Cholecystokinin Octapeptide (1-3) (desulfated) H-Asp-Tyr-Met-OH CAS 121880-94-2
| CAS No. | 121880-94-2 |
| Molecular Formula | C18H25N3O7S |
| Molecular Weight | 427.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Cholecystokinin Octapeptide (1-3) (desulfated) H-Asp-Tyr-Met-OH (CAS 121880-94-2), molecular formula C18H25N3O7S and molecular weight 427.47 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, Cholecystokinin Octapeptide (1-3) (desulfated) H-Asp-Tyr-Met-OH is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 427.47 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).
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), Cholecystokinin Octapeptide (1-3) (desulfated) H-Asp-Tyr-Met-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 | C18H25N3O7S |
| Molecular Weight | 427.47 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Cholecystokinin Standards
- Cholecystokinin Octapeptide (1-4) (desulfated) (CAS 80790-40-5)
- Cholecystokinin Octapeptide (sulfated) (H-2060.0005) (CAS 25679-23-6)
- Cholecystokinin, CCK Tetrapeptide (30-33) (CAS 35144-91-3)
- Cholecystokinin Octapeptide (1-5) (desulfated) (CAS 121880-96-4)
- Cholecystokinin Octapeptide (desulfated) (H-2070.0005) (CAS 198483-36-2)
- Cholecystokinin- 33, porcine (CAS 67256-27-3)
- Cholecystokinin Impurity 82 TFA Salt (CAS CATO-CPTD788582)
- Cholecystokinin, CCK (27-33) (CAS 47910-79-2)
Recommended Standards
- [rel-(1R,2R,6R)-2-(tert-butoxycarbonylamino)-6-methyl-4-(3-nitro-4-pyridyl)cyclohex-3-en-1-yl] methanesulfonate (CAS 1210418-16-8)
- 1-((11bR)-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl)-3,5-dimethylpiperidine (CAS 1894192-03-0)
- [rel-(1S,2S,6R)-2-(tert-butoxycarbonylamino)-6-methyl-4-(3-nitro-4-pyridyl)cyclohex-3-en-1-yl] methanesulfonate (CAS 1187056-21-8)
- 1-((4-(2,6-Dimethylmorpholino)-3-nitrophenyl)sulfonyl)piperidine-4-carboxylic acid (CAS 866050-23-9)
- 4-(Naphtho[2,1-b]furan-2-yl)pyrimidin-2-amine (CAS 866131-44-4)
- 3-(4-Ethylpiperazin-1-yl)-n'-hydroxypropanimidamide (CAS 1017021-20-3)
- 4-Allyl-2-nitroaniline (CAS 160522-85-0)
- N-methyl-1-(pyrimidin-2-yl)piperidin-4-amine (CAS 405058-10-8)
- N-acetyl-(4S,5R)-4-methyl5-phenyl-2-oxazolidinone (CAS 96093-41-3)
- Benzyl (S)-piperidine-2-carboxylate (CAS 116261-43-9)
- Palmitoyl-L-isoleucine (CAS 54617-29-7)
- 5,6,7,8-Tetrahydroquinolin-7-ol (CAS 160240-07-3)
- 5-Chloro-1-fluoro-2-methyl-3-nitrobenzene (CAS 1167056-41-8)
- Tau Peptide (304-318) trifluoroacetate salt (CAS 330456-49-0)
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