Methyl n-(tert-butoxycarbonyl)-s-(tert-Butylthio)-l-cysteinate CAS 109345-33-7
| CAS No. | 109345-33-7 |
| Molecular Formula | C13H25NO4S2 |
| Molecular Weight | 323.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 323.47 g/mol gives Methyl n-(tert-butoxycarbonyl)-s-(tert-Butylthio)-l-cysteinate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Methyl n-(tert-butoxycarbonyl)-s-(tert-Butylthio)-l-cysteinate (CAS 109345-33-7), molecular formula C13H25NO4S2 and molecular weight 323.47 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Methyl n-(tert-butoxycarbonyl)-s-(tert-Butylthio)-l-cysteinate (C13H25NO4S2) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 323.47 g/mol, it falls into the moderately-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.
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 Methyl n-(tert-butoxycarbonyl)-s-(tert-Butylthio)-l-cysteinate 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 | C13H25NO4S2 |
| Molecular Weight | 323.47 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Recommended Standards
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Why CATO?
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