Isotopically Labeled Compounds
Medchemexpress LLC Enclomiphene-d4 hydrochloride | 15690-57-0 | 99.0% | 446.45 | 1 MG
Enclomiphene-d4 hydrochloride is a deuterium labeled Enclomiphene hydrochloride. It is a potent and orally active estrogen receptor antagonist with antioestrogenic property.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Medchemexpress LLC Indole-13C | 85597-55-3 | 118.14 | 100 MG
Indole-13C is the 13C labeled Indole. Indole is an endogenous metabolite.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
![Revvity Health Sciences Inc Thymidine, [Methyl-<sup>3</sup>H]-, Specific Activity: 70-90Ci (2.59-3.33TBq)/mmol,>97%, 1mCi (37MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810535.jpg-250.jpg)
Revvity Health Sciences Inc Thymidine, [Methyl-3H]-, Specific Activity: 70-90Ci (2.59-3.33TBq)/mmol,>97%, 1mCi (37MBq)
Thymidine, [Methyl-3H]-, Specific Activity: 70-90Ci (2.59-3.33TBq)/mmol,>97%, 1mCi (37MBq)
Revvity Health Sciences Inc Unquenched 14C & 3H Standard Set, 20 mL Vial
Unquenched 14C & 3H Standard Set, 20 mL Vial
![Revvity Health Sciences Inc Thymidine, [Methyl-<sup>3</sup>H]-, Specific Activity: 70-90Ci (2.59-3.33TBq)/mmol,>97%, 5mCi (185MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810773.jpg-250.jpg)
Revvity Health Sciences Inc Thymidine, [Methyl-3H]-, Specific Activity: 70-90Ci (2.59-3.33TBq)/mmol,>97%, 5mCi (185MBq)
Thymidine, [Methyl-3H]-, Specific Activity: 70-90Ci (2.59-3.33TBq)/mmol,>97%, 5mCi (185MBq)
Medchemexpress LLC Adenine-d (6-aminopurine-d1) | 109923-52-6 | MFCD06658867 | 99.9% | 136.13 | C5H4DN5 | 10 MG
Adenine-d (6-aminopurine-d1) is the deuterium-labeled analogue of adenine, supplied as a stable-isotope reagent for biochemical and analytical research. It is intended for metabolic labeling, mass spectrometry reference standards, and studies of nucleic acid metabolism.
- Deuterium-labeled adenine for isotope tracing and analytical studies.
- Chemical formula C5H4DN5.
- Molecular weight 136.13 g/mol.
- Purity 99.9% by specification.
- CAS number 109923-52-6 for unambiguous identification.
- Supplied as a powder commonly in a 10 MG package; store powder at -20°C for long-term stability.
Medchemexpress LLC Acetamide-2,2,2-d3, N-(methyl-d3)- | 3669-73-6 | MFCD01073934 | 98.6% | 79.13 g/mol | C3HD6NO | 10 MG
N-Methylacetamide-d6 is the deuterium-labeled analogue of N-methylacetamide used as an isotopic standard and reagent for spectroscopic analysis, tracer studies, and synthetic applications. It is supplied as a colorless to light yellow liquid with high isotopic purity for reliable analytical results.
- Deuterium labeled for use as an isotopic standard
- High purity (98.6%) suitable for NMR and MS applications
- Colorless to light yellow liquid for convenient handling
- Molecular formula C3HD6NO; molecular weight 79.13 g/mol
- CAS number 3669-73-6 for unambiguous identification
- Storage at -20°C (pure) preserves stability for years
Medchemexpress LLC Pantoprazole-d8 sodium | >98.0% | 395.42 g/mol | C16H10D8F2N3O4S | 1mg
Pantoprazole-d8 (BY1023-d8) sodium is a deuterium labeled Pantoprazole (HY-17507) Pantoprazole (BY10232) is an orally active and potent proton pump inhibitor (PPI)[1] Pantoprazole a substituted benzimidazole is a potent H /K -ATPase inhibitor with an IC50 of 6 8 M Pantoprazole improves pH stability and has anti-secretory anti-ulcer activities Pantoprazole significantly increased tumor growth delay combined with Doxorubicin (HY-15142)[3][4]
Medchemexpress LLC Ethyl palmitate-d31 (Ethyl hexadecanoate-d31) | 1215721-57-5 | 1 MG
Ethyl palmitate-d31 is the deuterium-labeled form of Ethyl palmitate. Ethyl palmitate, a fatty acid ethyl ester (FAEE), shows a marked preference for the synthesis of ethyl palmitate and ethyl oleate over other FAEEs in human subjects after ethanol consumption. It is also used as a hair- and skin-conditioning agent. This product is for research use only and not sold to patients.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Deuterium labeling can affect pharmacokinetic and metabolic profiles of drugs.
