Isotopically Labeled Compounds
Medchemexpress LLC 2'-Deoxycytidine-15N3 | 951-77-9 | 99.7% | 1 MG
2'-Deoxycytidine-15N3 is the 15N labeled 2'-Deoxycytidine. 2'-Deoxycytidine, a deoxyribonucleoside, can inhibit biological effects of Bromodeoxyuridine (Brdu). It is for research use only and not sold to patients.
- This compound can be used as a tracer.
- This compound can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules, largely as tracers for quantitation during the drug development process.
Medchemexpress LLC L-Isoleucine-15N,d10 | 142.23 | 50MG
L-Isoleucine-15N,d10 is the deuterium and 15N-labeled L-Isoleucine. It is a nonpolar hydrophobic and essential amino acid.
- Deuterium and 15N-labeled.
- Nonpolar hydrophobic amino acid.
- Essential amino acid.
- Powder storage: -20°C for 3 years, 4°C for 2 years.
- In solvent storage: -80°C for 6 months, -20°C for 1 month.
Cayman Chemical Gallic Acid-d2, Purity: ≥99% deutereated forms (d1-d2), CAS: 294660-92-7, 100 mg
An internal standard for the quantification of gallic acid by GC- or LC-MS
Cambridge Isotope Laboratories ESTRADIOL (16,16,17-D3, 98%) 95% CHEMICAL PURITY, 10 MG, 79037-37-9
ESTRADIOL (16,16,17-D3, 98%) 95% CHEMICAL PURITY, 10 MG, 79037-37-9
Medchemexpress LLC Menadione-d3 (Vitamin K3-d3) | 5172-16-7 | 99.1% | 50 MG
Menadione-d3 is the deuterium-labeled Menadione. Menadione, a synthetic naphthoquinone, can be converted to active vitamin K2 in vivo. It is for research use only.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Cayman Chemical ThymIn-13C5 15N2 500ug
An internal standard for the quantification of thymine by GC- or LC-MS
Medchemexpress LLC Spermidine-d6 | 2514812-10-1 | 96.1% | 1 MG
Spermidine-d6 is a deuterium-labeled spermidine that helps maintain cell membrane stability, increases antioxidant enzyme activities, improves photosystem II (PSII), and enhances relevant gene expression. It significantly reduces H2O2 and O2.- contents.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC Oxybenzone-d3 (benzophenone 3-d3) | 131-57-7 | MFCD00008387 | >95.0% | 231.26 g/mol | C14H9D3O3 | 2.5 MG
Oxybenzone-d3 (benzophenone 3-d3) is a deuterium-labeled stable isotope standard of oxybenzone intended for analytical and research use. Provided as a 2.5 mg solid, it serves as an internal standard for mass spectrometry, method development, and quantitation in environmental and cosmetic residue analysis.
- Deuterium-labeled internal standard for mass spectrometry.
- Supplied as a 2.5 mg solid suitable for analytical use.
- Chemical formula C14H9D3O3; molecular weight 231.26 g/mol.
- Used for calibration, quantitation, and method validation.
- Typically accompanied by vendor documentation such as a certificate of analysis.
Cayman Chemical Panobinostat-d4 (hydrochloride), Purity: ≥99% deuterated forms (d1-d4), 5 mg
An internal standard for the quantification of panobinostat by GC- or LC-MS
Medchemexpress LLC Aminoadipic acid-d3 | 2483832-01-3 | MFCD06658660 | 99.1% | 164.17 | C6H8D3NO4 | 5 MG
Aminoadipic acid-d3 is the deuterium-labeled isotopologue of aminoadipic acid (CAS 2483832-01-3), supplied as a high-purity reference standard for analytical and metabolic research. The d3 label permits precise tracking and quantitation in stable isotope tracing and LC-MS workflows, and the compound is provided in small, accurately weighed packages for use as an internal standard.
Medchemexpress LLC 4-n-butyl-d9-aniline | 1219794-78-1 | MFCD00007925 | 97.2% | 158.29 | C10H6D9N | 5mg
4-Butylaniline-d9 is the deuterium labeled 4-Butylaniline[1]
![Revvity Health Sciences Inc Human growth hormone, [<sup>125</sup>I], 50 µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/VN00001872-502097588.JPG-250.jpg)
Revvity Health Sciences Inc Human growth hormone, [125I], 50 µCi
Human growth hormone, [125I], 50 µCi
Cambridge Isotope Laboratories OCTANOIC ACID-D15 (D, 98%), 1 G, 69974-55-6
OCTANOIC ACID-D15 (D, 98%), 1 G, 69974-55-6
Cayman Chemical Lauric Acid-d2, Purity: ≥99% deuterated forms (d1-d2), CAS: 64118-39-4, 50 mg
An internal standard for the quantification of lauric acid by GC- or LC-MS
Cambridge Isotope Laboratories ARACHIDONIC ACID (5,6,8,9,11,12,14,15-D8, 98%), 5 MG, 69254-37-1
ARACHIDONIC ACID (5,6,8,9,11,12,14,15-D8, 98%), 5 MG, 69254-37-1