Isotopically Labeled Compounds
Selleck Chemical LLC 12-dibromoethane-d4 E8237-100MG
1 2-dibromoethane-d4 is the deuterated form of ethylene dibromide Ethylene dibromide is a toxic organic halogen compound
![Medchemexpress LLC 3H-imidazo[4,5-f]quinoxalin-2-amine, 8-methyl-3-(methyl-d3)- | 122457-31-2 | MFCD00269884 | 99.0% | 216.26 g/mol | C11H8D3N5 | 1 MG](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000285256.png-250.jpg)
Medchemexpress LLC 3H-imidazo[4,5-f]quinoxalin-2-amine, 8-methyl-3-(methyl-d3)- | 122457-31-2 | MFCD00269884 | 99.0% | 216.26 g/mol | C11H8D3N5 | 1 MG
MeIQx-d3 is the deuterium-labeled analogue of MeIQx, provided for use as a tracer or internal standard in laboratory quantitative analysis. It is intended for research use only; MeIQx is a heterocyclic aromatic amine reported to be mutagenic and hepatocarcinogenic.
- Deuterium-labeled internal standard for quantitative assays.
- Suitable for NMR, GC-MS, and LC-MS applications.
- High chemical purity (99.0%).
- Supplied in a small quantity suitable for trace-level analysis.
- Molecular formula C11H8D3N5; molecular weight 216.26 g/mol.
Medchemexpress LLC Glycine-d2 | 4896-75-7 | MFCD00075077 | 99.9% | 77.08 | C2H3D2NO2 | 500mg
Glycine-d2 is the deuterium labeled Glycine Glycine is an inhibitory neurotransmitter in the CNS and also acts as a co-agonist along with glutamate facilitating an excitatory potential at the glutaminergic N-methyl-D-aspartic acid (NMDA) receptors
Medchemexpress LLC Isovaleric acid-d2 | 95927-02-9 | 99.49% | 104.14 | 100 MG
Isovaleric acid-d2 is the deuterium labeled Isovaleric acid. Isovaleric acid is a natural fatty acid and known to affect neonatal death and possible Jamaican vomiting sickness in humans. This compound can be used as a tracer and as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Cambridge Isotope Laboratories GLYCINE (2-13C, 99%), 1 G, 20220-62-6
GLYCINE (2-13C, 99%), 1 G, 20220-62-6
Medchemexpress LLC Rac-ruxolitinib-d9 | 2469553-67-9 | 99.4% | 315.42 | C17H9D9N6 | 1 MG
(Rac)-Ruxolitinib-d9 is the deuterium-labeled racemic form of ruxolitinib (INCB18424), a JAK1/2 inhibitor supplied for research use as an analytical standard or tracer in biochemical and pharmacokinetic studies.
- Deuterium-labeled tracer for isotope labeling and mass spectrometry applications.
- High purity suitable for analytical work (99.4%).
- Provided as a solid, white to yellow, for ease of handling and storage.
- Available in small research sizes suitable for standards (1 mg and 5 mg).
- Documented identifiers: CAS number 2469553-67-9; molecular formula C17H9D9N6; molecular weight 315.42.
- Storage guidance: long-term at -20°C under nitrogen; in solvent: -80°C for 6 months, -20°C for 1 month (stored under nitrogen).
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.
![Revvity Health Sciences Inc Iodo-Melatonin, 2-[<sup>125</sup>I], 100µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502811007.jpg-250.jpg)
Medchemexpress LLC L-Xylose (L-(-)-Xylose) | 609-06-3 | 97.0% | C5H10O5 | 50 G
L-Xylose, also known as L-(-)-Xylose, is a rare sugar and the levorotatory form of Xylose. This chemical compound serves as a raw material for the synthesis of various drugs and bioactive molecules. It has a molecular weight of 150.13 and typically appears as a white to off-white solid with a purity of 97.0%.
- Rare sugar
- Levorotatory form of xylose
- Raw material for synthesis of drugs and bioactive molecules
- Solid appearance
- White to off-white color
- Soluble in DMSO at 100 mg/mL
- Initial source from microorganisms, specifically Escherichia coli
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.