Cyclo(-D-Tyr-Arg-Gly-Asp-Cys(carboxymethyl)-OH) sulfoxide CAS 143120-27-8
| CAS No. | 143120-27-8 |
| Molecular Formula | C26H36N8O11S |
| Molecular Weight | 668.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Cyclo(-D-Tyr-Arg-Gly-Asp-Cys(carboxymethyl)-OH) sulfoxide (C26H36N8O11S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 668.69 g/mol, it falls into the high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies Cyclo(-D-Tyr-Arg-Gly-Asp-Cys(carboxymethyl)-OH) sulfoxide (CAS 143120-27-8), a certified reference material (molecular formula C26H36N8O11S, MW 668.69 g/mol) for analytical method development and quality control.
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 manufactures Cyclo(-D-Tyr-Arg-Gly-Asp-Cys(carboxymethyl)-OH) sulfoxide 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 | C26H36N8O11S |
| Molecular Weight | 668.69 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 8 |
| Sulfur Atoms | 1 |
Related Cyclo Standards
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Why CATO?
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