Isotopically Labeled Compounds
Cambridge Isotope Laboratories PHOSPHORIC ACID-D3 (D, 99%) 85% IN D2O, 100 G, 14335-33-2
PHOSPHORIC ACID-D3 (D, 99%) 85% IN D2O, 100 G, 14335-33-2
Medchemexpress LLC Citric acid-d4-1 | 77-92-9 | MFCD00209702 | 97.0% | 196.15 g/mol | C6H4D4O7 | 10 MG
Citric acid-d4-1 is the deuterium-labeled form of citric acid supplied as a research-grade isotopic standard. It contains four deuterium atoms (d4), has formula C6H4D4O7, and is provided as a 10 mg solid for use as an internal standard in mass spectrometry and metabolic tracing.
- Deuterium-labeled (d4) isotopic standard.
- Intended for analytical and mass spectrometry applications.
- Provided as a 10 mg solid for small-batch analytical use.
- Formula C6H4D4O7 and molecular weight 196.15 g/mol.
- Manufacturer lists purity of 97.0% on the product page.
Medchemexpress LLC R-lercanidipine-d3 hydrochloride | 1217724-52-1 | MFCD28898581 | 99.9% | 10 MG
(R)-Lercanidipine-d3 hydrochloride is the deuterium-labeled R-enantiomer of lercanidipine hydrochloride, supplied as an isotopically labeled reference standard for bioanalytical and pharmacokinetic studies. It is provided as a hydrochloride salt with high HPLC purity suitable for use as an internal standard in LC-MS assays.
- Isotopically labeled (d3) R-enantiomer for use as an internal standard.
- Hydrochloride salt with a molecular weight of 651.21.
- High HPLC purity (99.94%) for reliable quantification.
- CAS number 1217724-52-1 for unambiguous identification.
- Intended for bioanalytical and pharmacokinetic assay development.
Cayman Chemical PentadecnoIc AcId-d29 5mg
An internal standard for the quantification of pentadecanoic acid by GC- or LC-MS
Cambridge Isotope Laboratories GLYCINE-N-T-BOC (2,2-D2, 98%), 1 G, 42492-65-9
GLYCINE-N-T-BOC (2,2-D2, 98%), 1 G, 42492-65-9
Medchemexpress LLC Sorafenib-13C,d3 | 1210608-86-8 | 98.4% | 468.84 | C20(13C)H13D3ClF3N4O3 | 100 UG
Isotopically labeled sorafenib (13C and d3) intended as an analytical standard and internal standard for mass spectrometry, quantitation, and tracer studies. Supplied as a high-purity research reagent for method development and pharmacokinetic sample analysis. For research use only; not for human or clinical use.
- Isotopically labeled with 13C and three deuteriums.
- Suitable as an internal standard for LC-MS/MS assays.
- High purity suitable for quantitative analysis.
- Supplied in small vials for low-level calibration, e.g. 100 μg.
- Includes supporting documents such as COA and LC-MS data.
- Intended for research use only; not for clinical or human use.
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 Inosine-2,8-d2 | 697807-01-5 | 99.7% | 270.24 | C10H10D2N4O5 | 10 MG
Inosine-2,8-d2 is a deuterium-labeled inosine supplied as a solid reference standard for analytical and research use, including mass spectrometry and quantitative assays.
- Deuterated inosine for isotopic labeling and internal standards.
- High purity: 99.7%.
- Molecular weight 270.24 g/mol and chemical formula C10H10D2N4O5.
- Solid form suitable for laboratory handling.
- Recommended storage under nitrogen at -20°C; in solution store at -80°C for up to 6 months.
- Packaged as 10 MG for small-scale analytical use.
Medchemexpress LLC (S)-Indoximod-d3 | 1801851-87-5 | MFCD11983540 | 99.0% | 221.27 g/mol | C12H11D3N2O2 | 10 MG
(S)-Indoximod-d3 is the deuterium-labeled isotopologue of (S)-indoximod (1-methyl-L-tryptophan), supplied as a research reference standard for biochemical and pharmacokinetic studies of the indoleamine-2,3-dioxygenase (IDO) pathway. It is intended for use as an internal standard, tracer, or analytical reference in mass spectrometry and related assays.
- Deuterium-labeled internal standard for quantitative mass spectrometry
- High isotopic and chemical purity (99.0%) suitable for tracer and PK studies
- Compact 10 mg quantity for analytical applications
- Useful in biochemical studies of IDO pathway and immunometabolism
- CAS number provided for unambiguous chemical identification
American Radiolabeled Chemicals Inc ANG I TYR4 125I 50UC
Angiotensin I, Tyr4-125I (human) 50uCi in tris buffer, 0.05 mCi/ml, S.A. 2200 Ci/mmol, M.W. ~1420
Cambridge Isotope Laboratories L-DOPA (1-13C, RING-13C6, 99%), 0.05 G
L-DOPA (1-13C, RING-13C6, 99%), 0.05 G
Medchemexpress LLC Adenosine-d-1 (adenine riboside-d1) | 119540-53-3 | 99.5% | 268.25 g/mol | C10H12DN5O4 | 10 MG
Adenosine-d-1 is a deuterium-labeled analog of adenosine used as a stable isotope tracer in biochemical and pharmacological research. It is supplied as a high-purity solid suitable for analytical applications, including mass spectrometry, metabolic tracing, and method validation.
- High isotopic purity for accurate tracer studies.
- Suitable for mass spectrometry and analytical workflows.
- Supplied as a quantified small-scale solid for controlled experiments.
- Stable under recommended storage conditions.
- Applicable to metabolic tracing and pharmacokinetic studies.
Medchemexpress LLC Enzalutamide-d6 | 1443331-94-9 | 99.9% | 470.47 g/mol | C21H10D6F4N4O2S | 10 MG
Enzalutamide-d6 is a deuterium-labeled analogue of enzalutamide supplied for analytical and research use as a tracer or internal standard in quantitative workflows. The material is provided as a white to off-white solid with a reported molecular weight of 470.47 g/mol and high purity (~99.9%).
- Deuterium-labeled internal standard (d6) for quantitative analysis (NMR, GC-MS, LC-MS).
- Suitable as a tracer for analytical method development and validation.
- Reported androgen receptor antagonist reference activity (IC50 36 nM in LNCaP cells).
- High purity and consistent lot reporting support analytical accuracy.
- Recommended storage: sealed at 4°C; in solvent store at -80°C (up to 6 months) or -20°C (up to 1 month).
- Available in small pack sizes for analytical use, including a 10 mg pack.
Cambridge Isotope Laboratories D-GLUCOSE (U-13C6, 99%), 25 G, 110187-42-3
D-GLUCOSE (U-13C6, 99%), 25 G, 110187-42-3