Isotopically Labeled Compounds
Medchemexpress LLC Griseofulvin-13C,d3 | 1329612-29-4 | 356.78 | 1 MG
Griseofulvin-13C,d3 is the 13C- and deuterium labeled Griseofulvin. It is for research use only and 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 1-Butynylbenzene-d5 | 1219803-38-9 | 135.22 g/mol | C10H5D5 | 10 MG
1-Butynylbenzene-d5 is the deuterium-labeled analogue of 1-butynylbenzene provided as an isotope-labeled reagent for research use. It contains an alkyne functional group and is suitable for copper-catalyzed azide-alkyne cycloaddition (CuAAC), making it useful in analytical workflows and synthetic click chemistry applications.
- Deuterium-labeled for tracer and isotope studies.
- Contains an alkyne group compatible with CuAAC click chemistry.
- Useful as an internal standard in analytical quantitation.
- Molecular formula C10H5D5 and molecular weight 135.22 g/mol.
- Storage: pure form -20°C (up to 3 years); in solvent -80°C (6 months) or -20°C (1 month).
eMolecules Citric acid-2,4-13C2 | 121633-50-9 | MFCD00143997 | 100mg
Toronto Research Chemicals | Citric acid-2,4-13C2 | 100mg | 601592864 | C521060 | | 121633-50-9 | MFCD00143997 | 194.108 | C6H8O7
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Medchemexpress LLC Methyl-d3 p-toluenesulfonate | 7575-93-1 | MFCD00069406 | >98.0% | 189.25 g/mol | C8H7D3O3S | 25mg
Methy-d3 (toluenesulfonate) is the deuterium labeled Methy toluenesulfonate[1]
![Revvity Health Sciences Inc Deoxy-D-glucose, 2-[1,2-3H (N)]-, Ethanol Solution, 250 µCi (9.25 MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502812296.jpg-250.jpg)
Revvity Health Sciences Inc Deoxy-D-glucose, 2-[1,2-3H (N)]-, Ethanol Solution, 250 µCi (9.25 MBq)
Deoxy-D-glucose, 2-[1,2-3H (N)]-, Ethanol Solution, 250 µCi (9.25 MBq)
![Revvity Health Sciences Inc RTI-55, [<sup>125</sup>I]-, 250µCi (9.25MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502812379.jpg-250.jpg)
![Cambridge Isotope Laboratories Glycan-N52-13C-Gal6 6 6 ([galactose-13C6 99%]3) 500 pmol](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000168133.jpg-250.jpg)
Cambridge Isotope Laboratories Glycan-N52-13C-Gal6 6 6 ([galactose-13C6 99%]3) 500 pmol
Glycan-N52-13C-Gal6 6 6 ([galactose-13C6 99%]3) 500 pmol
Medchemexpress LLC 1,6-anhydro-β-D-glucopyranose-d7 | 2483832-05-7 | 99.9% | 169.18 g/mol | C6H3D7O5 | 5 MG
Levoglucosan-d7 is the deuterium-labeled isotopologue of levoglucosan intended for research and analytical applications, commonly used as an internal standard in mass spectrometry assays.
- deuterium-labeled levoglucosan (stable isotope standard)
- intended for research and analytical applications, such as internal standard use in mass spectrometry
- cas number 2483832-05-7
- molecular formula C6H3D7O5
- molecular weight 169.18 g/mol
- purity 99.9%
- package size 5 mg
- storage: powder -20 °C (3 years), 4 °C (2 years); in solvent -80 °C (6 months), -20 °C (1 month)
Medchemexpress LLC 1-dodecanol-d25 | 160776-83-0 | MFCD00144869 | >98.0% | 211.49 g/mol | C12HD25O | 25mg
1-Dodecanol-d25 is the deuterium labeled 1-Dodecanol 1-Dodecanol is an endogenous metabolite
Medchemexpress LLC L-(-)-xylose-2-13C | 478506-63-7 | 99.0% | 151.12 | C5H10O5 (13C at 2-position) | 10 MG
L-Xylose-2-13C is the 13C-labeled form of L-xylose used as an isotopically labeled standard or tracer in analytical and synthetic applications. It is suitable for use as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS, and as a raw material for synthesis of bioactive molecules.
- Isotopically labeled at the 2-position for precise tracer studies.
- High purity suitable for analytical applications.
- Available in small pack sizes for method development and standards.
- Solid, white to off-white appearance for easy handling.
Medchemexpress LLC Benzyl salicylate-d4 | 1219802-40-0 | 1 MG
Benzyl salicylate-d4 is a deuterium-labeled form of Benzyl salicylate, which is a salicylic acid benzyl ester. It can function as a fragrance additive or a UV light absorber. This deuterium-labeled compound is valuable as a tracer for quantitation during drug development due to stable heavy isotopes. Deuteration has the potential to influence the pharmacokinetic and metabolic profiles of drugs.
- Deuterium labeled Benzyl salicylate (HY-B1556).
- Can be used as a fragrance additive.
- Functions as a UV light absorber.
- Stable heavy isotopes for tracing in drug development.
- Potential to affect pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Phenacetin-d5 (Acetophenetidin-d5) | 69323-74-6 | MFCD04118296 | 99.5% | 184.25 g/mol | C10H8D5NO2 | 10 MG
Phenacetin-d5 is a deuterium-labeled analogue of phenacetin used as an analytical standard and internal standard in mass spectrometry and quantitative assays. Supplied as a 10 mg solid with high chemical and isotopic purity, it is suitable for method development, quantitative analysis, and pharmacokinetic studies.
- Deuterium-labeled internal standard for mass spectrometry.
- High analytical purity (>99.5%).
- Provided as a 10 mg solid suitable for reconstitution.
- Molecular weight 184.25 g/mol and formula C10H8D5NO2.
- Useful for quantitative assays and method validation.
Cambridge Isotope Laboratories L-METHIONINE (D8, 98%; 15N, 98%), 0.25 G
L-METHIONINE (D8, 98%; 15N, 98%), 0.25 G
Cayman Chemical HydroxychloroquIn-d4sulfat 1mg
An internal standard for the quantification of hydroxychloroquine by GC- or LC-MS
Medchemexpress LLC Succinimide-15N | 32807-36-6 | MFCD00084242 | 99.0% | 100.08 | C4H5(15)NO2 | 10 MG
Succinimide-15N is the 15N-labeled form of succinimide supplied as a powder for use as an isotope-labeled reagent in mass spectrometry, tracer studies, and biochemical analyses. It provides high isotopic enrichment and is intended for analytical workflows requiring stable nitrogen labeling.
- 15N-labeled succinimide for tracer and mass spectrometry applications.
- High isotopic and chemical purity (≥99.0%).
- Available in small research sizes such as 5 mg, 10 mg, and 25 mg.
- Powder form with recommended frozen or cold storage to maintain stability.
- CAS number: 32807-36-6.