Isotopically Labeled Compounds
Cambridge Isotope Laboratories LYSO-PC 26:0 (HEXACOSANOYL-12,12,13,13-D4, , 5 MG
LYSO-PC 26:0 (HEXACOSANOYL-12,12,13,13-D4, , 5 MG
Medchemexpress LLC 1-hexanol-d5 | 64118-18-9 | >98.0% | 107.21 g/mol | C6H9D5O | 5 MG
1-Hexanol-d5 is the deuterium-labeled analogue of 1-hexanol supplied as a liquid stable isotope reagent for analytical and tracer applications. It is commonly used as an internal standard in mass spectrometry, quantitative analyses, and metabolic tracing where deuterium labeling improves selectivity and detection.
- Deuterium-labeled internal standard for mass spectrometry.
- High isotopic enrichment for reliable tracer and quantitation.
- Liquid physical form suitable for solution preparation.
- Stable under recommended storage conditions for long-term use.
- Available in small, pre-weighed pack sizes for analytical workflows.
Medchemexpress LLC Ribitol-2-13C | 488-81-3 | 98.0% | 153.14 g/mol | C413CH12O5 | 100 MG
Ribitol-2-13C is a stable isotope-labeled ribitol used as a tracer or internal standard for quantitative analysis by NMR, GC-MS, and LC-MS. It is a crystalline pentose alcohol supplied for research applications.
- 13C-labeled tracer for metabolic and quantitative studies.
- Suitable as internal standard for NMR, GC-MS, and LC-MS.
- High purity, ≥98.0%.
- Molecular weight 153.14 g/mol.
- Available in small laboratory pack sizes such as 100 mg.
Medchemexpress LLC MMAF-d8 hydrochloride | 1415246-68-2 | 99.7% | 776.47 | C39H58D8ClN5O8 | 10 MG
MMAF-d8 hydrochloride is the deuterated hydrochloride salt of monomethylauristatin F intended for research use as an ADC payload and microtubule-disrupting agent. The compound is supplied as a white to off-white solid, has molecular formula C39H58D8ClN5O8 and molecular weight 776.47, and is unstable in solution - prepare fresh solutions. Store sealed at 4°C and protect from moisture.
- High purity (99.7% by LCMS).
- High isotopic enrichment (99.8%).
- Soluble in DMSO at 100 mg/mL (may require ultrasonic).
- White to off-white solid appearance.
- Suitable as an antibody-drug conjugate (ADC) payload and microtubule-disrupting research reagent.
- Store sealed at 4°C and protect from moisture.
- Unstable in solution; prepare fresh solutions prior to use.
Cambridge Isotope Laboratories N-(3-AMINOPROPYL) BUTANE-1,4-DIAMINE:3HCL (1,1,2,2,3,3,4,4-D8, 98%) CHEMICAL PURITY 95%, 10 MG, 1173019-26-5
N-(3-AMINOPROPYL) BUTANE-1,4-DIAMINE:3HCL (1,1,2,2,3,3,4,4-D8, 98%) CHEMICAL PURITY 95%, 10 MG, 1173019-26-5
Cayman Chemical LInaclotIde-d4 500ug
An internal standard for the quantification of linaclotide by GC- or LC-MS
Sigma Aldrich Fine Chemicals Biosciences Dibutyl phthalate-3,4,5,6-d4 98 atom % D | 93952-11-5 | MFCD00144148 | 250MG
Dibutyl phthalate-3,4,5,6-d4 98 atom % D | Mol Wt: 282.37 | 93952-11-5 | MFCD00144148 | 250MG
Sigma Aldrich Fine Chemicals Biosciences Formamide-13C,15N 99 atom % 13C, 98 atom % 15N, 99% (CP) | 285977-74-4 | MFCD00144374 | 250MG
Formamide-13C,15N 99 atom % 13C, 98 atom % 15N, 99% (CP) | Purity: 99% (CP) | Mol Wt: 47.03 | 285977-74-4 | MFCD00144374 | 250MG
Sigma Aldrich Fine Chemicals Biosciences L-Proline-13C5 99 atom % 13C, 99% (CP) | 201740-83-2 | MFCD00144670 | 100MG
L-Proline-13C5 99 atom % 13C, 99% (CP) | Purity: 99% (CP) | Mol Wt: 120.09 | 201740-83-2 | MFCD00144670 | 100MG
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
Sigma Aldrich Fine Chemicals Biosciences L-Serine-13C3,15N 98 atom % 13C, 98 atom % 15N, 95% (CP) | 202407-34-9 | MFCD00144678 | 250MG
L-Serine-13C3,15N 98 atom % 13C, 98 atom % 15N, 95% (CP) | Purity: 95% (CP) | Mol Wt: 109.06 | 202407-34-9 | MFCD00144678 | 250MG
Cambridge Isotope Laboratories DL-HOMOCYSTEINE (3,3,4,4-D4, 98%), 0.1 G, 416845-90-4
DL-HOMOCYSTEINE (3,3,4,4-D4, 98%), 0.1 G, 416845-90-4
Medchemexpress LLC Benzothioamide-d5 | 1219804-59-7 | >98.0% | 142.23 g/mol | C7H2D5NS | 10 MG
Benzothioamide-d5 is a deuterium-labeled benzothioamide supplied as a solid powder for research use. It is intended as a tracer or internal standard to improve quantitation in analytical workflows and may be used to investigate pharmacokinetic or metabolic differences introduced by deuteration.
- Deuterium-labeled (d5) for use as tracer or internal standard.
- Suitable for NMR, GC-MS, and LC-MS quantitative analysis.
- Solid powder form for ease of handling and storage.
- Available in multiple small-mass sizes for analytical applications.
- Stable when stored at -20 °C; in solvent stability at -80 °C for short-term storage.
Cambridge Isotope Laboratories L-ARGININE-N-FMOC, PBF-OH (13C6,99%; 15N4,99%)(CONTAINS SOLVENT), 0.1 G/COMP, 1217461-89-6
L-ARGININE-N-FMOC, PBF-OH (13C6,99%; 15N4,99%)(CONTAINS SOLVENT), 0.1 G/COMP, 1217461-89-6