Isotopically Labeled Compounds

Chemicals to which isotopes have been attached in order to label specific atoms. Isotopically labeled compounds are commonly used in synthetic chemistry, characterization techniques such as NMR, and biology.

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4,366

Medchemexpress LLC Propantheline-d3 bromide | 64717-35-7 | 99.0% | 1 MG

Propantheline-d3 (bromide) is a deuterium-labeled version of Propantheline bromide. Propantheline bromide is an antimuscarinic agent used to treat hyperhidrosis, cramps or spasms of the stomach, intestines, or bladder, and enuresis.

Can be used as a tracer.
Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Stable heavy isotopes have potential to affect pharmacokinetic and metabolic profiles of drugs.

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4,367

Medchemexpress LLC Urethane-d5 | 73962-07-9 | 99.8% | 1 ML

Urethane-d5 is a deuterium labeled form of Urethane, also known as Ethyl carbamate. This compound is the ethyl ester of carbamic acid and is naturally occurring as a byproduct of fermentation in various food products. It demonstrates the ability to suppress bacterial, protozoal, sea urchin egg, and plant tissue growth in vitro. This product is intended for research applications only and is not sold to patients.

Deuterium labeled compound
Ethyl ester of carbamic acid
Byproduct of fermentation
Suppresses bacterial, protozoal, sea urchin egg, and plant tissue growth in vitro
Suitable for use as a tracer
Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS

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4,368

Medchemexpress LLC Cetrimonium-d9 bromide | 95217-14-4 | 25 MG

Cetrimonium-d9 (bromide) is the deuterium labeled Cetrimonium bromide. Cetrimonium bromide (CTAB) is an amine based cationic quaternary surfactant and is one of the components of the topical antiseptic Cetrimide.

Can be used as a tracer.
Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Stable heavy isotopes have been incorporated into drug molecules for quantitation during drug development.
Deuteration may affect the pharmacokinetic and metabolic profiles of drugs.

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4,369

Cambridge Isotope Laboratories Potassium Nitrate (15n+) 1gm-1 Gram

Potassium Nitrate (15n+) 1gm-1 Gram

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4,370

Sigma Aldrich Fine Chemicals Biosciences Dibutyl phthalate-3,4,5,6-d4 98 atom % D | 93952-11-5 | MFCD00144148 | 25MG

Dibutyl phthalate-3,4,5,6-d4 98 atom % D | Mol Wt: 282.37 | 93952-11-5 | MFCD00144148 | 25MG

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4,371

Medchemexpress LLC Benzophenone-d5 | 2694-78-2 | MFCD00084123 | 100.0% | 187.25 | C13H5D5O | 1mg

Benzophenone-d5 is the deuterium labeled Benzophenone (HY-Y0546) Benzophenone is an endogenous metabolite Benzophenone is a photosensitizer that absorbs UV light transfers its energy to DNA and triggers DNA damage Benzophenone can be used as the fragrance enhancer ultraviolet curing agent additive in plastics or the flavor ingredient Benzophenone can also be used in the manufacturing of insecticides agricultural chemicals hypnotics antihistamines and other pharmaceuticals Benzophenone exhibits certain carcinogenicity in mouse/rat models under long term exposure Benzophenone exhibits estrogenic activity[1][2]