Isotopically Labeled Compounds
Cambridge Isotope Laboratories ETHANOLAMINE:HCL (1,2-13C2, 99%), 0.1 G, 1173019-25-4
ETHANOLAMINE:HCL (1,2-13C2, 99%), 0.1 G, 1173019-25-4
Cambridge Isotope Laboratories POTASSIUM CYANIDE (13C, 99%), 5 G, 25909-68-6
POTASSIUM CYANIDE (13C, 99%), 5 G, 25909-68-6
Cambridge Isotope Laboratories BETA-ALANINE (13C3, 98%+; 15N, 96-99%), 0.25 G, 285978-07-6
BETA-ALANINE (13C3, 98%+; 15N, 96-99%), 0.25 G, 285978-07-6
Cambridge Isotope Laboratories URIC ACID (2-13C, 98%; 1,3,7-15N3, 98%),, 1 MG
URIC ACID (2-13C, 98%; 1,3,7-15N3, 98%),, 1 MG
Medchemexpress LLC Butanedioic acid-1,4-13C2 | 79864-95-2 | MFCD00224213 | 99.0% | 120.07 | C4H6O4 | 10 MG
Succinic acid-1,4-13C2 is a stable isotope-labeled form of succinic acid supplied as a white to off-white solid for research and analytical use, including metabolic tracing and mass spectrometry standards. The material is high purity and intended for analytical applications.
- Stable isotope-labeled succinic acid (1,4-13C2) for tracer studies and internal standards.
- High purity (99.0%) suitable for analytical and mass spectrometry applications.
- Supplied as a white to off-white solid for easy handling and storage.
- Suitable for metabolic tracing, quantitation, and method validation.
- Recommended storage: powder at -20°C for long-term stability; short-term storage at 4°C.
Cambridge Isotope Laboratories L-ARGININE-N-FMOC, PBF-OH (13C6, 99%; 15N4,99%)(CONTAINS SOLVENT), 1 G OF C, 1217461-89-6
L-ARGININE-N-FMOC, PBF-OH (13C6, 99%; 15N4,99%)(CONTAINS SOLVENT), 1 G OF C, 1217461-89-6
Cambridge Isotope Laboratories L-VALINE (13C5, 99%; 15N, 99%), 0.5 G, 202407-30-5
L-VALINE (13C5, 99%; 15N, 99%), 0.5 G, 202407-30-5
Cambridge Isotope Laboratories L-PROLINE (13C5, 99%; 15N, 99%), 0.1 G, 202407-23-6
L-PROLINE (13C5, 99%; 15N, 99%), 0.1 G, 202407-23-6
Cambridge Isotope Laboratories L-TYROSINE (13C9, 99%; 15N, 99%), 0.5 G
L-TYROSINE (13C9, 99%; 15N, 99%), 0.5 G
Cambridge Isotope Laboratories L-SERINE (13C3, 99%; 15N, 99%), 0.5 G, 202407-34-9
L-SERINE (13C3, 99%; 15N, 99%), 0.5 G, 202407-34-9
Cambridge Isotope Laboratories L-SERINE (13C3, 99%; 15N, 99%), 0.1 G, 202407-34-9
L-SERINE (13C3, 99%; 15N, 99%), 0.1 G, 202407-34-9
Cambridge Isotope Laboratories L-TYROSINE (1-13C, 99%; 15N, 98%), 0.25 G
L-TYROSINE (1-13C, 99%; 15N, 98%), 0.25 G
Cambridge Isotope Laboratories 5-ALPHA-DIHYDROTESTOSTERONE 97% CHEMICAL PURITY (2,3,4-13C3,99%) 100 UG/ML IN METHANOL, 1 ML, 1257527-54-0
5-ALPHA-DIHYDROTESTOSTERONE 97% CHEMICAL PURITY (2,3,4-13C3,99%) 100 UG/ML IN METHANOL, 1 ML, 1257527-54-0
Medchemexpress LLC Nicotinic acid-d4 | 66148-15-0 | 99.2% | 127.13 g/mol | C6HD4NO2 | 10 MG
Niacin-d4 (nicotinic acid-d4) is a deuterium-labeled stable isotope of niacin (vitamin B3) supplied as a calibrated reference material for analytical and metabolic studies. It is formulated for use as an internal standard or tracer in mass spectrometry, quantitative assays, and isotope-tracing experiments, and is supplied with reported high purity and recommended storage conditions.
- High isotopic labeling for accurate mass spectrometry quantification.
- Reported high purity (≈99.2%) suitable for analytical reference use.
- Supplied in small measured quantities suitable for trace-level studies.
- Solid form recommended stored sealed, protected from moisture and light at 4°C; in solution, store frozen.
Medchemexpress LLC Balsalazide-d4 | 2714315-25-8 | 361.34 | C17H11D4N3O6 | 10 MG
Balsalazide-d4 is a deuterium-labeled analogue of balsalazide intended for use as an analytical/internal standard and research reagent in biochemical and pharmacological studies, particularly those involving interleukin and STAT3 signaling. It is supplied as a 10 mg solid with documented storage and solubility information to support analytical workflows.
- Deuterium-labeled isotopic standard for analytical assays
- Provided as 10 mg of solid suitable for LC-MS and quantitative analysis
- Molecular formula C17H11D4N3O6; molecular weight 361.34
- Soluble in DMSO at 50 mg/mL; ultrasonic assistance may be required
- Storage guidance: powder at -20°C (3 years) or 4°C (2 years); in solvent at -80°C (6 months)
- Suitable for metabolic tracing, quantitation, and mechanism-of-action studies