Description

Carbamic Acid, (4-Hydroxy-2-Butynyl)-, 1,1-Dimethylethyl Ester (9Ci) CAS NO 214749-90-3 is a specialized organic compound featuring a carbamate group linked to a hydroxybutynyl moiety, protected by a tert-butyl ester. This structure makes it a valuable protected intermediate and building block for the synthesis of more complex molecules, particularly in pharmaceutical research. It is primarily sought by R&D chemists and process development scientists in the fine chemical and life sciences industries for constructing novel active pharmaceutical ingredients (APIs) and bioactive compounds.

Application

This compound serves as a versatile intermediate in advanced organic synthesis. Key application areas include:

• Pharmaceutical Intermediate: A key building block for the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Medicinal Chemistry Research: Used in the exploration and development of new therapeutic agents, leveraging its reactive functional groups.
• Fine Chemical Synthesis: Employed in the multi-step synthesis of complex, high-value specialty chemicals.
• Bioconjugation & Probe Development: Potential use in creating labeled compounds or probes for biochemical and diagnostic applications.
• Academic & Industrial R&D: Serves as a research chemical in laboratories focused on organic methodology and new compound discovery.

Basic Information

Product Name	Carbamic Acid, (4-Hydroxy-2-Butynyl)-, 1,1-Dimethylethyl Ester (9Ci)
CAS No.	214749-90-3
Molecular Formula	C9H15NO3
Molecular Weight	185.22 g/mol
Synonyms	tert-Butyl (4-hydroxybut-2-yn-1-yl)carbamate; N-(4-Hydroxy-2-butynyl)carbamic Acid 1,1-Dimethylethyl Ester; (4-Hydroxybut-2-yn-1-yl)carbamic Acid tert-Butyl Ester; tert-Butyl N-(4-hydroxybut-2-yn-1-yl)carbamate; Boc-4-hydroxy-2-butynylamine; N-Boc-4-hydroxy-2-butynylamine; 2-Butyn-1-ol, 4-[[(1,1-dimethylethoxy)carbonyl]amino]- (9CI)
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. We employ advanced analytical techniques including HPLC, GC, NMR, and mass spectrometry to verify identity, purity, and consistency. Certificates of Analysis (COA) are available upon request, detailing batch-specific results for all critical parameters.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. For long-term stability, we recommend storage at 2-8°C. The compound may be hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere if specified.

Specification

Item	Specification
Appearance	White to off-white solid or colorless to pale yellow liquid/oil
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Typical grade, higher purity available)
Water Content (KF)	≤ 1.0%
Residual Solvents (GC)	Meets ICH guidelines

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