Isotopically Labeled Compounds
Cambridge Isotope Laboratories 4-Methoxyestrone (unlabeled) 0 1 mg
4-Methoxyestrone (unlabeled) 0 1 mg
Cambridge Isotope Laboratories DL-ALANINE (1-13C, 99%), 1 G, 102029-81-2
DL-ALANINE (1-13C, 99%), 1 G, 102029-81-2
Cambridge Isotope Laboratories Alpha-Ketoglutaric acid (D6 98%) 0 01 g
Alpha-Ketoglutaric acid (D6 98%) 0 01 g
![Revvity Health Sciences Inc Adenosine 3', 5'-Cyclic Phosphate, Ammonium Salt, [2,8-<sup>3</sup>H]-, 250 µCi (9.25 MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502812368.jpg-250.jpg)
Revvity Health Sciences Inc Adenosine 3', 5'-Cyclic Phosphate, Ammonium Salt, [2,8-3H]-, 250 µCi (9.25 MBq)
Adenosine 3', 5'-Cyclic Phosphate, Ammonium Salt, [2,8-3H]-, 250 µCi (9.25 MBq)
Medchemexpress LLC Benzothioamide-d5 | 1219804-59-7 | >98.0% | 142.23 g/mol | C7H2D5NS | 50 MG
Benzothioamide-d5 (CAS 1219804-59-7) is the deuterium-labeled analogue of benzothioamide supplied as a solid for research applications. It is intended as a stable-isotope reagent or analytical standard for use in mass spectrometry, isotopic tracing, and synthetic chemistry. Not for human use or clinical applications.
- Deuterium labeled for isotopic tracing and mass spectrometry.
- High chemical purity and isotopic enrichment (≥98%).
- Supplied as a solid for convenient storage and handling.
- Suitable as an internal standard for quantitative analysis.
- For research use only; not for human or clinical use.
Medchemexpress LLC Ethylene glycol-13C2 | 104700-12-1 | MFCD00144287 | >99.0% | 64.05 | 13C2H6O2 | 10mg
Ethylene glycol-13C2 is the 13C labeled Ethylene glycol[1]
Medchemexpress LLC Hepes-d18 | 203805-87-2 | 99.9% | 100 MG
HEPES-d18 is the deuterium labeled HEPES, a nonvolatile zwitterionic chemical buffering agent broadly applied in cell culture. It is effective at pH 6.8 to 8.2 and is also a potent inducer of lysosome biogenesis. This compound can be used as a tracer or an internal standard for quantitative analysis.
- Effective over a broad pH range of 6.8 to 8.2.
- Induces lysosome biogenesis.
- Functions as a tracer in various analyses.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Medchemexpress LLC Cholan-24-oic-24-13C acid, 3,12-dihydroxy-, (3α,5β,12α)- | 52886-37-0 | MFCD00190301 | 98.0% | 393.56 | C24H40O4 | 10 MG
Deoxycholic acid-13C is the 13C-stable isotope labeled form of deoxycholic acid used as a tracer and as an internal standard for quantitative analysis by NMR, GC-MS, and LC-MS. It also activates the G protein-coupled bile acid receptor TGR5 and is used in studies of bile acid signaling and brown adipose tissue activity.
- 13C-stable isotope labeled deoxycholic acid for tracer studies and quantitation.
- Suitable as an internal standard for NMR, GC-MS, and LC-MS methods.
- Purity approximately 98.0% as supplied.
- Available in small analytical quantities (for example, 10 mg).
- Store powder at -20 °C for long-term stability; follow SDS for handling.
Medchemexpress LLC Dimethyl adipate-d8 | 52089-64-2 | MFCD12022192 | 98.0% | 182.24 | C8H6D8O4 | 100 MG
Dimethyl adipate-d8 is a deuterium-labeled analogue of dimethyl adipate used as an isotopically labeled reference standard for analytical chemistry. It is intended for use as an internal standard in mass spectrometry and chromatographic assays, offering predictable chromatographic behavior with a distinct mass shift.
- Deuterated analogue with eight deuterium atoms, providing clear mass separation.
- High isotopic enrichment for reliable internal standard performance.
- High chemical purity suitable for analytical workflows.
- Multiple small package sizes available for laboratory-scale use.
- Stable under recommended storage conditions for consistent results.
Medchemexpress LLC Hydrocortisone-d4 | 73565-87-4 | 366.48 | 500 UG
Hydrocortisone-d4 is the deuterium-labeled Hydrocortisone. Hydrocortisone (Cortisol) is a steroid hormone or glucocorticoid secreted by the adrenal cortex.
- 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 the potential to affect the pharmacokinetic and metabolic profiles of drugs.
Cayman Chemical Stearic Acid-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 130048-57-6, 250 mg
An internal standard for the quantification of stearicacid by GC- or LC-MS
Medchemexpress LLC Barnidipine-d5 5mg | 2771469-19-1 | 5MG
Barnidipine-d5 is the deuterium-labeled Barnidipine (HY-107322A) Barnidipine-d5 (Mepirodipine) is an L-type calcium antagonist (CaA) with high affinity for [3H initrendipine binding sites (Ki 0 21 nmol/l) has selective action against CaA receptors[1 Barnidipine-d5 (Mepirodipine) is an antihypertensive agent and acts by the reduction of peripheral vascular resistance secondary to its vasodilatory action[2
Medchemexpress LLC Florfenicol-d3 | 2213400-85-0 | 99.9% | 5 MG
Florfenicol-d3 is the deuterium labeled form of Florfenicol, a veterinary antibiotic. It is used for bovine respiratory disease and in aquaculture to control enteric septicemia in catfish. Florfenicol can induce early embryonic death in eggs, with an LC50 of 1.07 μg/g. This product 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.
- Stable heavy isotopes have been incorporated into drug molecules for quantitation during drug development.
- Deuteration can affect the pharmacokinetic and metabolic profiles of drugs.