H-His-Leu-Asn-Ile-Leu-Ser-Thr-Leu-Trp-Lys-Tyr-Arg-OH CAS CATO-CPTD788728
| CAS No. | CATO-CPTD788728 |
| Molecular Formula | C73H114N20O17 |
| Molecular Weight | 1543.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, H-His-Leu-Asn-Ile-Leu-Ser-Thr-Leu-Trp-Lys-Tyr-Arg-OH is typically pale yellow to yellow amorphous powder. Its solid-state physicochemical attributes — including a molecular weight of 1543.81 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
H-His-Leu-Asn-Ile-Leu-Ser-Thr-Leu-Trp-Lys-Tyr-Arg-OH (CAS CATO-CPTD788728) is a high-purity analytical reference standard with the molecular formula C73H114N20O17 and a molecular weight of 1543.81 g/mol.
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), H-His-Leu-Asn-Ile-Leu-Ser-Thr-Leu-Trp-Lys-Tyr-Arg-OH 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.
Physical & Chemical Properties
| Molecular Formula | C73H114N20O17 |
| Molecular Weight | 1543.81 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 |
| Degree of Unsaturation (DBE) | 27.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 20 |
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