N,N-Dibenzyl-D-serine Methyl Ester CAS 202478-34-0
| CAS No. | 202478-34-0 |
| Molecular Formula | C18H21NO3 |
| Molecular Weight | 299.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N,N-Dibenzyl-D-serine Methyl Ester (CAS 202478-34-0), molecular formula C18H21NO3 and molecular weight 299.36 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, N,N-Dibenzyl-D-serine Methyl Ester is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 299.36 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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.
As a certified reference material (CRM), N,N-Dibenzyl-D-serine Methyl Ester meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C18H21NO3 |
| Molecular Weight | 299.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2014 |
| Nitrogen Atoms | 1 |
Recommended Standards
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- 3-Amino-1-[4-(3-methylphenyl)piperazin-1-yl]propan-1-one (CAS 896520-86-8)
- Tert-butyl 4-((1,1-dioxidotetrahydrothiophen-3-yl)amino)piperidine-1-carboxylate (CAS 1154102-47-2)
- 1-(4-(Methylamino)-3-nitrophenyl)ethan-1-one (CAS 18076-17-0)
- N-(4-Hydroxyphenyl)-5-methyl-3-phenyl-1,2-oxazole-4-carboxamide (CAS 494762-76-4)
- Insulin Degludec Impurity 18 (CAS CATO-C4X-215718)
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