| CAS No. | 310427-94-2 |
| Molecular Formula | C91H129N25O25S |
| Molecular Weight | 2005.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 2005.25 g/mol gives Arg-Glu(EDANS)-(Asn670,Leu671)-Amyloid β/A4 Protein Precursor770 (668-675)-Lys(DABCYL)-Arg distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Arg-Glu(EDANS)-(Asn670,Leu671)-Amyloid β/A4 Protein Precursor770 (668-675)-Lys(DABCYL)-Arg (CAS 310427-94-2), molecular formula C91H129N25O25S and molecular weight 2005.25 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Arg-Glu(EDANS)-(Asn670,Leu671)-Amyloid β/A4 Protein Precursor770 (668-675)-Lys(DABCYL)-Arg (C91H129N25O25S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 40.0, corresponding to approximately 40 ring(s) or double-bond equivalent(s). With a molecular weight of 2005.25 g/mol, it falls into the high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
CATO manufactures Arg-Glu(EDANS)-(Asn670,Leu671)-Amyloid β/A4 Protein Precursor770 (668-675)-Lys(DABCYL)-Arg under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C91H129N25O25S |
| Molecular Weight | 2005.25 g/mol |
| Purity | 97%+ |
| 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) | 40.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 25 |
| Sulfur Atoms | 1 |