L-Tyrosine-13C9,15N CAS 202407-26-9
| CAS No. | 202407-26-9 |
| Molecular Formula | [13C]9H11[15N]O3 |
| Molecular Weight | 191.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 191.12 g/mol gives L-Tyrosine-13C9,15N distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
L-Tyrosine-13C9,15N (CAS 202407-26-9) is a high-purity analytical reference standard with the molecular formula [13C]9H11[15N]O3 and a molecular weight of 191.12 g/mol.
L-Tyrosine-13C9,15N ([13C]9H11[15N]O3) contains an organic framework. It is notably hygroscopic; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | [13C]9H11[15N]O3 |
| Molecular Weight | 191.12 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | -3.0 |
| CAS Registry Year (est.) | 2014 |
| Nitrogen Atoms | 1 |
Related L Standards
- L-Tyrosine-13C9 (CAS 55443-60-2)
- L-Tyrosine-α,β,β,2,3,5,6-d7 (CAS 130551-49-4)
- L-Tyrosine-13C6 (CAS 201595-63-3)
- L-Tyrosine Methyl Ester (CAS 1080-06-4)
- L-Tyrosine-d3 (CAS 71939-39-4)
- L-Tyrosine-d2-1 (CAS 30811-19-9)
- L-Tyrosine-15N (CAS 35424-81-8)
- Tyrosine Related Compoud 2 (4-Fumarylacetolacetic Acid) (CAS 28613-33-4)
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