Isotopically Labeled Compounds
Medchemexpress LLC Acetic acid-1-13c | 1563-79-7 | MFCD00037366 | 100.0% | 61.06 g/mol | CH3 13CO2H | 50mg
Acetic acid-1-13C is 13C labeled Acetic acid-1
Medchemexpress LLC 2-aminoethanesulfonic acid-13C2 | 70155-54-3 | MFCD01075566 | 99.0% | 127.13 g/mol | 13C2H7NO3S | 10 MG
Taurine-13C2 is a 13C-labeled form of taurine (2-aminoethanesulfonic acid) provided as a stable isotope standard for analytical and research use. It is supplied as a neat powder intended for use as an internal standard in mass spectrometry, isotope-dilution assays, and metabolic tracer studies.
- 13C2-labeled taurine for use as an internal standard and tracer.
- High isotopic enrichment and 99.0% purity.
- Neat powder form, suitable for mass spectrometry and analytical workflows.
- Small-mass package formats for isotope-dilution and tracer studies.
- Molecular weight 127.13 g/mol; CAS number 70155-54-3.
Cambridge Isotope Laboratories L-Leucine (13C6, 99%), 61-90-5, MFCD00002617, 0.25G
Chemical Formula: (*CH3)2*CH*CH2*CH(NH2)*COOH, Molecular Weight: 137.13, Synonym: (S)-2-Amino-4-methylpentanoic acid-13C6, 13C Labeled L-leucine. For R&D use only. Not for drug, household, or other uses. Any other use is the sole responsibility of the end user.
![Revvity Health Sciences Inc Triiodothyronine, L-3, 5, 3'-[<sup>125</sup>I]-, 100 µCi (3.7 MBq), Specific Activity: 1080-1320 µCi (40-48.8 MBq)/µg](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502811009.jpg-250.jpg)
Revvity Health Sciences Inc Triiodothyronine, L-3, 5, 3'-[125I]-, 100 µCi (3.7 MBq), Specific Activity: 1080-1320 µCi (40-48.8 MBq)/µg
Triiodothyronine, L-3, 5, 3'-[125I]-, 100 µCi (3.7 MBq), Specific Activity: 1080-1320 µCi (40-48.8 MBq)/µg
Cambridge Isotope Laboratories VITAMIN K1 (PHYLLOQUINONE) (D7,99%) CHEM. PURITY 97%, 1 MG, 1233937-39-7
VITAMIN K1 (PHYLLOQUINONE) (D7,99%) CHEM. PURITY 97%, 1 MG, 1233937-39-7
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
Cayman Chemical RegorafenIb-13C-d3 500ug
An internal standard for the quantification of regorafenib by GC- or LC-MS
Medchemexpress LLC Glycine-d3 | 4896-76-8 | 100.0% | 78.09 g/mol | C2H2D3NO2 | 10mg
Glycine-d3 is the deuterium labeled Glycine Glycine is an inhibitory neurotransmitter in the CNS and also acts as a co-agonist along with glutamate facilitating an excitatory potential at the glutaminergic N-methyl-D-aspartic acid (NMDA) receptors
Medchemexpress LLC D-glucose-13C-4 | 40762-22-9 | 98.0% | 10 MG
D-Glucose-13C-4 is a 13C-labeled form of D-(+)-glucose with the stable isotope at the carbon-4 position, supplied as a powder for laboratory research applications.
- 13C label at carbon-4 for metabolic tracing and analytical studies.
- Purity 98.0%.
- Molecular weight 181.15 g/mol.
- CAS number 40762-22-9.
- Supplied as a powder; storage: powder -20°C (3 years) or 4°C (2 years).
- Available in small packaging sizes, including 10 mg.
- Intended for research use only; not for human or clinical use.
Cambridge Isotope Laboratories LYSO-PC 22:0 (DOCOSANOYL-1,2,3,4,5,6-13C6, , 1 MG
LYSO-PC 22:0 (DOCOSANOYL-1,2,3,4,5,6-13C6, , 1 MG
Cambridge Isotope Laboratories N-BUTANOL (13C4, 99%), 0.1 G, 1219589-18-0
N-BUTANOL (13C4, 99%), 0.1 G, 1219589-18-0
Cambridge Isotope Laboratories Modified JIS PCB Alt A Extended Calibration Solution (CS4H) 0 2 mL
Modified JIS PCB Alt A Extended Calibration Solution (CS4H) 0 2 mL
Cambridge Isotope Laboratories SODIUM PALMITATE (1-13C, 99%), 1 G
SODIUM PALMITATE (1-13C, 99%), 1 G
Medchemexpress LLC Quinoline-d7 | 34071-94-8 | MFCD00145200 | 98.0% | 136.20 | C9D7N | 5mg
Quinoline-d7 is the deuterium labeled Quinoline[1]
Medchemexpress LLC Monohydroxy-3-butenyl mercapturic acid-d6 | >98.0% | 478.64 g/mol | C18H18D12N2O8S2 | 1mg
MHBMA-d6 is the deuterium labeled MHBMA[1]