Isotopically Labeled Compounds
Medchemexpress LLC NSC 10281-d4 | 1219802-01-3 | 10mg
NSC 10281-d4 is the deuterium labeled NSC 10281[1]
Medchemexpress LLC P-fluorophenol-d6 | 1219804-93-9 | 98.5% | 117.13 | C6D5FO | 5mg
p-Fluorophenol-d6 is the deuterium labeled p-Fluorophenol[1]
Medchemexpress LLC Acetophenone-d8 | 19547-00-3 | MFCD00064447 | 100.0% | 128.20 g/mol | C8D8O | 500mg
Acetophenone-d8 is the deuterium labeled Acetophenone Acetophenone is an organic compound with simple structure[1]
Cambridge Isotope Laboratories 1% DCDFE 10% CCl3F 6% TMS in acetone-D6 in a 7 sealed NMR tube/fill height 50mm 1 5mm tube
1% DCDFE 10% CCl3F 6% TMS in acetone-D6 in a 7 sealed NMR tube/fill height 50mm 1 5mm tube
Medchemexpress LLC DL-Homocysteine-d4 | 416845-90-4 | 98.4% | 139.21 | 1 MG
DL-Homocysteine-d4 is the deuterium labeled DL-Homocysteine. DL-Homocysteine is a weak neurotoxin, and can affect the production of kynurenic acid in the brain. 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. Deuteration has gained attention because of its potential to affect the pharmacokinetic and metabolic profiles of drugs.
- 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.
Medchemexpress LLC 2,4(1H,3H)-Pyrimidinedione-6-d, 5-(methyl-d3)- | 200496-79-3 | 98% | 130.14 | 25 MG
Thymine-d4 is the deuterium labeled Thymine, one of the four nucleobases in the nucleic acid of DNA. It can be a target for actions of 5-fluorouracil (5-FU) in cancer treatment, with a Km of 2.3 μM. Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules as tracers for quantitation during drug development. Deuteration, in particular, has potential to affect the pharmacokinetic and metabolic profiles of drugs.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC Piperazin-2-one-3,3,5,5,6,6-d6 | 1219803-71-0 | 99.3% | 106.16 | 25 MG
Piperazin-2-one-d6 is the deuterium labeled Piperazin-2-one. Piperazin-2-one is a piperazine ring derivative containing amide and ester carbonyl groups. As an important intermediate, it can be used for the synthesis of various active compounds. It is for research use only and not sold to patients.
- Stable heavy isotope of hydrogen, carbon, and other elements incorporated into drug molecules.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Deuteration may affect the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC N-(tert-Butoxycarbonyl)-L-alanine-3,3,3-d3 | 161602-47-7 | MFCD00084110 | 99.0% | 192.23 | 25 MG
Boc-L-Ala-OH-d3 is a deuterium labeled form of Boc-L-Ala-OH, utilized as a tracer and internal standard in quantitative analysis. Its stable heavy isotopes are valuable for drug development, influencing pharmacokinetic and metabolic profiles.
- Isotopic purity of 99 atom % D
- Solid form
- Optical activity of [α]20/D -23°, c = 2 in acetic acid
- Melting point of 79-83 °C (lit.)
- Suitable for bio NMR techniques
- Used in peptide synthesis
- Functional group is Boc
- Mass shift of M+3
- Can be used as a tracer
- Internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC Piperazin-2-one-3,3,5,5,6,6-d6 | 1219803-71-0 | 99.3% | 106.16 | 1 MG
Piperazin-2-one-d6 is the deuterium labeled version of Piperazin-2-one, which is a piperazine ring derivative containing amide and ester carbonyl groups. It serves as an important intermediate for the synthesis of various active compounds. Deuteration has the potential to affect the pharmacokinetic and metabolic profiles of drugs.
- Deuterium labeled compound
- Stable heavy isotope
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Purity: 99.3%
- Appearance: Solid, white to off-white
American Radiolabeled Chemicals Inc CIMETIDINE 14C 50UC
Cimetidine-14C 50uCi in ethanol, 0.1 mCi/ml, S.A. 50-60 mCi/mmol, M.W. 252.34, Shipped in Dry Ice, Exclusive
Medchemexpress LLC Diphenhydramine-d5 hydrochloride | 1219795-16-0 | MFCD12022195 | 99.7% | 296.85 | C17H17D5ClNO | 10 MG
Diphenhydramine-d5 hydrochloride is a deuterium-labeled hydrochloride salt of diphenhydramine supplied as a research-grade reference standard for analytical and pharmacokinetic studies. It is intended for use as an internal standard in mass spectrometry and related assays; not for human consumption.
- deuterium-labeled (d5) analogue for tracer and internal standard use.
- hydrochloride salt form for stability and solubility in analytical workflows.
- suitable for LC-MS/MS and quantitative pharmacokinetic studies.
- low-quantity packaging for analytical calibration and method development.
- molecular weight 296.85 and CAS 1219795-16-0 for unambiguous identification.
American Radiolabeled Chemicals Inc CCL2-125I 5UC
MCP-1-125I Bolton-Hunter Labeled 5uCi in buffered solution, 0.025 mCi/ml, S.A. 2200 Ci/mmol, M.W. ~8600, Shipped in Dry Ice