Description

Methanesulfonic Acid, [(1,1-Dimethylethyl)Amino]Oxo- (9Ci) is a specialized organosulfur compound featuring a tert-butylamino-oxo functional group attached to a methanesulfonic acid core. This unique structure makes it a valuable high-purity building block and intermediate in advanced synthetic chemistry. It is primarily sought after by pharmaceutical R&D and fine chemical manufacturers for the synthesis of novel active pharmaceutical ingredients (APIs) and complex organic molecules.

Application

• Pharmaceutical Intermediate: A key precursor in the multi-step synthesis of complex drug candidates, particularly those requiring sulfonamide or sulfonylurea-like pharmacophores.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators with enhanced activity.
• Organic Synthesis Reagent: Serves as a versatile reagent for introducing the tert-butylamino-oxo-methanesulfonyl moiety in custom synthesis and material science applications.
• Ligand and Catalyst Development: Employed in the creation of novel ligands for metal catalysis and organocatalysts for asymmetric synthesis.
• Chemical Research (R&D): Utilized in academic and industrial laboratories for methodological development and exploring new chemical reactions.

Basic Information

Product Name	Methanesulfonic Acid, [(1,1-Dimethylethyl)Amino]Oxo- (9Ci)
CAS No.	757899-69-7
Molecular Formula	C5H11NO3S
Molecular Weight	165.21 g/mol
Synonyms	N-(tert-Butyl)-oxo-methanesulfonamide; 2-Methyl-2-(sulfonamido)propanal; tert-Butylamino-oxo-methanesulfonic Acid; (tert-Butylamino)(oxo)methanesulfonic Acid; 757899-69-7; Methanesulfonic acid, [(1,1-dimethylethyl)amino]oxo-; (tert-Butylcarbamoyl)methanesulfonic Acid (tautomeric form)
EINECS	Contact for details

Quality Control

Our production of Methanesulfonic Acid, [(1,1-Dimethylethyl)Amino]Oxo- (9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for research and manufacturing use. Certificates of Analysis (COA) are provided with each shipment, detailing key parameters such as assay, identity, and impurity profiles. We support cGMP and ISO 9001 aligned practices for traceability and documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); ensure containers are sealed immediately after use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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