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4-Methylsulphonylphenylacetic acid (4-MSP)

4-Methylsulphonylphenylacetic acid (4-MSP)

CAS Number: 90536-66-6

Molecular Formula: C9H10O4S

About 4-Methylsulphonylphenylacetic acid (4-MSP)

4-Methylsulfonylphenylacetic acid (CAS No: 90536-66-6) serves as a vital aromatic building block in the pharmaceutical sector, primarily functioning as a critical intermediate in the synthesis of selective COX-2 inhibitors such as Etoricoxib and various heterocyclic diaryl compounds. This organic derivative is increasi...

4-Methylsulphonylphenylacetic acid (4-MSP) Specifications

CAS Number
90536-66-6
Molecular Formula
C9H10O4S
Molecular Weight
213.230
IUPAC Name
2-(4-methylsulfonylphenyl)acetic acid
Canonical SMILES
CS(=O)(=O)C1=CC=C(C=C1)CC(=O)O
InChI Key
HGGWOSYNRVOQJH-UHFFFAOYSA-N
MDL Number
MFCD00216495
UNSPSC Code
12352100
HSN No
2916399090
Molecular Weight
213.230
Physical State
White solid
Density
1.35 g/cm3
Boiling Point
443ºC at 760 mmHg
Melting Point
134-139ºC
Flash Point
221.7ºC
Water Solubility
Slightly
GHS Hazard Statements
H315 (20.4%): Causes skin irritation H319 (100%): Causes serious eye irritation H335 (18.4%): May cause respiratory irritation

Pharmaceutical Intermediate

An important raw material and intermediate used to synthesize etoricoxib, heterocyclic diaryl selective COX-2 inhibitors, and hydroxyfuranones as antioxidants

Agrochemical Formulation

A component used in formulating herbicides and fungicides to enhance crop protection and efficacy

Analytical Standard

A standard used in analytical methods for detecting and quantifying sulfonyl compounds in environmental samples

Biochemical Research Tool

A compound used to study metabolic pathways and enzyme interactions

Cosmetic Ingredient

A property-suitable additive for skincare products to reduce inflammation and improve skin health

Detail 1

Storage Stable under normal temperatures and pressures

Detail 2

Keep container closed when not in use

Detail 3

Store in a tightly closed container

Detail 4

Store in a cool, dry, well-ventilated area away from incompatible substances

4-Methylsulphonylphenylacetic acid (4-MSP) FAQs

Minimum Order Quantity

25 kg (evaluation) · 1 MT (commercial)

Lead Time

3 – 5 weeks estimated

Delivery Terms

FOB*

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

US Availability

US Facility Inventory

Documentation

US SDS · COA · TDS · Specification sheet

US Regulatory & Quality Information

TSCA status*

US SDS / HazCom*

GHS classification*

ISO 9001:2015 site*

DOT shipping classification*

FDA status*

EPA status*

California Prop 65*

Reliable US supply chain

Regulatory compliance

On-time delivery

Technical expert support

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