Cholecystokinin Octapeptide (1-5) (desulfated) CAS 121880-96-4
| CAS No. | 121880-96-4 |
| Molecular Formula | C31H38N6O9S |
| Molecular Weight | 670.73 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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 supplies Cholecystokinin Octapeptide (1-5) (desulfated) (CAS 121880-96-4), a certified reference material (molecular formula C31H38N6O9S, MW 670.73 g/mol) for analytical method development and quality control.
Based on its molecular formula C31H38N6O9S, Cholecystokinin Octapeptide (1-5) (desulfated) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 670.73 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures Cholecystokinin Octapeptide (1-5) (desulfated) 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.
Physical & Chemical Properties
| Molecular Formula | C31H38N6O9S |
| Molecular Weight | 670.73 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 1 |
Related Cholecystokinin Standards
- Cholecystokinin, CCK Tetrapeptide (30-33) (CAS 35144-91-3)
- Cholecystokinin Octapeptide (sulfated) (H-2060.0005) (CAS 25679-23-6)
- Cholecystokinin Octapeptide (desulfated) (H-2070.0005) (CAS 198483-36-2)
- Cholecystokinin Octapeptide (1-4) (desulfated) (CAS 80790-40-5)
- Cholecystokinin Octapeptide (1-3) (desulfated) H-Asp-Tyr-Met-OH (CAS 121880-94-2)
- Cholecystokinin, CCK (27-33) (CAS 47910-79-2)
- Cholecystokinin Precursor (24-32) (rat) H-Val-Pro-Val-Glu-Ala-Val-Asp-Pro-Met-OH (CAS 99291-20-0)
- Cholecystokinin Precursor (24-32) (rat) H-Val-Pro-Val-Glu-Ala-Val-Asp-Pro-Met-OH（sodium salt） (CAS 99291-20-0（free base）)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com