Phthalic Acid structure
Intermediates

Phthalic Acid

CAS Registry Number: 88-99-3

Phthalic Acid — dicarboxylic-acid intermediate for chemical synthesis and laboratory research. Purity 99% min. Molecular formula C8H6O4. Physical form: White crystalline powder. CAS Registry Number: 88-99-3. Supplied in 100g, 500g, 1kg+ qua

Product information

Phthalic Acid — dicarboxylic-acid intermediate for chemical synthesis and laboratory research. Purity 99% min. Molecular formula C8H6O4. Physical form: White crystalline powder. CAS Registry Number: 88-99-3. Supplied in 100g, 500g, 1kg+ quantities from $0.15/g entry for laboratory research, analytical method development, and reference-standard applications. Research use only — not for human or animal consumption.

Product specifications

CAS Registry Number
88-99-3
Therapeutic Category
Intermediates
API Technology
Synthetic / Semi-synthetic (per molecule)
Development Status
Commercial — stocked
Manufacturer
Longshine Boi-Tech Pvt. Ltd.
Facility
Pune, Maharashtra, India 411001

Regulatory filings & documentation

We maintain regulatory dossiers in the following jurisdictions for Phthalic Acid-relevant molecules. Letter of Authorization (LoA) and CEP / DMF / ASMF references are issued at no charge to qualified buyers.

US FDA DMF (Type II)
EDQM CEP (where applicable)
Brazil ANVISA
Canada Health Canada
Japan PMDA
Korea MFDS
GCC SFDA
EU CEP
WHO-GMP & ISO 9001:2015 certified. US FDA Drug Master File available. EDQM CEP supplied for EU procurement. Pharmacopoeial release against USP, Ph. Eur., IP, JP. CoA on every batch. First-shipment lead time 7-10 business days for stocked APIs.
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Frequently asked questions about Phthalic Acid

What is Phthalic Acid used for?

Phthalic Acid is supplied as a pharmaceutical-grade intermediates for use by regulated pharmaceutical manufacturers, contract development and manufacturing organisations (CDMOs), and research institutions. Buyers using Phthalic Acid typically reference it under CAS Registry Number 88-99-3.

What quality and regulatory standards does Longshine Boi-Tech's Phthalic Acid meet?

Our Phthalic Acid is manufactured under WHO-GMP and ISO 9001:2015 conditions in Pune, India. Per-batch Certificate of Analysis (CoA) is released against USP / Ph. Eur. / IP / JP specifications depending on destination market. We hold US FDA Drug Master File and EDQM Certificate of Suitability dossiers for the molecules where regulatory recognition is required; Letter of Authorization (LoA) is issued at no charge to qualified buyers.

How do I request a quote, sample, or proforma invoice for Phthalic Acid?

Quote requests for Phthalic Acid are turned around within 24 business hours (IST, Pune). Bulk APIs typically ship within 7-10 business days of confirmed PO; air freight to North America and Europe runs 4-5 days door-to-door. Sample agreements are signed before shipping QC-grade material to your formulation laboratory.

Which countries does Longshine Boi-Tech supply Phthalic Acid to?

We export Phthalic Acid to 50+ countries including the United States, Canada, Mexico, Brazil, the European Union, the United Kingdom, Japan, Australia, South Korea, the GCC and across South-East Asia. All regulatory documents (DMF / CEP / LoA) and shipping incoterms (EXW, FCA, CIP, DAP, DDP) are negotiated per buyer.

Related categories

Browse our Intermediates catalogue or the full 560+ product directory. Reference documents: certifications portfolio · quality system · FDA DMF buyer guide · EU CEP supplier guide.