| CAS No. | 103974-46-5 |
| Molecular Formula | C49H61N9O14S2 |
| Molecular Weight | 1064.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Cholecystokinin Octapeptide free acid (desulfated) (H-2075.0001) (CAS 103974-46-5), molecular formula C49H61N9O14S2 and molecular weight 1064.19 g/mol, is a CATO reference standard with documented purity and traceability.
Cholecystokinin Octapeptide free acid (desulfated) (H-2075.0001) (C49H61N9O14S2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; 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.
CATO manufactures Cholecystokinin Octapeptide free acid (desulfated) (H-2075.0001) 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 | C49H61N9O14S2 |
| Molecular Weight | 1064.19 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) | 24.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 9 |
| Sulfur Atoms | 2 |