Isotopically Labeled Compounds
Medchemexpress LLC Carbendazim-d4 | 291765-95-2 | 99.6% | C9H5D4N3O2 | 10MG
Carbendazim-d4 is the deuterium-labeled analogue of the fungicide carbendazim, supplied as a 10 mg reference standard for analytical and research use. It is intended for use as an isotopically labeled internal standard or tracer in quantitative mass spectrometry and related analytical workflows, offering consistent performance and storage stability under recommended conditions.
- High chemical and isotopic purity.
- Suitable as an internal standard for mass spectrometry.
- Provided as a stable, dry powder for long-term storage.
- Compatible with common organic solvents for sample preparation.
- Characterized molecular weight and formula for analytical identification.
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Revvity Health Sciences Inc Adenosyl-L-methionine, S-[methyl-3H] (SAM[3H]), 1 mCi
Adenosyl-L-methionine, S-[methyl-3H] (SAM[3H]), 1 mCi
![Revvity Health Sciences Inc α-Dendrotoxin [<sup>125</sup>I] 10 µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502811013.jpg-250.jpg)
Cambridge Isotope Laboratories 1 2-Dichlorobenzene (13C6 99%) 100 ug/mL in isooctane 1 2 mL
1 2-Dichlorobenzene (13C6 99%) 100 ug/mL in isooctane 1 2 mL
Medchemexpress LLC Bexarotene-d4 | 2182068-00-2 | 98.5% | C24H24D4O2 | 1 MG
Bexarotene-d4 is a deuterium-labeled compound, serving as a selective retinoid X receptors (RXR) agonist. It is used as a tracer or an internal standard for quantitative analysis in various methods.
- Used for treating cutaneous T-cell lymphoma
- Suitable as a tracer for quantitative analysis
- Can be used as an internal standard for quantitative analysis
- Compatible with NMR, GC-MS, or LC-MS methods
Medchemexpress LLC Equilin 3-sulfate-d4 (sodium) | 285979-81-9 | 95.0% | 375.4 g/mol | C18H16D4NaO5S | 5 MG
Equilin 3-Sulfate-d4 (sodium) is the deuterium-labeled sodium salt of equilin 3-sulfate supplied for analytical and research use. It is intended as a stable-isotope internal standard or tracer for quantitative mass spectrometry and NMR applications. The material is typically provided as a solid and should be stored sealed at -20 °C; in solvent it is stable at -80 °C for up to 6 months or -20 °C for 1 month.
Cambridge Isotope Laboratories SODIUM FORMATE (13C, 99%), 5 G, 23102-86-5
SODIUM FORMATE (13C, 99%), 5 G, 23102-86-5
Cayman Chemical Ondansetron-13C-d3, Purity: ≥99% deuterated forms (d1-d3), CAS: 2699607-85-5, 1 mg
An internal standard for the quantification of ondansetron by GC- or LC-MS
Medchemexpress LLC Mequinol-d4 | 126840-02-6 | 98.9% | 128.16 | 25 MG
Mequinol-d4 (HY-30270S) is a deuterium-labeled compound from MedChemExpress. It is primarily used as a laboratory chemical for research purposes and substance manufacturing. This product has been tested and complies with specifications, intended for experienced scientific personnel in equipped facilities. It is not validated for medical applications and is strictly for research use only.
- Deuterium-labeled compound
- Suitable for laboratory research and substance manufacturing
- Complies with given specifications
- Recommended for experienced scientific personnel
- Not validated for medical applications
Medchemexpress LLC D-Fructose-13C-1 | 117013-19-1 | 10 MG
D-Fructose-13C-1 is the 13C labeled D-Fructose. D-Fructose (D(-)-Fructose) is a naturally occurring monosaccharide found in many plants. This compound is for research use only.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Cambridge Isotope Laboratories DIETHYL MALONATE (2-13C, 99%), 0.5 G, 67035-94-3
DIETHYL MALONATE (2-13C, 99%), 0.5 G, 67035-94-3
Cambridge Isotope Laboratories Mono-(2-ethyl-5-hydroxyhexyl)phthalate (DEHP metabolite IX) (unlabeled) 100 ug/mL in MTBE 1 2 mL
Mono-(2-ethyl-5-hydroxyhexyl)phthalate (DEHP metabolite IX) (unlabeled) 100 ug/mL in MTBE 1 2 mL
Medchemexpress LLC Ethanolamine-13C2 hydrochloride | 1173019-25-4 | 98.0% | 99.53 | 13C2H8ClNO | 10 MG
Ethanolamine-13C2 hydrochloride is the 13C-labeled form of ethanolamine hydrochloride supplied as a hydrochloride salt. It is used as an isotope-labeled reagent and internal standard in biochemical, metabolomics, and mass spectrometry workflows.
- Isotopically labeled with two 13C atoms.
- Hydrochloride salt, supplied as a solid.
- High purity: 98.0%.
- Molecular weight: 99.53 g/mol.
- Suitable as an internal standard for mass spectrometry and metabolomics.
- Available in small pack sizes (1 mg, 5 mg, 10 mg).
Medchemexpress LLC Sulfanilamide-d4 | 77435-46-2 | 99.99% | 5 MG
Sulfanilamide-d4 is the deuterium labeled Sulfanilamide. It acts as a competitive inhibitor for bacterial enzyme dihydropteroate synthetase with an IC50 of 320 μM. Deuteration, the incorporation of stable heavy isotopes into drug molecules, has potential to affect the pharmacokinetic and metabolic profiles of drugs.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS