Homophthalic Anhydride | 703-59-3

Description :

Homophthalic Anhydride Supplier & Distributor in India

ChemicalBull supplies Homophthalic Anhydride for pharmaceutical intermediate, fine chemical, agrochemical and speciality synthesis requirements. Buyers comparing Homophthalic Anhydride suppliers in India can contact us for specifications, COA, MSDS/SDS, packing options, current availability and commercial pricing.

Homophthalic Anhydride, CAS Number 703-59-3, is an aromatic cyclic anhydride used as a reactive building block in industrial organic synthesis. Its molecular formula is C9H6O3, and its molecular weight is approximately 162.14 g/mol.

Planning a commercial requirement? Share your required purity, quantity, packing and delivery location to receive suitable supply information and a quotation.

Overview of Homophthalic Anhydride

Homophthalic Anhydride is also known as 1,3-Isochromandione or 1H-Isochromene-1,3(4H)-dione. It is valued for its reactive anhydride functionality and activated methylene group, which make it suitable for condensation, cyclisation and ring-forming reactions.

The product is primarily used as an intermediate rather than as a finished formulation ingredient. It enables chemical manufacturers to construct heterocyclic structures and other complex molecules through controlled multi-step synthesis.

Homophthalic Anhydride is intended for industrial chemical processing. The offered material should be evaluated against the buyer’s approved specification before being introduced into any production route.

Applications of Homophthalic Anhydride

Pharmaceutical Intermediate Synthesis

Pharmaceutical intermediate manufacturers use Homophthalic Anhydride as a building block in the production of selected heterocyclic compounds and advanced organic intermediates.

Its reactive structure supports condensation and cyclisation reactions used to develop complex molecular frameworks. Actual suitability depends on the synthesis route, reaction conditions, purity requirement and downstream impurity controls.

Buyers should confirm assay, moisture, appearance and related-substance limits before approving a batch for pharmaceutical intermediate production.

Heterocyclic Compound Manufacturing

Homophthalic Anhydride is particularly useful in reactions designed to form oxygen- or nitrogen-containing ring systems.

It can participate in annulation and cyclocondensation reactions with suitable reaction partners. This reactivity allows manufacturers to produce substituted heterocyclic structures required in pharmaceutical, agrochemical and speciality chemical value chains.

Reaction performance should be assessed under the buyer’s controlled production conditions.

Fine and Speciality Chemical Production

Fine chemical manufacturers use Homophthalic Anhydride in multi-stage synthesis where a reactive aromatic anhydride building block is required.

It may support the production of customised intermediates, functional aromatic compounds and higher-value speciality molecules. Selection of the correct grade is important because moisture, residual starting materials and other impurities can affect reaction conversion and finished-product quality.

Agrochemical Intermediate Synthesis

Homophthalic Anhydride may be used in the manufacture of selected agrochemical and crop-protection intermediates.

Its aromatic backbone and reactive functional groups allow further chemical modification through condensation, substitution and ring-forming reactions. Agrochemical manufacturers should evaluate the offered material according to their process route and impurity requirements.

Homophthalic Anhydride for Industrial Buyers

ChemicalBull supports requirements from:

• Pharmaceutical intermediate manufacturers

• Fine and speciality chemical producers

• Agrochemical intermediate companies

• Heterocyclic compound manufacturers

• Custom synthesis companies

• Industrial organic chemical processors

Buyers should provide their required specification, order quantity, packing preference, application and delivery destination when requesting an offer.

Homophthalic Anhydride Price and Bulk Supply

The Homophthalic Anhydride price depends on purity, specification, quantity, packing, manufacturing availability and delivery destination.

Buyers searching for Homophthalic Anhydride price in India, CAS 703-59-3 price or commercial supply should share:

• Required purity or assay

• Analytical test method

• Maximum moisture limit

• Important impurity limits

• Trial or commercial quantity

• Preferred packing

• Delivery location

• Expected procurement schedule

ChemicalBull can coordinate suitable sourcing, documentation and commercial terms according to the approved buyer requirement.

Quality Checks Before Procurement

Homophthalic Anhydride is moisture-sensitive, and its quality requirements can differ between synthesis routes. Procurement and technical teams should confirm:

• Product identity

• Assay or purity

• Appearance

• Melting range, where specified

• Moisture content

• Related substances

• Residual starting materials

• Analytical method

• Batch-specific COA

• Applicable MSDS/SDS

• Storage and packing requirements

The product should not be approved based only on its name or quoted price. Buyers should compare the complete specification, test methods, documentation and delivered commercial terms.

Source Homophthalic Anhydride in India

ChemicalBull supplies Homophthalic Anhydride to pharmaceutical, agrochemical, fine chemical and speciality intermediate manufacturers across India and selected international markets.

Homophthalic Anhydride Sourcing Support

Buyers evaluating Homophthalic Anhydride manufacturers in India can contact ChemicalBull for sourcing options based on purity, specification, quantity and application.

Our team coordinates product availability, technical documentation, packing requirements and delivery planning according to the buyer’s approved parameters.

Homophthalic Anhydride Supplier and Distributor

As a B2B Homophthalic Anhydride supplier, distributor and exporter, ChemicalBull supports trial, recurring and commercial-volume requirements.

Provide your specification, required quantity and destination to receive current availability, expected lead time and a commercial offer.

Homophthalic Anhydride COA and MSDS/SDS

A batch-specific Homophthalic Anhydride COA may include identity, assay, appearance and other applicable test results.

The Homophthalic Anhydride MSDS/SDS provides information about hazards, exposure controls, personal protection, storage, handling, accidental release and disposal.

Buyers may request the available specification, COA and MSDS/SDS for technical review before placing an order.

Request a Homophthalic Anhydride Quotation

Looking for Homophthalic Anhydride for pharmaceutical intermediates, heterocyclic compounds, agrochemical intermediates or speciality synthesis?

Send ChemicalBull your required purity, specification, quantity, packing and delivery destination.

Connect with our commercial team for CAS 703-59-3 availability, documentation, lead time and competitive pricing.

Related Products

• Homophthalic Acid

• Phthalimide

• N-Methylphthalimide

• Phthalic Anhydride
  
  
  

Frequently Asked Questions

1. What is the CAS number of Homophthalic Anhydride?

   The CAS Number of Homophthalic Anhydride is 703-59-3. Its molecular formula is C9H6O3, and its molecular weight is approximately 162.14 g/mol.
   
   

2. What is Homophthalic Anhydride used for?

   It is mainly used as an industrial intermediate in pharmaceutical, heterocyclic, agrochemical, fine chemical and speciality chemical synthesis.
   
   

3. Why is Homophthalic Anhydride useful in organic synthesis?

   Its cyclic anhydride functionality and activated methylene group support condensation, cyclisation and ring-forming reactions used to produce complex organic intermediates.
   
   

4. Is Homophthalic Anhydride moisture-sensitive?

   Yes. Commercial product information identifies it as moisture-sensitive. It should be stored in tightly closed packaging under the conditions specified by the supplier.
   
   

5. How can buyers obtain the current Homophthalic Anhydride price?

   Buyers should share the required purity, quantity, specification, packing and delivery location. ChemicalBull can then provide current availability and a relevant commercial quotation.

ChemicalBull supplies Homophthalic Anhydride across India, serving customers in Andhra Pradesh, Arunachal Pradesh, Assam, Bihar, Chhattisgarh, Goa, Gujarat, Haryana, Himachal Pradesh, Jharkhand, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Manipur, Meghalaya, Mizoram, Nagaland, Odisha, Punjab, Rajasthan, Sikkim, Tamil Nadu, Telangana, Tripura, Uttar Pradesh, Uttarakhand, and West Bengal, as well as the Union Territories of Andaman & Nicobar Islands, Chandigarh, Dadra & Nagar Haveli and Daman & Diu, Delhi, Jammu & Kashmir, Ladakh, Lakshadweep, and Puducherry. We serve pharmaceutical, chemical, research, academic, laboratory, manufacturing, and industrial customers with reliable nationwide delivery.