Description

Carbamic Acid, [(1S)-1,2-Dimethylpropyl]-, 1,1-Dimethylethyl Ester (9Ci) is a chiral carbamate derivative, a high-value intermediate of significant interest in advanced organic synthesis. Its primary value lies in its role as a key building block for the development of enantiomerically pure pharmaceuticals and agrochemicals, where stereochemical control is critical for efficacy and safety. This compound is essential for research and development chemists and process engineers in the pharmaceutical, fine chemical, and crop protection industries who require high-purity, structurally defined intermediates.

Application

• Pharmaceutical Intermediate: A crucial chiral synthon in the synthesis of active pharmaceutical ingredients (APIs), particularly for drugs targeting neurological and metabolic disorders.
• Agrochemical Synthesis: Used in the research and production of enantiomerically pure herbicides, fungicides, and insecticides to enhance selectivity and reduce environmental impact.
• Asymmetric Catalysis Research: Serves as a model substrate or ligand precursor in the development of new chiral catalysts and methodologies.
• Fine Chemical Production: Employed in the multi-step synthesis of complex natural products, flavors, and fragrances requiring specific stereochemistry.
• Process Chemistry & Scale-Up: Used for optimizing synthetic routes from laboratory to pilot plant and commercial manufacturing scales.

Basic Information

Product Name	Carbamic Acid, [(1S)-1,2-Dimethylpropyl]-, 1,1-Dimethylethyl Ester (9Ci)
CAS No.	293305-72-3
Molecular Formula	C11H23NO2
Molecular Weight	201.31 g/mol
Synonyms	tert-Butyl (S)-(1,2-dimethylpropyl)carbamate; (S)-tert-Butyl (1,2-dimethylpropyl)carbamate; (S)-1,2-Dimethylpropylcarbamic acid tert-butyl ester; (S)-N-(tert-Butoxycarbonyl)-1,2-dimethylpropylamine; BOC-(S)-1,2-dimethylpropylamine; (S)-N-BOC-1,2-dimethylpropylamine; tert-Butyl N-[(1S)-1,2-dimethylpropyl]carbamate
EINECS	Contact for details

Quality Control

Our production of Carbamic Acid, [(1S)-1,2-Dimethylpropyl]-, 1,1-Dimethylethyl Ester (9Ci) adheres to stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot is fully characterized using advanced analytical techniques including HPLC, GC, NMR, and chiral analysis to confirm identity, purity, and enantiomeric excess. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific customer or regulatory requirements, including cGMP standards for pharmaceutical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.