Isotopically Labeled Compounds
Cayman Chemical Prostaglandin D2 methyl ester
PGD2 methyl ester is a more lipid-soluble, cell-permeable prodrug form of PGD2.{14117} It binds to the human and mouse PGD2 receptors (DP1 and CRTH2/DP2) with 5-10 fold lower affinity than PGD2.{11494}
Cambridge Isotope Laboratories LABELED CARNITINE STANDARDS SET B, 10 VIALS
LABELED CARNITINE STANDARDS SET B, 10 VIALS
Medchemexpress LLC Dabigatran-d3 | 1246817-44-6 | 95.1% | 474.53 g/mol | C25H22D3N7O3 | 1 MG
Dabigatran-d3 is the deuterium-labeled isotopologue of dabigatran provided as a solid analytical reference standard for quantitative bioanalytical assays. It is intended for use as a tracer or internal standard to improve accuracy and precision in LC-MS, GC-MS, and NMR methods, with documented storage and stability for both powder and solution forms.
- Isotopically labeled deuterium (D3) analog for accurate quantitation.
- Suitable as tracer and internal standard for LC-MS, GC-MS, and NMR.
- Molecular weight 474.53 g/mol; formula C25H22D3N7O3.
- CAS number 1246817-44-6 for unambiguous identification.
- Storage: powder -20°C (3 years) or 4°C (2 years); in solvent -80°C (6 months).
- Appearance: off-white to light yellow solid; packaged as 1 MG vial.
![Revvity Health Sciences Inc Dihydroxyphenylethylamine, 3,4-[7-<sup>3</sup>H]-, 1mCi (37MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810480.jpg-250.jpg)
Revvity Health Sciences Inc Dihydroxyphenylethylamine, 3,4-[7-3H]-, 1mCi (37MBq)
Dihydroxyphenylethylamine, 3,4-[7-3H]-, 1mCi (37MBq)
![Revvity Health Sciences Inc LH-RH, [<sup>125</sup>I]-[D-Trp<sup>6</sup>]-, 10µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810486.jpg-250.jpg)
Medchemexpress LLC Octanedioic acid-d12 | 169397-99-3 | 98.6% | 186.27 | C8H2D12O4 | 5 MG
Suberic acid-d12 (octanedioic acid-d12) is the deuterium-labeled form of suberic acid (CAS 169397-99-3) supplied as a white to off-white solid for laboratory research. It is intended for use as an isotopically labeled standard or tracer in analytical, metabolic, and mass spectrometry applications and is provided with a certificate of analysis confirming purity and characterization.
- Deuterium-labeled octanedioic acid suitable for tracer and internal standard use.
- CAS 169397-99-3.
- Chemical formula C8H2D12O4; molecular weight 186.27.
- Purity 98.6% as supplied.
- White to off-white solid appearance.
- Supplied in small research pack sizes suitable for analytical applications.
- Intended for research use only, not for human or clinical use.
Cayman Chemical Losartan-d4 1mg
An internal standard for the quantification of losartan (potassium salt) by GC- or LC-MS
Medchemexpress LLC Fluralaner-13C2,15N,d3 | 864731-61-3 | 98.4% | 562.28 | 1 MG
Fluralaner-13C2,15N,d3 is the deuterium, 13C-, and 15-labeled Fluralaner. This systemic insecticide and acaricide works through potent blockage of GABA and L-glutamate gated chloride channels.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Medchemexpress LLC Lanosterol-d6 | 28290-39-3 | MFCD22416700 | 99.0% | 432.75 | C30H44D6O | 100 UG
Lanosterol-d6 is a deuterium-labeled isotopologue of lanosterol supplied for analytical and research use as an internal standard or tracer in metabolic and quantitative assays. It is intended for use in mass spectrometry and NMR workflows where isotopic labeling improves quantitation and compound tracking.
- Deuterium-labeled internal standard for quantitative NMR, GC-MS, and LC-MS.
- High purity, suitable for analytical applications.
- Molecular formula C30H44D6O and molecular weight 432.75 for reference.
- Solid form; stable as powder at -20°C for extended storage.
- Useful for metabolic pathway studies and enzymatic assays related to cholesterol synthesis.
Medchemexpress LLC Olmesartan-d4 | 1420880-41-6 | 98.8% | 450.53 | 5 MG
Olmesartan-d4 (RNH-6270-d4) is the deuterium-labeled version of Olmesartan, an angiotensin II receptor (AT1R) antagonist. It is primarily used to treat high blood pressure. This compound can serve as a tracer and an internal standard for quantitative analysis methods such as NMR, GC-MS, or LC-MS.
- Used as a tracer for quantitation during drug development
- Can be an internal standard for quantitative analysis
- AT1 receptor antagonist
- Deuterium-labeled compound
- Suitable for NMR, GC-MS, or LC-MS applications
Medchemexpress LLC 2-aminofluorene-d11 | 347841-44-5 | MFCD01074176 | 99.0% | 192.3 g/mol | C13D11N | 1 MG
2-Aminofluorene-d11 is the deuterium-labeled isotopologue of 2-aminofluorene (CAS 347841-44-5), provided as a stable-isotope reference standard for analytical and research applications. It is intended for use as an internal standard in mass spectrometry, method development, and isotopic tracer studies; reported purity (HPLC) is 99% with isotopic enrichment around 98%.
- Deuterium-labeled (d11) isotopologue for mass spectrometry.
- High purity suitable for analytical standards and reference use.
- High isotopic enrichment for reliable quantitation and tracing.
- Supplied in small, weighed quantities for laboratory use.
- Useful for method development, calibration, and isotope tracing studies.
American Radiolabeled Chemicals Inc IBUPROFEN RS-3H(G) 250UC
Ibuprofen, RS-3H(G) 250uCi in ethanol, 1 mCi/ml, S.A. 1-5 Ci/mmol, M.W. 206.27, Exclusive
Sigma Aldrich Fine Chemicals Biosciences Phosphoric acid-d3 solution 85 wt. % in D2O, 98 atom % D | 14335-33-2 | MFCD00044235 | 100G
Phosphoric acid-d3 solution 85 wt. % in D2O, 98 atom % D | Mol Wt: 101.01 | 14335-33-2 | MFCD00044235 | 100G
![Medchemexpress LLC 3-[[2-[[(4-Carbamimidoylphenyl)amino]methyl]-1-(trideuteriomethyl)benzimidazole-5-carbonyl]-pyridin- | 1246817-44-6 | MFCD21363573 | 95.1% | 474.53 | C25H22D3N7O3 | 10 MG](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000245661.png-250.jpg)
Medchemexpress LLC 3-[[2-[[(4-Carbamimidoylphenyl)amino]methyl]-1-(trideuteriomethyl)benzimidazole-5-carbonyl]-pyridin- | 1246817-44-6 | MFCD21363573 | 95.1% | 474.53 | C25H22D3N7O3 | 10 MG
Dabigatran-d3 is the deuterated (d3) stable-isotope analog of the direct thrombin inhibitor dabigatran. Supplied as an off-white to light-yellow solid, it is intended as an analytical reference standard or internal standard for quantitative mass-spectrometry assays. CAS 1246817-44-6; formula C25H22D3N7O3; MW 474.53; HPLC purity 95.14%.
- Deuterated internal standard for LC-MS quantitation.
- Off-white to light-yellow solid suitable for storage and handling.
- High isotopic labeling for accurate analyte normalization.
- Characterized molecular weight and formula for method development.
- Sufficient HPLC purity for analytical reference use.