Description

(7S)-7-Methyl-5-(4-Nitrophenyl)-7,8-Dihydro-5H-[1,3]Dioxolo[4,5-G]Isochromene CAS NO 196303-01-2 is a high-purity, synthetic organic compound featuring a complex fused isochromene and dioxole structure with a nitrophenyl substituent. This compound is valued for its role as a critical advanced pharmaceutical intermediate and a versatile building block in specialized organic synthesis. It is primarily required by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for developing novel active ingredients and complex molecules.

Application

• Pharmaceutical Intermediate: Serves as a key chiral precursor in the synthesis of potential drug candidates, particularly for central nervous system (CNS) or anti-infective applications.
• Agrochemical Research: Used as a building block for developing new pesticides or herbicides, leveraging its complex heterocyclic core.
• Organic Synthesis Reagent: Acts as a specialized substrate or intermediate in academic and industrial research for constructing complex polycyclic frameworks.
• Material Science Research: Potential precursor for the development of organic electronic materials or specialty dyes due to its conjugated system and nitro group.
• Chemical Reference Standard: Supplied as a high-purity standard for analytical method development, quality control, and regulatory compliance in related manufacturing processes.

Basic Information

Product Name	(7S)-7-Methyl-5-(4-Nitrophenyl)-7,8-Dihydro-5H-[1,3]Dioxolo[4,5-G]Isochromene
CAS No.	196303-01-2
Molecular Formula	C19H17NO5
Molecular Weight	339.34 g/mol
Synonyms	7-Methyl-5-(4-nitrophenyl)-7,8-dihydro-5H-[1,3]dioxolo[4,5-g]isochromene; (7S)-7-Methyl-5-(4-nitrophenyl)-7,8-dihydro-5H-1,3-dioxolo[4,5-g]isochromene; 5H-[1,3]Dioxolo[4,5-g]isochromene, 7,8-dihydro-7-methyl-5-(4-nitrophenyl)-, (7S)-; 196303-01-2; (S)-7-Methyl-5-(4-nitrophenyl)-7,8-dihydro-5H-[1,3]dioxolo[4,5-g]isochromene
EINECS	Contact for details

Quality Control

Our production of (7S)-7-Methyl-5-(4-Nitrophenyl)-7,8-Dihydro-5H-[1,3]Dioxolo[4,5-G]Isochromene adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, chiral analysis, and identity confirmation, to ensure it meets precise customer specifications. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all critical quality attributes.

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). Keep away from incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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