Isotopically Labeled Compounds
Medchemexpress LLC L-serine-d7 | 935275-35-7 | 100.0% | 112.14 g·mol⁻1 | C3D7NO3 | 10 MG
L-Serine-d7 is the deuterium (d7) isotopically labeled form of L-serine, provided as a high-purity research-grade standard for analytical and biochemical applications. Molecular weight 112.14 g·mol⁻1; CAS 935275-35-7.
- High isotopic enrichment (d7) for accurate mass spectrometry quantitation.
- High purity: 99.97%.
- Suitable as an internal standard for LC-MS/MS.
- Useful for metabolic tracing and isotopic labeling studies.
- Supplied as a 10 mg solid, convenient for small-scale analyses.
Medchemexpress LLC Uridine-13C-2 | 478511-14-7 | 99.9% | 245.19 g/mol | C9H12N2O6 | 10 MG
Uridine-13C-2 is a 13C-labeled form of the nucleoside uridine, supplied for use as an isotopic tracer or internal standard in analytical and research applications. It is intended for quantitative and structural studies by techniques such as NMR and mass spectrometry.
- Isotopically labeled at carbon-2 (13C-2).
- High purity (99.9%) for analytical accuracy.
- Suitable as an internal standard for NMR, LC-MS, and GC-MS.
- Provided in small sealed quantities for laboratory use.
- Intended for research use; follow appropriate handling and safety procedures.
Medchemexpress LLC Ipratropium-d3 bromide | 22254-24-6 | 98.0% | 1 MG
Ipratropium-d3 bromide is a deuterium labeled muscarinic receptor antagonist, useful in research for chronic obstructive pulmonary disease (COPD) and asthma. It can also serve as a tracer or an internal standard for quantitative analysis methods such as NMR, GC-MS, or LC-MS.
- Deuterium labeled compound
- Muscarinic receptor antagonist
- Can be used in research for COPD and asthma
- Serves as a tracer
- Functions as an internal standard for quantitative analysis
- Potential to affect pharmacokinetic and metabolic profiles of drugs
Cambridge Isotope Laboratories 11-KETOTESTOSTERONE (16,16,17-D3, 98%) CHEMICAL PURITY 95%, 1 MG
11-KETOTESTOSTERONE (16,16,17-D3, 98%) CHEMICAL PURITY 95%, 1 MG
Medchemexpress LLC Clomipramine-d3 (hydrochloride) | 1398065-86-5 | 5 MG
Clomipramine-d3 is the deuterium labeled Clomipramine. Clomipramine is a serotonin transporter (SERT), norepinephrine transporter (NET) dopamine transporter (DAT) blocker with Ki of 0.14, 54 and 3 nM, respectively.
- 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 CAFFEINE (3-METHYL-13C, 99%), 0.5 G, 202282-98-2
CAFFEINE (3-METHYL-13C, 99%), 0.5 G, 202282-98-2
Cambridge Isotope Laboratories ADENOSINE:H2O (RIBOSE-1-13C, 99%) 95% CHEMICAL PURITY, 0.1 G
ADENOSINE:H2O (RIBOSE-1-13C, 99%) 95% CHEMICAL PURITY, 0.1 G
Cambridge Isotope Laboratories STEARIC ACID (17,17,18,18,18-D5, 98%), 0.5 G, 211443-83-3
STEARIC ACID (17,17,18,18,18-D5, 98%), 0.5 G, 211443-83-3
Cambridge Isotope Laboratories TRIMETHYLAMINE:DCL (D10, 98%), 5 G
TRIMETHYLAMINE:DCL (D10, 98%), 5 G
Medchemexpress LLC Arachidonic acid-13C4 (immunocytophyt-13C4) | 2692624-40-9 | 95.0% | 308.44 | 10 UMOL
Arachidonic acid-13C4 is a 13C labeled Arachidonic acid. Arachidonic acid (Immunocytophyt) is a polyunsaturated omega-6 fatty acid and a major constituent of biomembranes. It also acts as the substrate for various lipid mediators, such as prostaglandins (PGs). Arachidonic acid improves cognitive response and cardiovascular function.
- 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 L-proline-13C5,15N | 202407-23-6 | MFCD00144671 | 99.6% | 121.09 | 13C5H915NO2 | 5mg
L-Proline-13C5 1-15N is the 13C- and 15N-labeled L-Proline L-Proline is one of the twenty amino acids used in living organisms as the building blocks of proteins
Cambridge Isotope Laboratories AZT (METHYL-13C, 99%) 96% CHEMICAL PURITY, 10 MG, 202114-48-5
AZT (METHYL-13C, 99%) 96% CHEMICAL PURITY, 10 MG, 202114-48-5
Cayman Chemical 2′-Deoxyuridine-d2, Purity: ≥99% deuterated forms (d1-d2), CAS: 40632-23-3, 5 mg
An internal standard for the quantification of 2’-deoxyuridine by GC- or LC-MS
![Revvity Health Sciences Inc Cholesteryl Oleate, [Oleate-1-<sup>14</sup>C]-, 50µCi (1.85MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502809460.jpg-250.jpg)
Revvity Health Sciences Inc Cholesteryl Oleate, [Oleate-1-14C]-, 50µCi (1.85MBq)
Cholesteryl Oleate, [Oleate-1-14C]-, 50µCi (1.85MBq)
Cambridge Isotope Laboratories L-HISTIDINE:HCL:H2O (<5% D) (13C6, 97-99%; 15N3, 97-99%), 0.1 G
L-HISTIDINE:HCL:H2O (<5% D) (13C6, 97-99%; 15N3, 97-99%), 0.1 G