Isotopically Labeled Compounds
Medchemexpress LLC Cholestenone-d5 (4-cholesten-3-one-d5) | 72560-60-2 | MFCD31814277 | 99.4% | 389.67 g/mol | C27H39D5O | 5 MG
Cholestenone-d5 (4-cholesten-3-one-d5) is a deuterated stable-isotope analogue of cholestenone used as an internal standard and tracer in mass spectrometry and lipid metabolism studies. Supplied as a purified powder in small pre-weighed quantities for analytical workflows, it is characterized for defined purity, solubility, and storage stability.
- Deuterated internal standard for mass spectrometry.
- Molecular formula C27H39D5O.
- Molecular weight 389.67 g/mol.
- Purity ~99.4% (99.42% documented).
- Soluble in ethanol at 50 mg/mL (requires ultrasonic).
- Storage: powder -20°C (3 years) or 4°C (2 years); in solvent -80°C (6 months).
- Available in small sizes including 5 mg.
Medchemexpress LLC Midodrine-d6 hydrochloride | 1188265-43-1 | MFCD08063467 | 95.0% | 296.78 | C12H13D6ClN2O4 | 5 MG
Midodrine-d6 hydrochloride is the deuterated isotopologue of midodrine provided for research use as a tracer and internal standard in analytical and pharmacological studies. As an adrenergic α1-receptor agonist, it is applied in cardiovascular research and in the development and validation of quantitative analytical methods.
- Deuterated internal standard for accurate quantification by NMR, GC-MS, and LC-MS.
- Selective adrenergic α1-receptor agonist useful for cardiovascular research.
- High isotopic labeling for clear mass spectrometric distinction from native analyte.
- Available in small packaging sizes suitable for method development and standards preparation.
- Hydrochloride salt form enhances stability and solubility for analytical workflows.
Medchemexpress LLC Gepirone-d8 | 2749331-28-8 | 98.0% | 1MG
Gepirone-d8 | 2749331-28-8 | 98.0% | 1MG
Medchemexpress LLC Pyrrolidin-3-ol-d5 | 1219805-52-3 | 92.15 g/mol | C4H4D5NO | 5 MG
Pyrrolidin-3-ol-d5 is a deuterium-labeled analogue of pyrrolidin-3-ol supplied as a small milligram vial for use as a tracer and internal standard in quantitative analysis by NMR, GC-MS, and LC-MS.
- Deuterium-labeled tracer and internal standard.
- Used for quantitative analysis by NMR, GC-MS, and LC-MS.
- Offered in small milligram pack sizes for analytical workflows.
- Storage: pure form -20°C; in solvent -80°C (short term) or -20°C.
Medchemexpress LLC Ethyl cinnamate-d5 | 856765-68-9 | 99.7% | 181.24 g/mol | C11H7D5O2 | 10mg
Ethyl cinnamate-d5 is the deuterium labeled Ethyl cinnamate[1] Ethyl cinnamate is a fragrance ingredient used in many fragrance compounds Ethyl cinnamate is a food flavor and additive for cosmetic products Ethyl cinnamate is also an excellent clearing reagent for mammalian tissues[2][3]
Medchemexpress LLC 1,6-anhydro-β-D-glucopyranose-d7 | 2483832-05-7 | 99.9% | 169.18 g/mol | C6H3D7O5 | 10 MG
Levoglucosan-d7 is a deuterium-labeled analogue of levoglucosan (1,6-anhydro-β-D-glucopyranose) used as a stable-isotope standard and tracer in analytical chemistry, particularly mass spectrometry and environmental analysis.
- Deuterium-labeled internal standard for mass spectrometry.
- High purity (99.9%) for accurate quantitation.
- Available in small analytical pack sizes, such as 10 mg.
- Solid powder format with defined storage conditions to preserve stability.
- Molecular formula C6H3D7O5, molecular weight 169.18 g/mol.
Medchemexpress LLC 1,2-distearoyl-sn-glycero-3-phosphocholine-d70 | 56952-01-3 | >99.0% | 860.58 g/mol | C44H18D70NO8P | 1 MG
DSPC-d70 (1,2-distearoyl-sn-glycero-3-phosphocholine-d70) is the deuterium-labeled form of a fully saturated phospholipid used in liposome and lipid nanoparticle research and analytical isotope-labeling studies. The d70 isotopologue replaces hydrogen with deuterium to enable improved detection in mass spectrometry and NMR, and to act as an isotopic tracer in formulation stability and biodistribution experiments.
