N-20:4 L-Serine (ARA-S) CAS 1246355-55-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1246355-55-4 |
| Molecular Formula | C23H37NO4 Na |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies N-20:4 L-Serine (ARA-S) (CAS 1246355-55-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C23H37NO4 Na. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C23H37NO4 Na |
| Molecular Weight | 414.54 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 2-(3-(((3-Chlorophenyl)thio)methyl)phenyl)benzo[d]thiazole (CAS 400087-87-8)
- 1-methyl-2-(piperazin-1-yl)-1H-benzo[d]imidazoleHCl (CAS 137898-68-1)
- Bupivacaine Impurity 30 (CAS 852804-30-9(free base))
- 5-(4-Methylphenyl)thieno[2,3-d]pyrimidine-4-thiol (CAS 307512-34-1)
- 2-[(3,5-Dimethylpiperidin-1-yl)methyl]-6-methylpyrimidin-4-ol (CAS 866155-52-4)
- Benzyl N-(4-chlorophenyl)-N-methylcarbamate (CAS 1881296-38-3)
- Insulin Degludec Impurity 9 (CAS CATO-C4X-21579)
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 13829788188 / jacky.chen@cato-chem.com