Description

Carbamic Acid, [[(4-Methylphenyl)Sulfonyl]Oxy]-, Phenylmethyl Ester is a specialized chemical intermediate of significant interest in advanced organic synthesis. This compound matters for its role as a versatile building block, enabling the controlled introduction of functional groups in complex molecular architectures. Pharmaceutical, agrochemical, and fine chemical R&D laboratories need it for developing new active ingredients and high-value specialty chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring sulfonyl or carbamate functionalities.
• Agrochemical Synthesis: Used in research and development for creating new herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor in the manufacture of dyes, pigments, and performance chemicals.
• Polymer Chemistry: Potential monomer or modifier in the development of specialty polymers with tailored properties.
• Protecting Group Reagent: Utilized in multi-step organic synthesis to temporarily protect specific functional groups during reactions.
• Bioconjugation & Linker Chemistry: Applied in the development of antibody-drug conjugates (ADCs) and other bioconjugation strategies.

Basic Information

Product Name	Carbamic Acid, [[(4-Methylphenyl)Sulfonyl]Oxy]-, Phenylmethyl Ester
CAS No.	64420-86-6
Molecular Formula	C15H15NO5S
Molecular Weight	321.35 g/mol
Synonyms	Benzyl N-[(p-toluenesulfonyl)oxy]carbamate; Benzyl (4-methylphenylsulfonyloxy)carbamate; Benzyl (tosyloxy)carbamate; N-(Benzyloxycarbonyloxy)-4-methylbenzenesulfonamide; Carbamic acid, N-[(4-methylphenyl)sulfonyl]oxy-, benzyl ester; O-[(4-Methylphenyl)sulfonyl]carbamic acid benzyl ester; Benzyloxycarbonyloxy tosylate; Z-Tosyloxy carbamate
EINECS	Contact for details

Quality Control

Our production of Carbamic Acid, [[(4-Methylphenyl)Sulfonyl]Oxy]-, Phenylmethyl Ester adheres to stringent quality protocols to ensure batch-to-batch consistency and reliability for your critical syntheses. Each lot undergoes comprehensive analytical testing, including HPLC for purity, NMR for structural confirmation, and KF titration for moisture content. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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