Description

Carbamic Acid, [(1R,3E)-1-Formyl-3-Pentenyl]-, 1,1-Dimethylethyl Ester (9Ci) is a specialized chiral building block of significant interest in advanced organic synthesis. This compound, identified by CAS number 335386-73-7, is valued for its unique stereochemistry and functional groups, which enable precise molecular construction. It is primarily utilized by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of complex, biologically active molecules.

Application

• Key chiral intermediate in the research and development of novel active pharmaceutical ingredients (APIs).
• Building block for the synthesis of complex natural products and specialty agrochemicals.
• Precursor in medicinal chemistry programs for creating targeted compound libraries.
• Use in asymmetric synthesis to introduce specific stereocenters into target molecules.
• Intermediate for the development of protease inhibitors and other enzyme-targeted therapeutics.
• Starting material for fine chemical and custom synthesis projects requiring high stereochemical purity.

Basic Information

Product Name	Carbamic Acid, [(1R,3E)-1-Formyl-3-Pentenyl]-, 1,1-Dimethylethyl Ester (9Ci)
CAS No.	335386-73-7
Molecular Formula	C13H23NO3
Molecular Weight	241.33 g/mol
Synonyms	tert-Butyl N-[(1R,3E)-1-formylpent-3-en-1-yl]carbamate; (R,E)-tert-Butyl (1-formylpent-3-en-1-yl)carbamate; (1R,3E)-1-Formyl-3-pentenylcarbamic Acid tert-Butyl Ester; tert-Butyl ((1R,3E)-1-formylpent-3-en-1-yl)carbamate; BOC-Protected (R,E)-1-Amino-1-penten-3-al; (R,E)-N-Boc-1-Amino-1-penten-3-al; Carbamic acid, N-[(1R,3E)-1-formyl-3-penten-1-yl]-, 1,1-dimethylethyl ester
EINECS	Contact for details

Quality Control

Our Carbamic Acid, [(1R,3E)-1-Formyl-3-Pentenyl]-, 1,1-Dimethylethyl Ester (9Ci) is produced under strict quality management systems. Each batch undergoes comprehensive analytical characterization, including chiral purity analysis, to ensure it meets the exacting standards required for research and process development. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting identity, purity, and other critical parameters.

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 easily oxidized (store under inert atmosphere) and light-sensitive (store away from light). For long-term storage, consider maintaining the material under an inert atmosphere such as nitrogen or argon.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 95.0% (Area %)
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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