Isotopically Labeled Compounds
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.
Medchemexpress LLC Propan-2-amine-d7 h 50mg
Propan-2-amine-d7 (hydrochloride) is the deuterium labeled Propan-2-amine hydrochloride[1]
Medchemexpress LLC Nevirapine-d4 | 1051418-95-1 | ≥99.0% | 270.32 | C15H10D4N4O | 1 MG
Nevirapine-d4 is a deuterium-labeled analogue of nevirapine supplied as a research-grade analytical standard. It is intended for use as an internal standard in LC-MS/MS assays, pharmacokinetic and metabolic studies, and analytical method development where isotopically labeled reference material is required. Supplied as a 1 mg solid with high deuterium incorporation.
Cambridge Isotope Laboratories CHLOROMETHANE (13C, 99%), 1 L, 19961-13-8
CHLOROMETHANE (13C, 99%), 1 L, 19961-13-8
Cambridge Isotope Laboratories AZT (METHYL-13C, 99%) 96% CHEMICAL PURITY, 10 MG, 202114-48-5
AZT (METHYL-13C, 99%) 96% CHEMICAL PURITY, 10 MG, 202114-48-5
Cayman Chemical 2-DeoxyurIdIn-d2 5mg
An internal standard for the quantification of 2’-deoxyuridine by GC- or LC-MS
![Revvity Health Sciences Inc Cholesteryl Oleate, [Oleate-1-<sup>14</sup>C]-, 50µCi (1.85MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502809460.jpg-250.jpg)
Revvity Health Sciences Inc Cholesteryl Oleate, [Oleate-1-14C]-, 50µCi (1.85MBq)
Cholesteryl Oleate, [Oleate-1-14C]-, 50µCi (1.85MBq)
Cambridge Isotope Laboratories L-HISTIDINE:HCL:H2O (<5% D) (13C6, 97-99%; 15N3, 97-99%), 0.1 G
L-HISTIDINE:HCL:H2O (<5% D) (13C6, 97-99%; 15N3, 97-99%), 0.1 G
Cambridge Isotope Laboratories METHYL ACRYLATE (2,3,3-D3, 98%) + 0.1% BHT, 0.5 G
METHYL ACRYLATE (2,3,3-D3, 98%) + 0.1% BHT, 0.5 G
Medchemexpress LLC α,α-dimethylglycine-d6 | 50348-93-1 | 99.7% | 109.16 g/mol | C4H3D6NO2 | 10mg
NSC 16590-d6 is the deuterium labeled NSC 16590 NSC 16590 inhibits the production of endogenous ethylene in the cotyledonary segments of cocklebur
Medchemexpress LLC D-tyrosine-d7 | 1426174-46-0 | 97.3% | 188.23 | C9H4D7NO3 | 5mg
D-Tyrosine-d7 is the deuterium labeled D-Tyrosine (HY-Y0444)[1] D-Tyrosine is the D-isomer of tyrosine D-Tyrosine negatively regulates melanin synthesis by inhibiting tyrosinase activity D-Tyrosine inhibits biofilm formation and trigger the self-dispersal of biofilms without suppressing bacterial growth[2][3]
Medchemexpress LLC Tryptamine-d2 hydrochloride | 362049-48-7 | 99.9% | 1 MG
Tryptamine-d2 (hydrochloride) is a deuterium labeled Tryptamine hydrochloride. Tryptamine hydrochloride is a monoamine alkaloid, similar to other trace amines, and is believed to play a role as a neuromodulator or neurotransmitter. This compound is for research use only and is not sold to patients.
- 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 L-proline (13C5, 15N) | 202407-23-6 | MFCD00144671 | 99.6% | 121.09 g/mol | 13C5H9 15NO2 | 10mg
L-Proline-13C5 1-15N is the 13C- and 15N-labeled L-Proline L-Proline is one of the twenty amino acids used in living organisms as the building blocks of proteins
Medchemexpress LLC Meropenem-d6 | 1217976-95-8 | 98.0% | C17H19D6N3O5S | 10MG
Meropenem-d6 is a deuterium-labeled isotopologue of the carbapenem antibiotic meropenem, provided as a high-purity analytical standard for research use. It is intended as an internal standard for LC-MS or GC-MS quantification and other analytical assays. Not for human or clinical use.
- Deuterium-labeled internal standard for accurate quantification.
- High purity (98.0%) suitable for analytical methods.
- Compatible with LC-MS and GC-MS workflows.
- Available in small, weighed quantities for standards preparation.
- Intended for research use only; not for human use.
