【肽序重复停用见C4X-201416】Cetrorelix Impurity 23 CAS CATO-C4X-201423
| CAS No. | CATO-C4X-201423 |
| Molecular Formula | C61H83ClN16O12 |
| Molecular Weight | 1267.86 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
【肽序重复停用见C4X-201416】Cetrorelix Impurity 23 (CAS CATO-C4X-201423) is a certified pharmaceutical impurity reference standard with the molecular formula C61H83ClN16O12 and a molecular weight of 1267.86 g/mol.
Structurally, 【肽序重复停用见C4X-201416】Cetrorelix Impurity 23 (C61H83ClN16O12) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 28.0, corresponding to approximately 28 ring(s) or double-bond equivalent(s). With a molecular weight of 1267.86 g/mol, it falls into the high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 【肽序重复停用见C4X-201416】Cetrorelix Impurity 23 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 | C61H83ClN16O12 |
| Molecular Weight | 1267.86 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 28.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 16 |
Recommended Standards
- IntE-Cetrorelix (CAS CATO-C4X-201416)
- Des-Tyr Cetrorelix Acetate (CAS CATO-C4X-20145)
- Alpha-Casozepine (CAS 117592-45-7)
- des-5-Tyr-Cetrorelix (CAS CATO-C4X-201457)
- Relugoli Impurity 150 (CAS CATO-C4X-2429150)
- Pregabalin Impurity 14 (CAS CATO-C4X-131214)
- Dalbavancin Impurity 56 (CAS CATO-C4X-160256)
- 3-[(4-fluorophenyl)sulfamoyl]thiophene-2-carboxylic acid (CAS 944893-98-5)
- 3-(4-Chloro-phenyl)-isoxazole-5-carboxylic acid ethyl ester 81282-12-4 82C124 (CAS 81282-12-4)
- 1,1-difluoropropane-2-sulfonyl chloride (CAS 1955554-83-2)
- 3-(9H-Carbazol-9-yl)propan-1-amine (CAS 23690-10-0)
- (S)-1-(3-Fluoropropyl)pyrrolidin-3-amine (CAS 1568230-48-7)
- 1-(4,5-Dibromothiophene-2-carbonyl)piperidine-4-carboxamide (CAS 870769-18-9)
- Liraglutide Impurity 17 TFA Salt (CAS CATO-C4X-199217)
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