Isotopically Labeled Compounds
Medchemexpress LLC 1-hexanol-d3 | 52598-04-6 | 99.1% | 104.19 | C6H12D2O | 5 MG
1-Hexanol-d3 (CAS 52598-04-6) is the deuterium-labeled isotopologue of 1-hexanol, supplied for use as a stable-isotope reference standard in analytical chemistry and mass spectrometry. It is intended for use as an internal standard, tracer, or reference in quantitative and qualitative analyses.
- Deuterium-labeled (d3) isotopologue for isotope-dilution and MS applications.
- High purity: 99.1% (as listed by supplier).
- Chemical formula C6H12D2O; molecular weight 104.19.
- Available in small pack sizes suitable for analytical standards.
- Storage: pure form -20°C (3 years) or 4°C (2 years); in solvent -80°C (6 months) or -20°C (1 month).
Medchemexpress LLC 1-Hexanol-d11 | 2159-18-4 | 99.3% | 113.24 | C6H3D11O | 50 MG
1-Hexanol-d11 is the deuterium-labeled analogue of 1-hexanol used as an isotopic standard and tracer in analytical and research applications. Deuterium substitution produces a predictable mass shift for mass spectrometry and metabolic labeling studies; the compound is supplied as a colorless to light yellow liquid with high reported purity.
- Deuterium-labeled isotopologue for mass-shifted analysis.
- High purity suitable for analytical standards.
- Useful as an internal standard in mass spectrometry workflows.
- Stable when stored under recommended low-temperature conditions.
- Available in small research quantities for analytical applications.
Medchemexpress LLC Acetaminophen-d7 | 1219798-53-4 | MFCD08705146 | 99.9% | 158.21 g/mol | C8H2D7NO2 | 10 MG
Acetaminophen-d7 is a deuterium-labeled analogue of acetaminophen used as an internal standard and tracer in mass spectrometry and metabolic studies. The compound contains seven deuterium atoms (d7) for unambiguous mass differentiation and is supplied as a high-purity reference suitable for quantitative LC-MS/MS analyses.
- Deuterium-labeled internal standard for mass spectrometry
- High isotopic enrichment for clear mass separation
- Suitable for LC-MS/MS and quantitative analyses
- Compact 10 mg quantity for analytical workflows
- High purity for reproducible analytical results
Medchemexpress LLC Piperazin-2-one-d6 | 1219803-71-0 | MFCD11983578 | 99.3% | 106.16 | C4H2D6N2O | 10 MG
Piperazin-2-one-d6 is the deuterium-labeled isotopologue of piperazin-2-one, provided as a white solid for use as an internal standard or tracer in analytical and drug-development workflows. It is suited for quantitative mass spectrometry and NMR applications, supplied in small, precisely measured packages, and accompanied by supporting documentation for safe handling and storage.
- Deuterium-labeled (d6) for isotope dilution quantitation.
- High purity suitable for analytical standards.
- White solid stable under recommended storage conditions.
- Available in multiple small package sizes including 10 mg.
- Molecular weight 106.16; molecular formula C4H2D6N2O.
- Supplied with certificate of analysis and safety data sheet.
Medchemexpress LLC Deoxycholic acid (standard) | 83-44-3 | MFCD00003673 | 99.9% | 392.57 | C24H40O4 | 10 MG
Deoxycholic acid (Standard) is an analytical reference standard of deoxycholic acid intended for research and analytical applications. Supplied in small packaged quantities, it includes accompanying certificate of analysis and safety data documentation for assay calibration and method development.
- Analytical standard suitable for assay calibration and method development.
- Purity 99.85% as specified in the certificate of analysis.
- CAS number 83-44-3; molecular formula C24H40O4; molecular weight 392.57.
- Available in small pack sizes (for example, 10 mg) for laboratory use.
- Accompanied by COA and SDS for quality and safety verification.
- Store under conditions recommended in the certificate of analysis.
