Isotopically Labeled Compounds
Cayman Chemical StearIc AcId-d5 5mg
An internal standard for the quantification of stearic acid by GC- or LC-MS
Medchemexpress LLC Pantothenic acid-13C3,15N hemicalcium | 356786-94-2 | 99.3% | 1 MG
Pantothenic acid-13C3,15N (hemicalcium) is the 13C-labeled and 15N-labeled D-Pantothenic acid. D-Pantothenic acid is an essential trace nutrient that functions as the obligate precursor of coenzyme A (CoA). It plays key roles in myriad biological processes, including many that regulate carbohydrate, lipid, protein, and nucleic acid metabolism.
- 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 Everolimus-d4 | 1338452-54-2 | MFCD21363580 | >99.0% | 962.25 | C53H79D4NO14 | 500 UG
Everolimus-d4 is the deuterium-labeled analog of everolimus provided as a stable isotope internal standard for analytical quantification. It retains the parent compound structure with four deuterium atoms and is intended for use in bioanalytical assays and method development.
- Deuterium labeled internal standard (d4) for accurate quantitation.
- High isotopic purity (>99% d1-d4), minimizing unlabeled impurity interference.
- Suitable for LC-MS and GC-MS method development and routine analysis.
- Molecular formula C53H79D4NO14; molecular weight ~962.25.
- Supplied in preweighed analytical quantities; follow supplier storage recommendations.
Revvity Health Sciences Inc Ultima Gold 3H Quenched Standards, 7 mL Vial
Ultima Gold 3H Quenched Standards, 7 mL Vial
Cambridge Isotope Laboratories L-SERINE (13C3, 99%; 15N, 99%), 0.5 G, 202407-34-9
L-SERINE (13C3, 99%; 15N, 99%), 0.5 G, 202407-34-9
Medchemexpress LLC 5-(methyl-13C)pyrimidine-2,4(1H,3H)-dione-1,3-15N2 | 99.9% | 129.09 | C413CH615N2O2 | 5mg
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]
Cayman Chemical 2-NonylquInolIn-4 1H-on-d4 5mg
An internal standard for the quantification of 2-nonylquinolin-4(1H)-one by GC- or LC-MS
Medchemexpress LLC L-838417-d9 | 1213669-91-0 | MFCD28386315 | 99.7% | 408.45 g/mol | C19H10D9F2N7O | 10 MG
L-838417-d9 is the deuterium-labeled analog of L-838417, a subtype-selective positive allosteric modulator of GABAA receptors that acts as a partial agonist at α2, α3, and α5 subunits. It is provided as a high-purity isotopically labeled compound for research applications such as pharmacology, receptor occupancy, and analytical method development.
- Isotopically labeled tracer for analytical quantification and metabolic studies.
- High purity for reliable experimental results.
- Suitable for pharmacology and receptor-binding assays.
- Stable powder with defined cold-storage recommendations.
- Molecular weight and formula provided for analytical calculations.
Cambridge Isotope Laboratories L-PHENYLALANINE (D8, 98%; 15N, 98%), 0.5 G
L-PHENYLALANINE (D8, 98%; 15N, 98%), 0.5 G
Cambridge Isotope Laboratories URACIL (1,3-15N2, 98%), 0.5 G, 5522-55-4
URACIL (1,3-15N2, 98%), 0.5 G, 5522-55-4
Medchemexpress LLC Sulfamethazine-d4 | 1020719-82-7 | 99.9% | C12H10D4N4O2S | 5 MG
Sulfamethazine-d4 is a deuterium-labeled version of Sulfamethazine, an antimicrobial used to treat and prevent various animal diseases, including gastrointestinal and respiratory tract infections. This compound is suitable for use as a tracer and internal standard for quantitative analysis in techniques such as NMR, GC-MS, or LC-MS. Deuteration can impact the pharmacokinetic and metabolic profiles of drugs.
- Used as a tracer for quantitative analysis
- Functions as an internal standard for analytical methods
- Impacts pharmacokinetic and metabolic profiles of drugs
- Suitable for research applications
Medchemexpress LLC Menaquinone-4-d7 | 1233937-25-1 | 250 UG
Menaquinone-4-d7 (Vitamin K2(MK-4)-d7) is the deuterium labeled Menaquinone-4. Menaquinone-4 is a vitamin K, used as a hemostatic agent, and also an adjunctive therapy for the pain of osteoporosis.
- Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules.
- Used as tracers for quantitation during the drug development process.
- Deuteration has gained attention because of its potential to affect the pharmacokinetic and metabolic profiles of drugs.
Cambridge Isotope Laboratories AMMONIUM ACETATE (15N, 98%+), 1 G, 86451-35-6
AMMONIUM ACETATE (15N, 98%+), 1 G, 86451-35-6
![Revvity Health Sciences Inc Thymidine, [Methyl-3H]-, Aqueous Sol, Specific Activity: 20 Ci/mmol, 250 µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502812204.jpg-250.jpg)
Revvity Health Sciences Inc Thymidine, [Methyl-3H]-, Aqueous Sol, Specific Activity: 20 Ci/mmol, 250 µCi
Thymidine, [Methyl-3H]-, Aqueous Sol, Specific Activity: 20 Ci/mmol, 250 µCi
Medchemexpress LLC Terconazole-d4 | 1398065-50-3 | 5 MG
Terconazole-d4 is the deuterium labeled Terconazole. Terconazole is a broad-spectrum antifungal medication used for the treatment of vaginal yeast infection.
- Deuterium labeled compound
- Broad-spectrum antifungal
- Treats vaginal yeast infection