- Deuterium-labeled phospholipid for isotope tracing and analytical studies.
- Suitable for liposome and lipid nanoparticle formulations.
- High molecular weight and full saturation for stable bilayer formation.
- Useful in mass spectrometry and NMR applications to simplify spectral interpretation.
- Available in small pack sizes for research-scale experiments.
Medchemexpress LLC Triundecanoin-d5 | 601.95 | C36H63D5O6 | 10mg
Triundecanoin-d5 is the deuterium labeled Triundecanoin
Medchemexpress LLC Etoxazole-d5 | 98.0% | 364.44 g/mol | C21H18D5F2NO2 | 1 MG
Etoxazole-d5 is the deuterium-labeled form of etoxazole intended for use as an isotope-labeled reference in analytical and research applications. It is used as a tracer or internal standard for quantitation and environmental or metabolic studies.
- Isotope-labeled reference standard for analytical quantitation.
- Deuterated (D5) analog of etoxazole.
- Molecular weight: 364.44 g/mol.
- Chemical formula: C21H18D5F2NO2.
- Available in small-quantity packs suitable for standards (e.g., 1 mg).
Medchemexpress LLC 2-naphthol-d7 | 78832-54-9 | MFCD01074243 | 95.0% | 151.22 | C10HD7O | 50mg
2-Naphthol-d7 is the deuterium labeled 2-Naphthol[1] 2-Naphthol is a metabolite of naphthalene catalyzed by cytochrome P450 (CYP) isozymes (CYP 1A1 CYP 1A2 CYP 2A1 CYP 2E1 and CYP 2F2)[2]
Medchemexpress LLC 2-naphthol-d7 | 78832-54-9 | MFCD01074243 | 95.0% | 151.22 g/mol | C10HD7O | 5mg
2-Naphthol-d7 is the deuterium labeled 2-Naphthol[1] 2-Naphthol is a metabolite of naphthalene catalyzed by cytochrome P450 (CYP) isozymes (CYP 1A1 CYP 1A2 CYP 2A1 CYP 2E1 and CYP 2F2)[2]
Medchemexpress LLC Thymine | MFCD00006026 | 99.9% | 129.09 g/mol | C5H6N2O2 | 1mg
Thymine-15N2 13C is the 13C and 15N labeled Thymine (HY-W010450) Thymine is one of the four nucleobases in the nucleic acid of DNA and can be a target for actions of 5-Fluorouracil (HY-90006) in cancer treatment with a Km of 2 3 M[1]
Medchemexpress LLC Monohydroxy-3-butenyl mercapturic acid-d6 | >98.0% | 478.64 g/mol | C18H18D12N2O8S2 | 1mg
MHBMA-d6 is the deuterium labeled MHBMA[1]
Medchemexpress LLC Pipecolic acid-d9 | 790612-94-1 | 99.9% | 138.21 | C6H2D9NO2 | 5mg
Pipecolic acid-d9 is the deuterium labeled Pipecolic acid Pipecolic acid is a metabolite of lysine and an important precursor for many useful microbial secondary metabolites Pipecolic acid slows ferroptosis in diabetic retinopathy by inhibiting the YAP-GPX4 signaling pathway In addition Pipecolic acid can be used as a diagnostic marker for pyridoxine-dependent epilepsy[1][2][3]
Medchemexpress LLC Benzophenone-d10 | 22583-75-1 | MFCD00143675 | 99.6% | 192.28 | C13D10O | 25mg
Benzophenone-d10 is the deuterium labeled Benzophenone (HY-Y0546) Benzophenone is an endogenous metabolite Benzophenone is a photosensitizer that absorbs UV light transfers its energy to DNA and triggers DNA damage Benzophenone can be used as the fragrance enhancer ultraviolet curing agent additive in plastics or the flavor ingredient Benzophenone can also be used in the manufacturing of insecticides agricultural chemicals hypnotics antihistamines and other pharmaceuticals Benzophenone exhibits certain carcinogenicity in mouse/rat models under long term exposure Benzophenone exhibits estrogenic activity[1][2]