Isotopically Labeled Compounds
Sigma Aldrich Fine Chemicals Biosciences Acetic anhydride-1,1'-13C2,d6 98 atom % D, 99 atom % 13C | 285977-78-8 | MFCD00190252 | 100MG
Acetic anhydride-1,1'-13C2,d6 98 atom % D, 99 atom % 13C | Purity: 99% (CP) | Mol Wt: 110.11 | 285977-78-8 | MFCD00190252 | 100MG
American Radiolabeled Chemicals Inc DDG 2-1 2-3H A 1LC
Deoxy-D-glucose, 2-1,2-3H 1mCi in sterile saline, 1 mCi/ml, S.A. 30-60 Ci/mmol, M.W. 164.2
Cambridge Isotope Laboratories PARAFORMALDEHYDE (13C, 99%; D2, 98%), 1 G
PARAFORMALDEHYDE (13C, 99%; D2, 98%), 1 G
Cayman Chemical EthIonamIde-d3 1mg
An internal standard for the quantification of ethionamide by GC- or LC-MS
Cayman Chemical N-ArachIdonyl TaurIn-d4 100ug
An internal standard for the quantification of N-arachidonoyl taurine by GC- or LC-MS
TARGETMOL CHEMICALS INC 7-keto-deoxycholic acid 25MG
Also available in 1 mL, 5 mg, 10 mg, 50 mg, 100 mg, 200 mg, 500 mg and bulk. Please contact Fisher for quotes. 7-keto-deoxycholic acid is converted from Lactobacillus and Bifidobacterium with specific condition and from cholic acid in vitro. Purity 98.76%
Medchemexpress LLC N6-(carboxymethyl)-L-lysine-d3 | 2699607-49-1 | 99.0% | 207.24 | C8H13D3N2O4 | 1 MG
CML-d3 is a deuterium-labeled stable isotope standard of carboxymethyl-lysine designed for use as a tracer or internal standard in analytical workflows such as mass spectrometry and quantitative biochemical assays. It is supplied as a powder with supporting documentation for analytical use and safe handling.
Cayman Chemical DamInozIde-d4 10mg
An internal standard for the quantification of daminozide by GC- or LC-MS
Medchemexpress LLC 1-bromoundecane-d4 | 1219802-82-0 | 97.0% | 10 MG
1-Bromoundecane-d4 is the deuterium-labeled isotopologue of 1-bromoundecane used as a tracer and an internal standard in analytical chemistry and synthetic applications.
- CAS number 1219802-82-0.
- Molecular weight 239.23 g/mol.
- Chemical formula C11H19D4Br.
- Isotopic label d4 (four deuterium atoms).
- Typical application as tracer or internal standard in mass spectrometry and analytical methods.
- Supplied as a 10 mg packaged solid.
Medchemexpress LLC 2-mercaptoethanol-d6 | 203645-37-8 | 99.7% | 84.17 g/mol | C2D6OS | 5mg
2-Mercaptoethanol-d6 is deuterium labeled 2-Mercaptoethanol[1]
Medchemexpress LLC Acetic acid-1-13C | 1563-79-7 | MFCD00037366 | 100.0% | 61.04 | CH313CO2H | 5g
Acetic acid-1-13C is 13C labeled Acetic acid-1
Medchemexpress LLC Propofol-d17 β-D-glucuronide | 1683581-05-6 | 98.0% | 371.50 g/mol | C18H9D17O7 | 100 UG
Propofol-d17 β-D-glucuronide is a deuterium-labeled analogue of propofol β-D-glucuronide intended for use as a tracer and internal standard in quantitative analytical methods (NMR, GC-MS, LC-MS). It is provided as a white to off-white solid with high purity and characterized molecular properties, and is soluble in common organic solvents for analytical sample preparation.
- Deuterium-labeled internal standard for quantitative analysis.
- High purity: 98.0%.
- Molecular weight 371.50 g/mol and formula C18H9D17O7.
- Soluble in ethanol, DMF, and DMSO (≥30 mg/mL).
- Available in microgram to milligram pack sizes for analytical use.
- Suitable for use as a tracer in metabolic and pharmacokinetic studies.
- Handle with care: use newly opened DMSO due to hygroscopicity.
Medchemexpress LLC Nortriptyline (desmethylamitriptyline) | 72-69-5 | 99.9% | 263.38 g·mol⁻¹ | C19H21N | 1 ML
Nortriptyline (desmethylamitriptyline) is a tricyclic antidepressant compound supplied as a high-purity research reagent in solution form. This product is provided in DMSO and intended for in vitro and analytical applications; consult the product page and SDS for handling, storage, and safety information.
- High purity suitable for analytical and research use.
- Supplied as a ready-to-use solution in DMSO for convenient dosing.
- Appropriate for use as a pharmacological standard or reference compound.
- Molecular formula and weight are provided for experimental planning.
- For research use only; not for human or clinical use.