Ac-D-Cys(H-Cys-OH)-D-Ala-D-Ala-D-Arg-D-Arg-D-Arg-D-Ala-D-Arg-NH2 CAS CATO-C4X-324711
| CAS No. | CATO-C4X-324711 |
| Molecular Formula | C41H78N22O11S2 |
| Molecular Weight | 1119.33 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Ac-D-Cys(H-Cys-OH)-D-Ala-D-Ala-D-Arg-D-Arg-D-Arg-D-Ala-D-Arg-NH2 is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Ac-D-Cys(H-Cys-OH)-D-Ala-D-Ala-D-Arg-D-Arg-D-Arg-D-Ala-D-Arg-NH2 (CAS CATO-C4X-324711) is a certified pharmaceutical impurity reference standard with the molecular formula C41H78N22O11S2 and a molecular weight of 1119.33 g/mol.
Based on its molecular formula C41H78N22O11S2, Ac-D-Cys(H-Cys-OH)-D-Ala-D-Ala-D-Arg-D-Arg-D-Arg-D-Ala-D-Arg-NH2 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 1119.33 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 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.
CATO manufactures Ac-D-Cys(H-Cys-OH)-D-Ala-D-Ala-D-Arg-D-Arg-D-Arg-D-Ala-D-Arg-NH2 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 | C41H78N22O11S2 |
| Molecular Weight | 1119.33 g/mol |
| Purity | >95% |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 22 |
| Sulfur Atoms | 2 |
Recommended Standards
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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