharide and important carbohydrate in biology. It serves as a carbohydrate sweetener and plays critical roles in general metabolism, cellular metabolic status, and stress response. This compound is for research use only.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Incorporates stable heavy isotopes of hydrogen and carbon
- Potential to affect the pharmacokinetic and metabolic profiles of drugs