Isotopically Labeled Compounds

Medchemexpress LLC 1-bromoheptane-d5 | 1219805-66-9 | 184.13 | C7H10D5Br | 10 MG

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1-Bromoheptane-d5 is the deuterium-labeled analogue of 1-bromoheptane used as an isotopic tracer and internal standard in analytical and synthetic chemistry. Supplied as a liquid with molecular formula C7H10D5Br and molecular weight 184.13, it is provided in mg-scale quantities suitable for mass spectrometry, quantitation, and deuterium-labeling studies.

• Deuterium-labeled for use as an isotopic tracer and internal standard.
• Suitable for mass spectrometry quantitation and method validation.
• Provided in mg-scale quantities for analytical workflows.
• Liquid form facilitates accurate spiking and sample preparation.
• Molecular formula C7H10D5Br and CAS 1219805-66-9 for unambiguous identification.

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Revvity Health Sciences Inc Cyclopentyl-1,3-Dipropylxanthine, 8-[Dipropyl-2,3-³H(N)]-, 1mCi (37MBq)

Cyclopentyl-1,3-Dipropylxanthine, 8-[Dipropyl-2,3-³H(N)]-, 1mCi (37MBq)

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Revvity Health Sciences Inc dATP, [α-³²P]- 3000Ci/mmol 10mCi/ml, 250 µCi

dATP, [α-³²P]- 3000Ci/mmol 10mCi/ml, 250 µCi

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American Radiolabeled Chemicals Inc INOSITOL MYO-3H 1LC

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Inositol, myo-1,2-3H(N) 1mCi in ethanol:water (9:1), 1 mCi/ml, S.A 30-80 Ci/mmol, M.W. 180.2

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Medchemexpress LLC 1-bromoheptane-d5 | 1219805-66-9 | 95.0% | 184.13 g·mol⁻¹ | C7H10D5Br | 25 MG

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1-Bromoheptane-d5 (CAS 1219805-66-9) is the deuterium-labeled analogue of 1-bromoheptane supplied as a research reagent and reference standard. It is used in analytical chemistry, mass spectrometry, tracer studies, and synthetic chemistry where isotopic labeling enables accurate quantification and tracking.

• Deuterium-labeled (d5) to enable mass-differentiation in MS analyses.
• Suitable as an internal standard for quantitative assays.
• Liquid, ready for use in synthetic and analytical workflows.
• Molecular formula C7H10D5Br and molecular weight 184.13 g·mol⁻¹.
• Available in small pack sizes appropriate for research use.

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Medchemexpress LLC Apalutamide-d4 | 1638885-65-0 | 99.9% | 481.46 | 5 MG

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Apalutamide-d4 is a deuterium labeled Apalutamide. Apalutamide is a potent and competitive androgen receptor (AR) antagonist, binding AR with an IC50 of 16 nM.

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

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Norell Inc Methanol-D4 10G CWR Only | 10g

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Methanol-D4 10G CWR Only | 10g

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Medchemexpress LLC Sorafenib-13C,d3 | 1210608-86-8 | 98.4% | 468.84 g·mol⁻¹ | C2013CH13D3ClF3N4O3 | 1 MG

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Sorafenib-13C,d3 is a stable isotope-labeled analogue of the multikinase inhibitor sorafenib, incorporating 13C and three deuterium atoms for use in analytical and tracer research. It is supplied as a high-purity research reagent for laboratory methods such as LC-MS quantitation and metabolic profiling; not for human or veterinary use.

• Stable isotope labeling (13C and d3) for tracer and mass spectrometry studies.
• High purity (98.4%) suitable for analytical applications.
• Molecular weight 468.84 g·mol⁻¹.
• Optimized for LC-MS quantitation and metabolic profiling.
• Available in small, research-scale quantities (e.g., 1 mg vials).
• For research use only; not intended for clinical use.

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Cambridge Isotope Laboratories 1,1,2,2-Tetrachloroethane-D2, 33685-54-0, MFCD00037672, 100 g

Chemical Formula: Cl2CDCDCl2, MW: 169.86, 99.5%.

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Revvity Health Sciences Inc Thymidine, [6-³H]-,>97%, 1mCi (37MBq)

Thymidine, [6-³H]-,>97%, 1mCi (37MBq)

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Medchemexpress LLC Pacritinib-d4 | 476.60 | 5 MG

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Pacritinib-d4 (SB1518-d4) is the deuterium labeled Pacritinib. It is a potent inhibitor of both wild-type JAK2 (IC50=23 nM) and JAK2V617F mutant (IC50=19 nM). This compound also inhibits FLT3 (IC50=22 nM) and its mutant FLT3D835Y (IC50=6 nM). Stable heavy isotopes have been incorporated into drug molecules, primarily as tracers for quantitation during the drug development process. Deuteration has garnered attention due to its potential to influence the pharmacokinetic and metabolic profiles of drugs.

• Deuterium labeled compound
• Potent inhibitor of wild-type JAK2 and JAK2V617F mutant
• Inhibits FLT3 and its mutant FLT3D835Y
• Used as a tracer for quantitation during drug development
• Potential to affect pharmacokinetic and metabolic profiles

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Revvity Health Sciences Inc Sulfur-35 Radionuclide, 10mCi (370MBq), Specific Activity: 1050-1600Ci (38.8-59.2TBq)/mmol, Sulfuric Acid in 1mL Water

Sulfur-35 Radionuclide, 10mCi (370MBq), Specific Activity: 1050-1600Ci (38.8-59.2TBq)/mmol, Sulfuric Acid in 1mL Water

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Revvity Health Sciences Inc Cysteine L-[³⁵S]-, 1mCi (37MBq), 10mM DTT

Cysteine L-[³⁵S]-, 1mCi (37MBq), 10mM DTT

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Revvity Health Sciences Inc Î±-Dendrotoxin [¹²⁵I] 5 µCi

α-Dendrotoxin [¹²⁵I] 5 µCi

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Sigma Aldrich Fine Chemicals Biosciences D-Glucose-13C6 >=99 atom % 13C, >=99% (CP) | 110187-42-3 | MFCD00037544 | 100MG

D-Glucose-13C6 >=99 atom % 13C, >=99% (CP) | Purity: >=99% (CP) | Mol Wt: 186.11 | 110187-42-3 | MFCD00037544 | 100MG

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