Isotopically Labeled Compounds
Cambridge Isotope Laboratories GUANINE (8-13C, 98%; 7,9-15N2, 98%), 25 MG
GUANINE (8-13C, 98%; 7,9-15N2, 98%), 25 MG
Medchemexpress LLC Irinotecan-d10 | 718613-28-6 | 596.74 g/mol | C33H28D10N4O6 | 10 MG
Irinotecan-d10 is a deuterium-labeled isotopologue of irinotecan used as an analytical/internal standard in mass spectrometry and related assays. It serves as a research reference for studies involving topoisomerase I inhibition and quantitative bioanalysis.
- Deuterium-labeled (d10) isotopologue for clear mass separation in MS.
- Suitable as an internal standard for LC-MS/MS quantification.
- Provides reliable mass shift for analyte tracking and recovery assessment.
- Supplied as a small-molecule reference for research use only.
- CAS number 718613-28-6 and molecular weight ~596.74 g/mol aid compound identification.
Cayman Chemical RemdesIvIr-d4 1mg
An internal standard for the quantification of remdesivir by GC- or LC-MS
Cayman Chemical MyrIstIc AcId-d2 100mg
An internal standard for the quantification of myristic acid by GC- or LC-MS
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
Cayman Chemical AbIrateron Acetate-d4 5mg
An internal standard for the quantification of abiraterone acetate by GC- or LC-MS
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
Medchemexpress LLC Nadolol-d9 (SQ-11725-d9) | 94513-92-5 | 97.0% | 318.46 | C17H18D9NO4 | 10 MG
Nadolol-d9 is the deuterium-labeled analog of nadolol, a non-selective, orally active β-adrenergic receptor blocker used for analytical and research applications as a tracer or internal standard.
- Deuterium-labeled internal standard for quantitative analysis by NMR, GC-MS, and LC-MS.
- Non-selective β-adrenergic receptor blocker analog suitable for tracer and pharmacokinetic studies.
- High purity (97.0%) for reliable analytical performance.
- Molecular formula C17H18D9NO4 and molecular weight 318.46 g/mol.
- Off-white to light yellow solid appearance.
- Storage: powder at -20°C (3 years) or 4°C (2 years); in solvent at -80°C (6 months) or -20°C (1 month).
- Available in small analytical quantities, including 10 mg packs.
Medchemexpress LLC Aminoguanidine sulfate (13C,15N4) | MFCD00151369 | 99.0% | 177.13 | 13CH8 15N4 O4 S | 1 MG
Aminoguanidine-13C,15N4 sulfate (1:2) is a stable-isotope labeled form of aminoguanidine sulfate intended for use as a tracer or internal standard in quantitative analytical methods. It provides defined 13C and 15N enrichment and high chemical purity to support accurate measurements in small-mass analytical workflows.
Cambridge Isotope Laboratories DL-EPINEPHRINE (1,2-13C2, 99%; 15N, 98%), 0.01 G
DL-EPINEPHRINE (1,2-13C2, 99%; 15N, 98%), 0.01 G