| CAS No. | CATO-CPTD788326 |
| Molecular Formula | C42H63N13O13 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including L-Tyr-L-Ser-L-His-L-Glu-L-Leu-L-Pro-Gly-L-Arg(TFA salt).
L-Tyr-L-Ser-L-His-L-Glu-L-Leu-L-Pro-Gly-L-Arg(TFA salt) (CAS CATO-CPTD788326), molecular formula C42H63N13O13C2HF3O2 and molecular weight 1072.07 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, L-Tyr-L-Ser-L-His-L-Glu-L-Leu-L-Pro-Gly-L-Arg(TFA salt) (C42H63N13O13C2HF3O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 18.0, corresponding to approximately 18 ring(s) or double-bond equivalent(s). With a molecular weight of 1072.07 g/mol, it falls into the high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), L-Tyr-L-Ser-L-His-L-Glu-L-Leu-L-Pro-Gly-L-Arg(TFA salt) meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
| Molecular Formula | C42H63N13O13 C2HF3O2 |
| Molecular Weight | 1072.07 g/mol |
| Purity | >95% |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | F-containing |
| Nitrogen Atoms | 13 |