Isotopically Labeled Compounds
Cambridge Isotope Laboratories URIDINE 5'-TRIPHOSPHATE, AMMONIUM SALT (D8, 97%+) CHEMICAL PURITY 90%+ (IN SOLN), 20 UMOL
URIDINE 5'-TRIPHOSPHATE, AMMONIUM SALT (D8, 97%+) CHEMICAL PURITY 90%+ (IN SOLN), 20 UMOL
Cambridge Isotope Laboratories ( /-)-Chloramphenicol (ring-D4 benzyl-D1 98%) 0 01 g
( /-)-Chloramphenicol (ring-D4 benzyl-D1 98%) 0 01 g
Medchemexpress LLC L-ornithine-d7 hydrochloride | 2483831-57-6 | 99.6% | 175.67 g/mol | C5H6D7ClN2O2 | 25 MG
L-Ornithine-d7 hydrochloride is a deuterated (d7) form of L-ornithine supplied as the hydrochloride salt for use as an isotope-labeled reference standard in analytical workflows such as LC-MS and metabolite tracing. It is provided as a white to off-white solid with high chemical and isotopic purity, suitable for quantitative assays.
- High isotopic labeling enabling accurate mass spectrometry quantitation.
- High chemical purity suitable for use as a reference standard.
- Solid, easy-to-handle powder with consistent appearance.
- Available in multiple small pack sizes for analytical use.
- Storage recommendations for stability: 4°C sealed; in solvent -80°C up to 6 months.
![Revvity Health Sciences Inc Pirenzepine, [N-Methyl-<sup>3</sup>H]-, 1mCi (37MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502811073.jpg-250.jpg)
Revvity Health Sciences Inc Pirenzepine, [N-Methyl-3H]-, 1mCi (37MBq)
Pirenzepine, [N-Methyl-3H]-, 1mCi (37MBq)
Cayman Chemical Silodosin-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 1426173-86-5, 1 mg
An internal standard for the quantification of silodosin by GC- or LC-MS
Medchemexpress LLC D-Fructose-4-13C | 84270-09-7 | 25 MG
D-Fructose-4-13C is a 13C labeled D-Fructose, a naturally occurring monosaccharide found in various plants. This compound is suitable for research applications.
- Can be used as a tracer
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Purity: 99.7%
- Molecular weight: 181.15
- Formula: C₅¹³CH₁₂O₆
- Appearance: Solid
- Color: Off-white to light yellow
- Storage for powder: -20°C for 3 years
- Storage in solvent: -80°C for 6 months, or -20°C for 1 month
Cambridge Isotope Laboratories PROPAZINE UNLABEL 100 UG/ML IN
5000167575 PROPAZINE UNLABEL 100 UG/ML IN
Cambridge Isotope Laboratories L-PHENYLALANINE-N-T-BOC (2-13C, 99%), 0.25 G
L-PHENYLALANINE-N-T-BOC (2-13C, 99%), 0.25 G
Medchemexpress LLC L-Leucine-5,5,5-d3 | 87828-86-2 | 134.19 | 25 MG
L-Leucine-d3 is the deuterium labeled L-Leucine, an essential branched-chain amino acid (BCAA) that activates the mTOR signaling pathway. It can be used as a tracer and as an internal standard for quantitative analysis by methods such as NMR, GC-MS, or LC-MS. Deuteration has gained attention due to its potential to affect the pharmacokinetic and metabolic profiles of drugs. This product is for research use only.
- Used as a tracer in research
- Functions as an internal standard for quantitative analysis
- Suitable for NMR, GC-MS, or LC-MS applications
- Deuterated for potential pharmacokinetic and metabolic profile studies
Medchemexpress LLC L-Glutamine-1-13C (L-Glutamic acid 5-amide-1-13C) | 159663-16-8 | 147.14 | 1 MG
L-Glutamine-1-13C is the 13C-labeled L-Glutamine. L-Glutamine, also known as L-Glutamic acid 5-amide, is a non-essential amino acid abundant throughout the body and involved in many metabolic processes. It provides a source of carbons for oxidation in some cells.
- Can be used as a tracer.
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Stable heavy isotopes can be incorporated into drug molecules as tracers for quantitation during drug development.
Medchemexpress LLC L-ornithine-d6 hydrochloride | 347841-40-1 | MFCD00209770 | 99.2% | 174.66 g/mol | C5H7D6ClN2O2 | 5 MG
L-ornithine-d6 hydrochloride is a deuterium-labeled amino acid supplied as the hydrochloride salt for research use. It is provided as a white to off-white solid with high purity and is intended for use as a tracer or internal standard in quantitative mass spectrometry and NMR analyses.
- Deuterium-labeled amino acid for isotope tracing and quantitation.
- High purity (99.2%) suitable for analytical applications.
- Hydrochloride salt, solid, water soluble (50 mg/mL with warming).
- Applicable as internal standard for NMR, GC-MS, and LC-MS.
- Stable when stored sealed at 4°C; in solution store at -80°C (6 months) or -20°C (1 month).
Medchemexpress LLC P-toluic acid-d3 (4-methylbenzoic acid-d3) | 19215-16-8 | 99% | C8H5D3O2 | 25 MG
P-Toluic acid-d3 is the deuterium labeled p-Toluic acid. It is a substituted benzoic acid and can be used as an intermediate for the synthesis of para-aminomethylbenzoic acid (PAMBA), p-tolunitrile, and other compounds. Intended for research use only, this compound utilizes stable heavy isotopes for quantitative analysis during drug development, leveraging deuteration's potential to affect pharmacokinetic and metabolic profiles.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Cayman Chemical Clofibric Acid-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 1184991-14-7, 5 mg
An internal standard for the quantification of clofibric acid by GC- or LC-MS
Medchemexpress LLC Acetildenafil-d8 | 1189944-10-2 | >98% | 1 MG
Acetildenafil-d8 is the deuterium labeled Acetildenafil. Acetildenafil is a derivative of the phosphodiesterase 5 (PDE5) inhibitor Sildenafil.
- Deuterium labeled
- Derivative of phosphodiesterase 5 (PDE5) inhibitor sildenafil