- Stable heavy isotopes are used as tracers for quantitation during drug development.
Medchemexpress LLC Acetaminophen-13C2,15N | 360769-21-7 | 98.3% | C613C2H915NO2 | 1 MG
Acetaminophen-13C2,15N is the 13C and 15N labeled Acetaminophen. Acetaminophen (Paracetamol) is a selective cyclooxygenase-2 (COX-2) inhibitor with an IC50 of 25.8 μM and is a widely used antipyretic and analgesic agent. It is also a potent hepatic N-acetyltransferase 2 (NAT2) inhibitor.
- Used as a tracer.
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Selective cyclooxygenase-2 (COX-2) inhibitor.
- Widely used antipyretic and analgesic agent.
- Potent hepatic N-acetyltransferase 2 (NAT2) inhibitor.
Medchemexpress LLC Cmpf-d5 | 2749807-07-4 | 99.0% | 1 MG
CMPF-d5 is the deuterium labeled CMPF, which serves as a valuable tool for quantitative analysis using techniques such as NMR, GC-MS, or LC-MS. The strategic deuterium substitution in drug molecules has garnered attention due to its potential to significantly impact their pharmacokinetic and metabolic profiles, offering insights into drug development processes.
- Functions as a tracer or internal standard in quantitative analytical methods.
- Influences the pharmacokinetic and metabolic profiles of various drugs.
- Recommended storage for powder is -20°C for up to 3 years.
- Recommended storage for solutions is -80°C for 6 months or -20°C for 1 month.
- Requires careful handling, avoiding inhalation and contact with skin or eyes.
- Store in a tightly sealed container within a cool, well-ventilated environment.
Medchemexpress LLC Creatine-d5 monohydrate | 99.9% | 154.18 g/mol | C4H6D5N3O3 | 1 MG
Creatine-d5 monohydrate is the deuterium-labeled analog of creatine monohydrate provided as a stable-isotope reagent for research use. It serves as an internal standard for mass spectrometry, tracer experiments, and metabolic studies where isotopic labeling enables precise quantitation and pathway tracking. Supplied as a powder in small analytical pack sizes with documented purity and storage recommendations.
Cayman Chemical 6-Methylmercaptopurine-d3, Purity: ≥99% deuterated forms (d1-d3), CAS: 33312-93-5, 1 mg
An internal standard for the quantification of 6-MMP by GC- or LC-MS
Medchemexpress LLC L-histidine-d5 hydrochloride hydrate | 2483831-75-8 | 99.6% | 214.66 g·mol⁻¹ | C6H7D5ClN3O3 | 10 MG
L-histidine-d5 hydrochloride hydrate is the deuterium-labeled form of the amino acid L-histidine supplied as the hydrochloride hydrate salt. It is intended as a high-purity analytical standard for use as a tracer or internal standard in quantitative NMR, GC-MS, and LC-MS workflows.
- Deuterium-labeled (d5) for isotopic tracing.
- High purity suitable for analytical applications.
- Suitable as an internal standard for NMR, GC-MS, and LC-MS.
- Available in small pack sizes for method development.
- Useful as a tracer in metabolic and quantitative studies.
Medchemexpress LLC Isoquinoline-d7 | 17157-12-9 | 98.0% | 136.21 | 50 MG
Isoquinoline-d7 is the deuterium labeled Isoquinoline. Isoquinoline is an analog of pyridine. Isoquinoline structural-based alkaloids, such as tropoloisoquinoline, phthalideisoquinoline, and naphthylisoquinoline has anti-cancer activities.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Deuteration has potential to affect pharmacokinetic and metabolic profiles of drugs