Isotopically Labeled Compounds
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Medchemexpress LLC Acetylcholine-d9 bromide | 93449-32-2 | 98.9% | 1 MG
Acetylcholine-d9 (bromide) is the deuterium labeled Acetylcholine bromide.
- 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.
- Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules, largely as tracers for quantitation during the drug development process.
- Deuteration has gained attention because of its potential to affect the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Acetylcholine-d9 bromide | 93449-32-2 | 98.9% | 5 MG
Acetylcholine-d9 bromide is a deuterium labeled Acetylcholine bromide, commonly used for quantitative analysis in drug development.
- Used as a tracer.
- Internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Incorporates stable heavy isotopes like deuterium.
- Potential to affect pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Propantheline-d3 bromide | 64717-35-7 | 99.0% | 5 MG
Propantheline-d3 bromide is the deuterium labeled Propantheline bromide, functioning as an antimuscarinic agent. It is used for treating conditions like hyperhidrosis, cramps or spasms of the stomach, intestines, or bladder, and enuresis. This compound can also serve as a tracer or an internal standard in quantitative analysis, benefiting from deuterium substitution which can impact pharmacokinetic and metabolic profiles of drugs.
- Deuterium-labeled compound
- Functions as an antimuscarinic agent
- Used in the treatment of hyperhidrosis, cramps, spasms, and enuresis
- Can be utilized as a tracer
- Suitable as an internal standard for NMR, GC-MS, or LC-MS quantitative analysis
- Incorporates stable heavy isotopes for drug development quantitation
Medchemexpress LLC Acetylcholine-d4 (bromide) | 93449-31-1 | 98.0% | 10 MG
Acetylcholine-d4 (bromide) is the deuterium-labeled analogue of acetylcholine bromide supplied for research and analytical use. It serves as an isotopically labeled tracer and internal standard for quantitative assays and is provided as a high-purity solid suitable for spectroscopic and mass-spectrometric workflows.
- isotopically labeled internal standard for quantitative analysis
- compatible with NMR, GC-MS, and LC-MS workflows
- high chemical purity (98.0%) for reliable quantitation
- solid, white to off-white appearance for ease of handling
- stable when stored sealed and protected from moisture; in solvent: -80°C (up to 6 months) or -20°C (up to 1 month)
- intended for research use only
Medchemexpress LLC Propantheline-d3 bromide | 64717-35-7 | MFCD01311246 | 99.0% | 451.41 g/mol | C23H27D3BrNO3 | 10 MG
Deuterium-labeled propantheline bromide provided as a high-purity solid for use as a tracer and internal standard in quantitative mass spectrometry and NMR applications.
- Deuterium-labeled tracer for MS and NMR quantitative analysis.
- High purity: 99.0%.
- Molecular formula: C23H27D3BrNO3; molecular weight: 451.41 g/mol.
- Appearance: off-white to light yellow solid.
- Solubility: DMSO ≥ 100 mg/mL; H2O 50 mg/mL (may require ultrasonic).
- Storage: 4°C sealed; in solvent -80°C (6 months) or -20°C (1 month).
- Available in small analytical quantities, e.g., 10 mg pack.
Medchemexpress LLC Acetylcholine-d4 bromide | 93449-31-1 | 98.69% | 5 MG
Acetylcholine-d4 (bromide) is the deuterium labeled Acetylcholine bromide. This compound is used as a tracer and 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, and deuteration may affect the pharmacokinetic and metabolic profiles of drugs.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Intended for research use only
- Not for sale to patients
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.
Medchemexpress LLC Acetylcholine-d4 bromide | 93449-31-1 | 98.7% | 1 MG
Acetylcholine-d4 bromide is a deuterium-labeled form of Acetylcholine bromide, intended for research use. This compound can serve as a tracer or an internal standard for various quantitative analytical methods. Deuteration, which involves incorporating stable heavy isotopes, offers potential benefits in drug development by influencing pharmacokinetic and metabolic profiles. It appears as a white to off-white solid.
- Used as a tracer for research purposes
- Serves as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Incorporates stable heavy isotopes into drug molecules
- May affect the pharmacokinetic and metabolic profiles of drugs
- Has a molecular weight of 230.14
- Its formula is C7H12D4BrNO2
Medchemexpress LLC Acetylcholine-d9 bromide | 93449-32-2 | MFCD01073946 | 98.9% | 235.17 | C7H7D9BrNO2 | 10 MG
Acetylcholine-d9 bromide is the deuterium-labeled analogue of acetylcholine bromide used as a stable isotope standard or internal reference for quantitative bioanalytical methods such as LC-MS. It is supplied as a hygroscopic ionic salt in small milligram quantities for use in method development, calibration, and tracer studies.
- Deuterium-labeled internal standard for quantitative analysis.
- High purity suitable for analytical workflows.
- Supplied in small milligram quantities for trace-level assays.
- Molecular formula C7H7D9BrNO2; molecular weight 235.17.
