

share
Benzeneacetic Acid, α-[[1-[[[2-[[[(1,1-Dimethylethyl)Dimethylsilyl]Oxy]Methyl]Phenyl]Amino]Carbonyl]Propyl]Amino]-, Methyl Ester, (Alphas)- (9Ci) CAS NO 285996-33-0
Unit Price:
CAS No.:285996-33-0
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
Benzeneacetic Acid, α-[[1-[[[2-[[[(1,1-Dimethylethyl)Dimethylsilyl]Oxy]Methyl]Phenyl]Amino]Carbonyl]Propyl]Amino]-, Methyl Ester, (Alphas)- (9Ci) is a sophisticated, high-purity synthetic intermediate characterized by its protected functional groups, including a tert-butyldimethylsilyl (TBDMS) ether. This compound matters for its role as a critical building block in advanced organic synthesis, enabling the precise construction of complex molecules. It is primarily needed by pharmaceutical R&D and process chemistry teams for the development of active pharmaceutical ingredients (APIs) and other fine chemicals where stereochemical control and functional group manipulation are paramount.
Application
- Pharmaceutical Intermediate: A key chiral synthon in the multi-step synthesis of novel therapeutic agents and active pharmaceutical ingredients (APIs).
- Peptidomimetic Research: Used in the design and synthesis of peptide analogs and mimetics for drug discovery programs.
- Asymmetric Synthesis: Serves as a chiral auxiliary or protected intermediate in stereoselective chemical transformations.
- Process Chemistry Development: Employed in route scouting and optimization for the scalable manufacturing of complex organic molecules.
- Chemical Biology Probes: Utilized in the creation of labeled or modified compounds for studying biological pathways and target engagement.
- Custom Synthesis & Contract Manufacturing: A high-value starting material for fine chemical producers offering bespoke synthesis services.
Basic Information
| Product Name | Benzeneacetic Acid, α-[[1-[[[2-[[[(1,1-Dimethylethyl)Dimethylsilyl]Oxy]Methyl]Phenyl]Amino]Carbonyl]Propyl]Amino]-, Methyl Ester, (Alphas)- (9Ci) |
| CAS No. | 285996-33-0 |
| Molecular Formula | C26H38N2O4Si |
| Molecular Weight | 470.69 g/mol |
| Synonyms | (αS)-α-[[1-[[[2-[[[(1,1-Dimethylethyl)dimethylsilyl]oxy]methyl]phenyl]amino]carbonyl]propyl]amino]benzeneacetic acid methyl ester; Methyl (S)-2-((1-(2-((tert-butyldimethylsilyloxy)methyl)phenylamino)-1-oxopropan-2-yl)amino)-2-phenylacetate; TBDMS-protected phenylglycine derivative; Chiral N-protected amino acid ester; Silyl ether protected synthetic intermediate. |
| EINECS | Contact for details |
Quality Control
Our Benzeneacetic Acid, α-[[1-[[[2-[[[(1,1-Dimethylethyl)Dimethylsilyl]Oxy]Methyl]Phenyl]Amino]Carbonyl]Propyl]Amino]-, Methyl Ester, (Alphas)- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity assessment by HPLC, to ensure it meets the high standards required for pharmaceutical research and development. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your regulatory and quality assurance needs.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This compound is sensitive to fluoride/strong alkali; ensure it is stored separately from such materials. For long-term storage under inert atmosphere, please contact us for specific recommendations.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white solid |
| Identification (IR) | Conforms to structure |
| Identification (HPLC) | Conforms to reference |
| Assay (HPLC) | ≥ 97.0% |
| Chiral Purity (Chiral HPLC) | ≥ 98.0% ee |
| Related Substances (HPLC) | Total impurities ≤ 2.0% Any single impurity ≤ 1.0% |
| Residual Solvents (GC) | Meets ICH Q3C guidelines |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
Hot Related Products


1-(tert-Butyldimethylsilyloxy)-1- CAS NO 77086-38-5


3-(2,4-Dinitrophenylamino)Propyltriethoxysilane CAS NO 71783-41-0


2,2,4,4,5,5-Hexamethyl-1,3-Dioxa-2-Silacyclopentane CAS NO 3081-20-7


Silane, Tris (4-Biphenylyl)Phenyl- CAS NO 3325-28-8


Bis(Trimethylsilyl)Carbodiimide CAS NO 1000-70-0


n-Butyldimethylsilane CAS NO 1001-52-1


n-Trimethylsilylbenzamide CAS NO 1011-57-0


4-(Trimethylsiloxy)Benzaldehyde CAS NO 1012-12-0


1,5-Bis[(Trimethylsilyl)Oxy]Naphthalene CAS NO 1032-28-6


n-Butyltrimethoxysilane CAS NO 1067-57-8


Cyclotetramethylenedimethylsilane CAS NO 1072-54-4


Dimethyldimethoxysilane CAS NO 1112-39-6


Triethylbromosilane CAS NO 1112-48-7


Triethyliodosilane CAS NO 1112-49-8


Triethylvinylsilane CAS NO 1112-54-5


Lauric Acid 2,3-Bis(Trimethylsilyloxy)Propyl Ester CAS NO 1116-65-0


Trimethylsilyl Isocyanate CAS NO 1118-02-1


Tips CAS NO 1323-19-9


1,2-Ethenediylbis(Trimethylsilane) CAS NO 1473-61-6


Triphenylethoxysilane CAS NO 1516-80-9
Why choose US
Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.






