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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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Search Within Results
Keyword Search:
4,651 – 4,665 of 8,797 results
4,651

Medchemexpress LLC Piperidin-4-ol-d5 | 50MG
SDP

Piperidin-4-ol-d5 | 50MG

ENCOMPASS_PREFERRED
4,652

Cayman Chemical Octanoic Acid-13C, Purity: ≥98%, CAS: 59669-16-8, 250 mg

An internal standard for the quantification of octanoic acid by GC- or LC-MS

ENCOMPASS_PREFERRED
4,653

Sigma Aldrich Fine Chemicals Biosciences Cyclohexanone-2,2,6,6-d4 98 atom % D | 1006-03-7 | MFCD00144022 | 5G

Cyclohexanone-2,2,6,6-d4 98 atom % D | Purity: 99% (CP) | Mol Wt: 102.17 | 1006-03-7 | MFCD00144022 | 5G

ENCOMPASS
4,654

American Radiolabeled Chemicals Inc SUMATRIPTAN METHYL-3H

Sumatriptan [methyl-3H]

ENCOMPASS_PREFERRED
4,655

Medchemexpress LLC Metronidazole-d4 | 1261392-47-5 | 98.3% | 1 MG
SDP

Metronidazole-d4 is a deuterium-labeled Metronidazole, a nitroimidazole antibiotic medication used for anaerobic bacteria and protozoa. It is for research use only and not sold to patients. Deuteration has gained attention due to its potential to affect the pharmacokinetic and metabolic profiles of drugs.

  • Can be used as a tracer.
  • Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.

ENCOMPASS_PREFERRED
4,656

Cambridge Isotope Laboratories ETHANOL (1,1-D2, 98%) (, 5 G, 1859-09-2

ETHANOL (1,1-D2, 98%) (, 5 G, 1859-09-2

ENCOMPASS
4,657

American Radiolabeled Chemicals Inc SAM COLD 100ME

S-(5AE-Adenosyl)-L-methionine (SAM) 100ME as solid, M.W. 398.5, CAS # 29908-03-0, Shipped in Dry Ice

ENCOMPASS
4,658

Cayman Chemical Triptolide-d3, Purity: ≥99% deuterated forms (d1-d3), 1 mg

An internal standard for the quantification of triptolide by GC- or LC-MS

ENCOMPASS_PREFERRED
4,659

Sigma Aldrich Fine Chemicals Biosciences 1-Methylnaphthalene-d10 98 atom % D, 98% (CP) | 38072-94-5 | MFCD00134450 | 5G

1-Methylnaphthalene-d10 98 atom % D, 98% (CP) | Purity: 98% (CP) | Mol Wt: 152.26 | 38072-94-5 | MFCD00134450 | 5G

ENCOMPASS
4,660

Revvity Health Sciences Inc Iodine-125 Radionuclide, 1mCi, Specific Activity: ~17Ci/mg, 10-5M NaOH (pH 8-11)

Iodine-125 Radionuclide, 1mCi, Specific Activity: ~17Ci/mg, 10-5M NaOH (pH 8-11)

ENCOMPASS
4,661

Cambridge Isotope Laboratories cis-1 2 3 6-Tetrahydrophthalimide (ring-3 3 4 5 6 6- D6 98%) 0 1 g

cis-1 2 3 6-Tetrahydrophthalimide (ring-3 3 4 5 6 6- D6 98%) 0 1 g

ENCOMPASS
4,662

Cambridge Isotope Laboratories METHANE (D2, 98%), 1 L, 676-55-1

METHANE (D2, 98%), 1 L, 676-55-1

ENCOMPASS
4,663

Medchemexpress LLC Fenoterol-d6 hydrobromide | 1286129-04-1 | 98.0% | 5 MG
SDP

Fenoterol-d6 hydrobromide | 1286129-04-1 | 98.0% | 5 MG

ENCOMPASS_PREFERRED
4,664

Sigma Aldrich Fine Chemicals Biosciences Iodoethane-d5 99.5 atom % D, contains copper as stabilizer | 6485-58-1 | MFCD00001092 | 1G

Iodoethane-d5 99.5 atom % D, contains copper as stabilizer | Purity: 99% (CP) | Mol Wt: 161 | 6485-58-1 | MFCD00001092 | 1G

ENCOMPASS
4,665

Cambridge Isotope Laboratories D-GLUCOSE (4-13C, 99%), 1 G, 84270-10-0

D-GLUCOSE (4-13C, 99%), 1 G, 84270-10-0

ENCOMPASS