- Store sealed at 4°C and protect from moisture.
STA PHARMACEUTICAL US LLC Fmoc-L-Asp-OAll | 25 g | CAS 144120-53-6 | MDL MFCD00467715
Fmoc-L-Asp-OAll is a Amino Acid reagent (Subcategory: Asp) sold by WuXi TIDES. Offered in 25 g. Store at 4 °C. SDS available for reference.
Specifications
- CAS: 144120-53-6
- MDL: MFCD00467715
- InChIKey: ZJMVIWUCCRKNHY-IBGZPJMESA-N
- Molecular Weight: 395.411
- Molecular Formula: C22H21NO6
- Purity: ≥95%
- Container Type: 125 mL HDPE
- Pack Size: 25 g
- Net Weight: 25 g
- Gross Weight: 54.3 g
- Commodity Code: 29242970
- Country Of Origin: China
- IUPAC: (S)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-(allyloxy)-4-oxobutanoic acid
- SMILES: C=CCOC([C@H](CC(O)=O)NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)=O
STA PHARMACEUTICAL US LLC Fmoc-L-Asp-OAll | 5 g | CAS 144120-53-6 | MDL MFCD00467715
Fmoc-L-Asp-OAll is a Amino Acid reagent (Subcategory: Asp) sold by WuXi TIDES. Offered in 5 g. Store at 4 °C. SDS available for reference.
Specifications
- CAS: 144120-53-6
- MDL: MFCD00467715
- InChIKey: ZJMVIWUCCRKNHY-IBGZPJMESA-N
- Molecular Weight: 395.411
- Molecular Formula: C22H21NO6
- Purity: ≥95%
- Container Type: 30 mL HDPE
- Pack Size: 5 g
- Net Weight: 5 g
- Gross Weight: 16.5 g
- Commodity Code: 29242970
- Country Of Origin: China
- IUPAC: (S)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-(allyloxy)-4-oxobutanoic acid
- SMILES: C=CCOC([C@H](CC(O)=O)NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)=O
STA PHARMACEUTICAL US LLC Fmoc-D-Asp-OAll | 100 g | CAS 204246-17-3 | MDL MFCD01074689
Fmoc-D-Asp-OAll is a Amino Acid reagent (Subcategory: Asp) sold by WuXi TIDES. Offered in 100 g. Store at 4 °C. SDS available for reference.
Specifications
- CAS: 204246-17-3
- MDL: MFCD01074689
- InChIKey: ZJMVIWUCCRKNHY-LJQANCHMSA-N
- Molecular Weight: 395.411
- Molecular Formula: C22H21NO6
- Purity: ≥95%
- Container Type: 500 mL HDPE
- Pack Size: 100 g
- Net Weight: 100 g
- Gross Weight: 160.5 g
- Commodity Code: 29242970
- Country Of Origin: China
- IUPAC: (R)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-(allyloxy)-4-oxobutanoic acid
- SMILES: C=CCOC([C@@H](CC(O)=O)NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)=O
STA PHARMACEUTICAL US LLC Fmoc-L-Asp-OAll | 1 g | CAS 144120-53-6 | MDL MFCD00467715
Fmoc-L-Asp-OAll is a Amino Acid reagent (Subcategory: Asp) sold by WuXi TIDES. Offered in 1 g. Store at 4 °C. SDS available for reference.
Specifications
- CAS: 144120-53-6
- MDL: MFCD00467715
- InChIKey: ZJMVIWUCCRKNHY-IBGZPJMESA-N
- Molecular Weight: 395.411
- Molecular Formula: C22H21NO6
- Purity: ≥95%
- Container Type: 15 mL HDPE
- Pack Size: 1 g
- Net Weight: 1 g
- Gross Weight: 7.8 g
- Commodity Code: 29242970
- Country Of Origin: China
- IUPAC: (S)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-(allyloxy)-4-oxobutanoic acid
- SMILES: C=CCOC([C@H](CC(O)=O)NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)=O
STA PHARMACEUTICAL US LLC Fmoc-L-Asp-OAll | 10 g | CAS 144120-53-6 | MDL MFCD00467715
Fmoc-L-Asp-OAll is a Amino Acid reagent (Subcategory: Asp) sold by WuXi TIDES. Offered in 10 g. Store at 4 °C. SDS available for reference.
Specifications
- CAS: 144120-53-6
- MDL: MFCD00467715
- InChIKey: ZJMVIWUCCRKNHY-IBGZPJMESA-N
- Molecular Weight: 395.411
- Molecular Formula: C22H21NO6
- Purity: ≥95%
- Container Type: 60 mL HDPE
- Pack Size: 10 g
- Net Weight: 10 g
- Gross Weight: 25 g
- Commodity Code: 29242970
- Country Of Origin: China
- IUPAC: (S)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-(allyloxy)-4-oxobutanoic acid
- SMILES: C=CCOC([C@H](CC(O)=O)NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)=O