Description

Carbamic Acid, (5-Formyl-1-Methyl-1H-Pyrazol-4-Yl)-, 1,1-Dimethylethyl Ester (9Ci) is a specialized pyrazole derivative carbamate ester, serving as a crucial protected intermediate in advanced organic synthesis. Its core value lies in enabling the controlled introduction of the formylpyrazole moiety, a key structural motif in medicinal chemistry. This high-purity building block is essential for researchers and manufacturers developing novel active pharmaceutical ingredients (APIs), agrochemicals, and functional materials. The compound, identified by CAS number 796845-65-3, is supplied to meet the stringent demands of process development and scale-up.

Application

• Pharmaceutical Intermediate: A key protected building block for the synthesis of novel drug candidates, particularly in kinase inhibitor and anti-inflammatory agent research.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides where the pyrazole core provides specific biological activity.
• Chemical Research & Development: Serves as a versatile synthon in academic and industrial R&D for constructing complex heterocyclic compounds.
• Material Science Precursor: Potential use in the synthesis of specialty polymers or ligands for metal-organic frameworks (MOFs) due to its functional groups.
• Custom Synthesis & Contract Manufacturing: A critical starting material for custom synthesis projects requiring high-purity, structurally defined intermediates.

Basic Information

Item	Details
Product Name	Carbamic Acid, (5-Formyl-1-Methyl-1H-Pyrazol-4-Yl)-, 1,1-Dimethylethyl Ester (9Ci)
CAS No.	796845-65-3
Molecular Formula	C11H16N2O3
Molecular Weight	224.26 g/mol
Synonyms	tert-Butyl (5-formyl-1-methyl-1H-pyrazol-4-yl)carbamate; (5-Formyl-1-methyl-1H-pyrazol-4-yl)-carbamic acid tert-butyl ester; 1,1-Dimethylethyl N-(5-formyl-1-methyl-1H-pyrazol-4-yl)carbamate; 4-[(tert-Butoxycarbonyl)amino]-1-methyl-1H-pyrazole-5-carbaldehyde; BOC-Protected 5-formyl-1-methyl-1H-pyrazol-4-amine; tert-Butyl 5-formyl-1-methyl-1H-pyrazol-4-ylcarbamate
EINECS	Contact for details

Quality Control

Our Carbamic Acid, (5-Formyl-1-Methyl-1H-Pyrazol-4-Yl)-, 1,1-Dimethylethyl Ester (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure compliance with customer specifications and industry standards. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality attributes. For projects requiring specific regulatory support, we can discuss compliance with relevant frameworks.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). This compound is light-sensitive (store away from light) and may be incompatible with strong acids and organic solvents. Keep away from heat, sparks, and open flame. For long-term storage, consider inert gas purging to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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