Isotopically Labeled Compounds
Medchemexpress LLC 2-aminofluorene-d11 | 347841-44-5 | 99.0% | 192.30 g·mol⁻¹ | C13D11N | 5 MG
2-Aminofluorene-d11 is the deuterium-labeled analogue of 2-aminofluorene supplied as a powder for use as an isotopic internal standard, tracer, or reference material in analytical and biochemical research. It is intended for applications that require mass-shifted analogues for mass spectrometry, metabolic studies, or DNA-adduct investigations.
- Deuterium-labeled internal standard suitable for mass spectrometry.
- High isotopic enrichment (98%) for clear mass separation.
- High chemical purity (99% by HPLC) for analytical reliability.
- Molecular weight supports precise mass calculations (192.30 g·mol⁻¹).
- Supplied as a stable powder for ease of storage and handling.
Medchemexpress LLC Alfacalcidol-d6 | 1641940-94-4 | C27H38D6O2 | 5 MG
Alfacalcidol-d6 is the deuterium labeled Alfacalcidol, functioning as a non-selective VDR activator. This compound can be utilized as a tracer and an internal standard for quantitative analysis methods such as NMR, GC-MS, or LC-MS.
- Deuterium-labeled compound
- Non-selective VDR activator
- Suitable for use as a tracer
- Functions as an internal standard for quantitative analysis
- Applicable in NMR, GC-MS, and LC-MS analytical techniques
Storage conditions: Powder: -20°C for 3 years, 4°C for 2 years. In solvent: -80°C for 2 years, -20°C for 1 year.
Cambridge Isotope Laboratories TAURINE (1,2-13C2, 98%), 0.5 G, 70155-54-3
TAURINE (1,2-13C2, 98%), 0.5 G, 70155-54-3
Cambridge Isotope Laboratories ETHYLENE GLYCOL D4, 98% 5G
ETHYLENE GLYCOL (D4, 98%)Chemical Purity98%.Chemical Formula HO(CD2)2OH.Labeled CAS# 2219-51-4
Medchemexpress LLC Cortisone-d8 | 1257650-98-8 | 98.2% | 368.49 | 1 MG
Cortisone-d8 is the deuterium labeled Cortisone, an oxidized metabolite of Cortisol (a Glucocorticoid). It acts as an immunosuppressant and anti-inflammatory agent, and can partially intervene in binding of Glucocorticoid to Glucocorticoid-receptor at high concentrations. This compound is for research use only.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC Puromycin-d3 dihydrochloride | 1 MG
Puromycin-d3 dihydrochloride is a deuterium-labeled aminonucleoside antibiotic that inhibits protein synthesis. Stable heavy isotopes have been incorporated into this drug molecule for use as a tracer in drug development. Deuteration can impact the pharmacokinetic and metabolic profiles of drugs.
- Inhibits protein synthesis.
- Deuterium labeled compound.
- Functions as a tracer for quantitation in drug development.
- Affects pharmacokinetic and metabolic profiles.
- Molecular formula: C₂₂H₂₈D₃Cl₂N₇O₅
- Molecular weight: 547.45 g/mol
- Targets bacterial, antibiotic, and isotope-labeled compounds.
- Soluble in methanol, DMSO, and ethanol.
Cambridge Isotope Laboratories 4-METHYLUMBELLIFERONE 234METHY
5000167603 4-METHYLUMBELLIFERONE 234METHY
Cayman Chemical EthIonamIde-d3 500ug
An internal standard for the quantification of ethionamide by GC- or LC-MS
Cambridge Isotope Laboratories Diethyl phthalate (ring-D4 98%) 0 25 g
Diethyl phthalate (ring-D4 98%) 0 25 g
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 L-Aspartic acid-15N | 3715-16-0 | 134.10 | 50 MG
L-Aspartic acid-15N is the 15N-labeled version of L-Aspartic acid, an amino acid that can penetrate the blood-brain barrier. It is commonly used for preparing prodrugs to target colon and cecal tissues and in the study of inflammatory conditions.
- Used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Intended for research use only
Medchemexpress LLC Dxd-d5 (Exatecan-d5 derivative for ADC) | 1599440-33-1 | 98.9% | 498.51 | 1 ML
Dxd-d5 is a deuterium labeled Dxd, which is a potent DNA topoisomerase I inhibitor with an IC50 of 0.31 μM. It is used as a conjugated drug of HER2-targeting ADC (DS-8201a).
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Deuteration can influence the pharmacokinetic and metabolic profiles of drugs.
- Intended for research use only.
Cambridge Isotope Laboratories 1,4-BUTANEDIOL-2,2,3,3-D4 (D, 98%), 5 G, 38274-25-8
1,4-BUTANEDIOL-2,2,3,3-D4 (D, 98%), 5 G, 38274-25-8