N-Acetyl-S-(2-hydroxy-3-propionamide)-L-cysteine Dicyclohexylammonium Salt CAS 137698-08-9(free acid)
| CAS No. | 137698-08-9(free acid) |
| Molecular Formula | C8H13N2O5S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 431.59 g/mol gives N-Acetyl-S-(2-hydroxy-3-propionamide)-L-cysteine Dicyclohexylammonium Salt distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
N-Acetyl-S-(2-hydroxy-3-propionamide)-L-cysteine Dicyclohexylammonium Salt (CAS 137698-08-9(free acid)), molecular formula C8H13N2O5SC12H24N and molecular weight 431.59 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of N-Acetyl-S-(2-hydroxy-3-propionamide)-L-cysteine Dicyclohexylammonium Salt (C8H13N2O5SC12H24N) is characterized by a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures N-Acetyl-S-(2-hydroxy-3-propionamide)-L-cysteine Dicyclohexylammonium Salt 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 | C8H13N2O5S C12H24N |
| Molecular Weight | 431.59 g/mol |
| Purity | >90% |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Recommended Standards
- Tert-butyl (1-(3-hydroxycyclobutyl)ethyl)carbamate (CAS 2167520-36-5)
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- 4-(4-Methyl-1H-imidazol-1-yl)benzaldehyde (CAS 127404-21-1)
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- Tert-butyl 1-formylcyclopentane-1-carboxylate (CAS 1546151-07-8)
- S-Benzylcysteine (CAS 5680-65-9)
- (E)-3-(2-fluoro-4-hydroxyphenyl)acrylic acid (CAS 696589-23-8)
- Peptide Impurity 09 X TFA Salt (CAS CATO-CPTD788809)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com