Isotopically Labeled Compounds
Medchemexpress LLC Acetazolamide-d3 | 1189904-01-5 | 99.9% | 1 MG
Acetazolamide-d3 is a deuterium-labeled form of Acetazolamide, a carbonic anhydrase (CA) IX inhibitor with an IC50 of 30 nM for hCA IX. It exhibits diuretic, antihypertensive, and anti-gonococcal activities. The incorporation of stable heavy isotopes, like deuterium, into drug molecules is primarily for quantitation during the drug development process, with the potential to influence the pharmacokinetic and metabolic profiles of drugs.
- Suitable for use as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Possesses diuretic activity
- Possesses antihypertensive activity
- Possesses anti-gonococcal activities
Cayman Chemical Desogestrel-13C2-d2 1mg
An internal standard for the quantification of desogestrel by GC- or LC-MS
Cayman Chemical StearIc AcId-13C 1g
An internal standard for the quantification of stearic acid by GC- or LC-MS
![Revvity Health Sciences Inc dATP, [α-<sup>32</sup>P]- 6000Ci/mmol 20mCi/ml EasyTide, 1 mCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502809140.jpg-250.jpg)
Revvity Health Sciences Inc dATP, [α-32P]- 6000Ci/mmol 20mCi/ml EasyTide, 1 mCi
dATP, [α-32P]- 6000Ci/mmol 20mCi/ml EasyTide, 1 mCi
Medchemexpress LLC Acetic acid-1-13C | 1563-79-7 | MFCD00037366 | 100.0% | 61.04 g/mol | CH3 13CO2H | 100mg
Acetic acid-1-13C is 13C labeled Acetic acid-1
Medchemexpress LLC (S)-malic acid-d3 | 59652-74-3 | MFCD08705100 | 99.0% | 137.11 | C4H3D3O5 | 1mg
(S)-Malic acid-d3 is the deuterium labeled (S)-Malic acid (S)-Malic acid ((S)-2-Hydroxysuccinic acid) is a dicarboxylic acid in naturally occurring form contributes to the pleasantly sour taste of fruits and is used as a food additive[1][2]
Medchemexpress LLC Glycolaldehyde-1-13C | 71122-42-4 | 99.0% | C13CH4O2 | 10MG
Glycolaldehyde-1-13C is the 13C-labeled form of glycolaldehyde for research use as a stable-isotope tracer and analytical standard. It is supplied as a high-purity aqueous solution suitable for mass spectrometry and NMR applications.
- Isotopic label at carbon 1 (13C).
- High chemical purity: 99.0%.
- High isotopic enrichment (reported ≥99% atom 13C).
- Appearance: colorless to light yellow aqueous solution.
- Intended uses include tracer studies, analytical standards, and NMR reference materials.
- Common research sizes available: 1 mg-100 mg.
![Cambridge Isotope Laboratories Benzo[c]phenanthrene (unlabeled) 100 ug/mL in nonane 1 2 mL](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000166918.jpg-250.jpg)
Cambridge Isotope Laboratories Benzo[c]phenanthrene (unlabeled) 100 ug/mL in nonane 1 2 mL
Benzo[c]phenanthrene (unlabeled) 100 ug/mL in nonane 1 2 mL
Cambridge Isotope Laboratories Palmitic Acid (1-13C, 99%), 57677-53-9, MFCD00002748, 1G
Chemical Formula: CH3(CH2)14*COOH, Molecular Weight: 257.42, Synonym: Hexadecanoic acid-1-13C, MP: 61-64 °C.
Medchemexpress LLC Methyl carbamate-d3 | 124522-32-3 | MFCD34568176 | 98.5% | 1mg
Methyl carbamate-d3 is the deuterium labeled Methyl carbamate[1]
Revvity Health Sciences Inc Ultima Gold 14C & 3H Quenched Standard Set, 20 mL Vial
Ultima Gold 14C & 3H Quenched Standard Set, 20 mL Vial
Cambridge Isotope Laboratories NITROBENZENE (15N, 98%+), 1 G, 3681-79-6
NITROBENZENE (15N, 98%+), 1 G, 3681-79-6
Medchemexpress LLC C26 D,L-Carnitine-d9 | 2260670-67-3 | 99.0% | 548.93 | 1 MG
C26 D,L-Carnitine-d9 is a deuterium-labeled variant of C26 D,L-Carnitine. This compound is intended for research use only. Stable heavy isotopes such as hydrogen and carbon are often integrated into drug molecules to serve as tracers for quantitative analysis during drug development. Deuteration is recognized for its potential to influence the pharmacokinetic and metabolic profiles of drugs.
- Can be utilized as a tracer.
- Suitable as an internal standard for quantitative analysis.
Medchemexpress LLC 1-hydroxypyrene-d9 | 132603-37-3 | MFCD04972163 | 100.0% | 227.31 g/mol | C16HD9O | 5 MG
1-Hydroxypyrene-d9 is a deuterium-labeled analogue of 1-hydroxypyrene used as an internal standard and tracer in analytical assays for polycyclic aromatic hydrocarbons (PAHs). It is intended for research use and supplied as a white to off-white solid with high isotopic and chemical purity.
- High isotopic enrichment and 99.95% purity.
- Suitable as an internal standard for GC-MS, LC-MS, and NMR.
- White to off-white solid, convenient for small-scale analytical use.
- Stable when stored at -20°C as powder and under recommended solvent conditions.
- Packaged in small quantities for trace-level quantitation.
Medchemexpress LLC Idasanutlin-d3-1 (RG7388-d3-1) | C31H26D3Cl2F2N3O4 | 1 MG
Idasanutlin-d3-1 (RG7388-d3-1) is the deuterium-labeled form of Idasanutlin, a potent antagonist of MDM2/p53. It has been shown to inhibit relapsed or refractory acute myeloid leukemia.
- Deuterium-labeled compound.
- Stable heavy isotopes serve as tracers for quantitation during drug development.
- Deuteration can affect the pharmacokinetic and metabolic profiles of drugs.