Medchemexpress LLC Octadecanoic-17,17,18,18,18-d5 acid | 211443-83-3 | MFCD01075453 | 98.4% | 289.51 g·mol-1 | C18H31D5O2 | 10 MG
Stearic acid-d5 is a deuterium-labeled analogue of stearic (octadecanoic) acid used as an internal standard for quantitative mass spectrometry. The compound (CAS 211443-83-3) contains five deuterium atoms and provides a consistent mass shift for accurate tracer-based quantification in biological and analytical samples. Supplied as a solid for preparation of stock solutions.
- Deuterated internal standard (d5) for GC-MS and LC-MS.
- Chemical formula C18H31D5O2; molecular weight ~289.51 g·mol-1.
- High isotopic purity for reliable mass spectrometry quantification.
- Suitable for preparation of stock solutions in common organic solvents.
- Commonly used in lipidomics, metabolism, and pharmacokinetic studies.
Medchemexpress LLC 2-morpholinoethanesulfonic acid-d13 | 352534-94-2 | 98.8% | 208.32 g/mol | C6D13NO4S | 10 MG
MES-d13 is the deuterium-labeled form of 2-morpholinoethanesulfonic acid (MES), provided as a stable-isotope reagent for analytical and research use. It is commonly used as an internal standard and buffering agent in NMR and LC-MS workflows requiring isotopic labeling.
- Deuteration level d13.
- Molecular formula C6D13NO4S.
- Molecular weight 208.32 g/mol.
- Purity 98.8% (as listed).
- Available in milligram quantities, including a 10 mg vial.
- Recommended storage: powder -20°C for long term; in solvent -80°C for up to six months.
- Applications: NMR, LC-MS, and isotopic internal standard use.
Medchemexpress LLC Hexadecane-d34 100mg
Hexadecane-d34 (n-Hexadecane-d34) is the deuterium labeled Hexadecane (HY-W099580) Hexadecane (n-Hexadecane) is a saturated hydrocarbon of alkanes or paraffins and can be used as an organic solvent Hexadecane is a component of petroleum belongs to hydrophobic substrates and is a model substance for studying bacterial degradation of hydrophobic compounds[1]
Cambridge Isotope Laboratories GUANINE (8-13C, 98%; 7,9-15N2, 98%), 25 MG
GUANINE (8-13C, 98%; 7,9-15N2, 98%), 25 MG
Cambridge Isotope Laboratories CYTIDINE 5'-TRIPHOSPHATE, NH4 SALT (13C9, 99%; 15N3, 96-98%) CP >90% (IN SOLN), 100 UMOL
CYTIDINE 5'-TRIPHOSPHATE, NH4 SALT (13C9, 99%; 15N3, 96-98%) CP >90% (IN SOLN), 100 UMOL
Cambridge Isotope Laboratories URACIL (13C4, 99%; 15N2, 98%), 0.1 G
URACIL (13C4, 99%; 15N2, 98%), 0.1 G
Cambridge Isotope Laboratories L-VALINE (1-13C, 99%; 15N, 98%), 0.25 G
L-VALINE (1-13C, 99%; 15N, 98%), 0.25 G
Cambridge Isotope Laboratories GUANOSINE:H2O (13C10, 98%; 15N5, 96-98%), 25 MG
GUANOSINE:H2O (13C10, 98%; 15N5, 96-98%), 25 MG
Cambridge Isotope Laboratories Methanol-d4 (d, 99.8%), 811-98-3, MFCD00044637, 50 g
Chemical Formula: CD3OD, MW: 36.07, 99.8%, Synonyms: Methyl hydride; Marsh gas; Natural gas.
Cambridge Isotope Laboratories 1,2-DICHLOROETHANE-D4 (D, 99%), 5 X 1 G, 17060-07-0
1,2-DICHLOROETHANE-D4 (D, 99%), 5 X 1 G, 17060-07-0