Isotopically Labeled Compounds
Cambridge Isotope Laboratories Guanidinoacetic acid (1 2-13C2 97-99% 3-15N 97-99%) CP 97% 0 1 mg
Guanidinoacetic acid (1 2-13C2 97-99% 3-15N 97-99%) CP 97% 0 1 mg
Cayman Chemical SulfadIazIn-d4 5mg
An internal standard for the quantification of sulfadiazine by GC- or LC-MS
![Revvity Health Sciences Inc CP 55940, [Side Chain-2,3,4-<sup>3</sup>H(N)]-, 25µCi (925kBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810012.jpg-250.jpg)
Revvity Health Sciences Inc CP 55940, [Side Chain-2,3,4-3H(N)]-, 25µCi (925kBq)
CP 55940, [Side Chain-2,3,4-3H(N)]-, 25µCi (925kBq)
Medchemexpress LLC D-Fructose-d | 374089-83-5 | 100 MG
D-Fructose-d is a deuterium-labeled form of D-Fructose, a naturally occurring monosaccharide found in many plants. This stable heavy isotope of D-Fructose is primarily used in research and analytical applications where precise tracking and quantitation of metabolic processes are essential. Deuterium labeling offers advantages in studying drug metabolism and pharmacokinetics due to its potential to alter metabolic profiles.
- Deuterium labeled D-Fructose for metabolic research
- Suitable as a tracer in various biological studies
- Can be used as an internal standard for quantitative analysis
- Compatible with analytical techniques such as NMR, GC-MS, or LC-MS
Medchemexpress LLC Dopamine-d3 hydrochloride | 53587-30-7 | MFCD03428087 | 98.0% | 192.66 g/mol | C8H9D3ClNO2 | 10 MG
Dopamine-d3 hydrochloride is a deuterium-labeled analogue of dopamine supplied as the hydrochloride salt for use as an internal standard or tracer in analytical and research applications, including mass spectrometry and isotope-labeling studies.
- Deuterium-labeled (d3) form for accurate mass spectrometry quantification.
- Hydrochloride salt, stable solid suitable for analytical workflows.
- CAS number 53587-30-7 and molecular weight 192.66 g/mol.
- High isotopic enrichment and chemical purity for reliable internal standard performance.
- Suitable for preparation of calibration standards and method validation in bioanalysis.
Medchemexpress LLC Trimethoprim-d9 | 1189460-62-5 | 99.6% | 299.37 | C14H9D9N4O3 | 10 MG
Trimethoprim-d9 is a deuterium-labeled analogue of the antibiotic trimethoprim, provided as a research-grade stable isotope standard for analytical and tracer applications. It is intended for laboratory research use only and not for human or veterinary use.
- Deuterium-labeled internal standard for mass spectrometry and tracer studies.
- High chemical purity (99.6%).
- Molecular formula C14H9D9N4O3; molecular weight 299.37 g/mol.
- Supplied in a 10 MG quantity (other pack sizes available).
- Suitable for quantitative analysis and method validation.
Cambridge Isotope Laboratories VITAMIN B6 (PYRIDOXAL) (METHYL-D3, 98%), 1 MG, 1173023-49-8
VITAMIN B6 (PYRIDOXAL) (METHYL-D3, 98%), 1 MG, 1173023-49-8
![Revvity Health Sciences Inc EasyTag L-[<sup>35</sup>S]-Methionine, 500µCi (18.5MBq), Stabilized Aqueous Solution](https://assets.fishersci.com/TFS-Assets/CCG/product-images/509051714.jpg-250.jpg)
Revvity Health Sciences Inc EasyTag L-[35S]-Methionine, 500µCi (18.5MBq), Stabilized Aqueous Solution
EasyTag L-[35S]-Methionine, 500µCi (18.5MBq), Stabilized Aqueous Solution
Cambridge Isotope Laboratories Oxybenzone (phenyl-13C6 99%) 1 mg/mL in methanol 1 2 mL
Oxybenzone (phenyl-13C6 99%) 1 mg/mL in methanol 1 2 mL
Cambridge Isotope Laboratories Diethyl malonate (1 2 3-13C3 99%) 0 25 g
Diethyl malonate (1 2 3-13C3 99%) 0 25 g
Cambridge Isotope Laboratories Trifluralin (unlabeled) 100 ug/mL in nonane 1 2 mL
Trifluralin (unlabeled) 100 ug/mL in nonane 1 2 mL
Cambridge Isotope Laboratories Hexachlorobenzene (unlabeled) 100 ug/mL in nonane 1 2 mL
Hexachlorobenzene (unlabeled) 100 ug/mL in nonane 1 2 mL
Cambridge Isotope Laboratories Dechlorane plus syn (unlabeled) 100 ug/mL in nonane 1 2 mL
Dechlorane plus syn (unlabeled) 100 ug/mL in nonane 1 2 mL
Medchemexpress LLC Nifursol-15N2,d2 | 1246833-64-6 | 369.21 g/mol | C12H5D2N3^15N2O9 | 1mg
Nifursol-15N2 d2 is the deuterium and 15N-labeled Nifursol (HY-B1703) Nifursol is an orally active veterinary antibiotic Nifursol inhibits Histomonas meleagridis Nifursol prevents histomoniasis in turkeys Nifursol is widely used in studies of Escherichia coli gastroenteritis in Salmonella-infected poultry and aquatic animals[1][2][3]
Medchemexpress LLC Amisulpride-d5 | 1216626-17-3 | 98.8% | 374.51 | C17H22D5N3O4S | 5 MG
Amisulpride-d5 is the deuterium-labeled form of amisulpride intended for research use as a tracer or internal standard. It maintains the pharmacological profile as a dopamine D2/D3 receptor antagonist and is provided as a white to off-white solid suitable for quantitative analyses by NMR, GC-MS, or LC-MS.
- Deuterium-labeled for isotope-dilution assays.
- Suitable as an internal standard for NMR, GC-MS, and LC-MS.
- High purity (≈98.8%) appropriate for analytical applications.
- Soluble in DMSO and sparingly soluble in water; ultrasonic assistance recommended.
- Stable as a powder at -20°C for long-term storage.