Phone: +86-18018237128        E-mail:  customerservice@eastfine.net
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138229-59-1 Methyl 3-formyl-2-nitrobenzoate Manufacturer

EASTFINE has been a dedicated manufacturer for high-purity 138229-59-1 Methyl 3-formyl-2-nitrobenzoate since 1995. As a professional chemical enterprise, we specialize in providing this essential pharmaceutical intermediate. Our commitment to quality, backed by robust R&D and production capabilities, ensures reliable supply and professional service for clients across Asia, America, and Europe.

  • 138229-59-1

  • Methyl 3-formyl-2-nitrobenzoate

  • ≥98%

  • In-Stock Products: 7 days from order confirmation
    Non-Stock Orders: Lead time negotiable based on production schedule

  • 1 ton

  • Solid: 30 tons; Liquid: 60 tons

  • White to yellow crystalline powder

  • 25KG Cardboard Drum
    Contact us for Customized Packaging

  • Available upon request. Please contact us for more information.

Availability:
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Product Description


Key Features of 1191-95-3 Cyclobutanone


Product Overview


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High purity (≥98%) suitable for pharmaceutical synthesis

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Key intermediate for API and generic drug manufacturing

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Ton-scale production for commercial-scale supply

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7 days dispatch for in-stock products

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Consistent batch quality ensured through QA procedures

As a professional manufacturer, EASTFINE offers 1191-95-3 Cyclobutanone as a valuable cyclic ketone intermediate widely used in pharmaceutical and fine chemical synthesis. With high purity (≥98%) and reliable chemical stability, our factory ensures this product is well-suited for applications requiring precise reactivity, particularly in the construction of small-ring and functionalized molecular structures.

Produced under controlled manufacturing conditions at our production facility, this compound ensures consistent performance in both laboratory-scale research and industrial synthesis. Supported by EASTFINE’s established inventory system, we serve as a dependable supplier with Cyclobutanone available in stock at ton-level quantities, enabling efficient procurement and stable supply for your commercial-scale applications.


Use Cases of 1191-95-3 Cyclobutanone


Typical Use Cases


Pharmaceutical Intermediates

Key building block for cyclobutane-based molecular structures

Pharmaceutical Intermediates

Intermediate for API and pharmaceutical synthesis

Pharmaceutical Intermediates

Useful in ring-opening and functionalization reactions

Pharmaceutical Intermediates

Applied in fine chemical and specialty compound synthesis

Pharmaceutical Intermediates

Supports multi-step and complex organic synthesis routes

Chemical Versatility and Application


1191-95-3 Cyclobutanone is an important small-ring ketone widely used as a building block in organic synthesis. As a specialized manufacturer, EASTFINE provides material that leverages the inherent ring strain of the cyclobutane structure to offer higher reactivity compared to linear ketones, making it particularly valuable for your factory-scale reactions involving ring-opening, functional group transformation, and carbon skeleton construction.

In pharmaceutical synthesis, Cyclobutanone is commonly used as a key intermediate for constructing complex molecular frameworks, including API precursors and bioactive compounds. As a leading supplier, we ensure its reactivity allows chemists to introduce structural diversity efficiently, especially in the development of molecules requiring constrained ring systems for improved biological properties.

Beyond pharmaceuticals, it is also applied in fine chemical and specialty synthesis, where it serves as a versatile synthon for advanced intermediates and functionalized derivatives. EASTFINE’s high-purity supply ensures predictable reactivity and reliable performance in multi-step synthetic routes, making us a dependable B2B partner for your large-scale manufacturing requirements.


Specifications of 1191-95-3 Cyclobutanone


As a professional manufacturer, EASTFINE supplies 1191-95-3 Cyclobutanone with high purity (≥98%) and strictly controlled quality parameters to ensure stable performance in organic synthesis and pharmaceutical intermediate production. Each batch is tested at our factory to confirm compliance with internal quality standards, ensuring reliability in both laboratory and industrial applications.

By maintaining high oversight across our production facility, we serve as a dependable supplier for clients requiring consistent material specifications. This commitment to quality ensures that our products function seamlessly in downstream manufacturing, making EASTFINE a trusted B2B partner for large-scale chemical sourcing.


Property Specification
CAS No. 138229-59-2
Chemical Name Methyl 3-formyl-2-nitrobenzoate
Purity ≥98%
Monthly Capacity Solid: 30 tons; Liquid: 60 tons
MOQ 1 ton
Lead Time

In-Stock Products: 7 days from order confirmation

Non-Stock Orders: Lead time negotiable based on production schedule

Appearance Colorless to pale yellow liquid
Packaging 25KG Cardboard Drum
Contact us for Customized Packaging
138229-59-1
MSDS/COA Available upon request. Please contact us for more information.
Molecular Formula C9H7NO5
Molecular Weight

209.16 g/mo

Boiling Point -
Density -
Storage Conditions Store in a cool, dark, and well-ventilated area


Pharmaceutical intermediates


Supply Capacity & MOQ of 1191-95-3 Cyclobutanone


Supply Specifications and Logistics


Pharmaceutical Intermediates

Minimum Order Quantity:

Ton-level (≥1 ton)

Pharmaceutical Intermediates

In-stock delivery:

typically within 7 days

Pharmaceutical Intermediates

Flexible production planning for non-stock orders

Pharmaceutical Intermediates

Reliable global logistics covering Europe, America, and Asia

Production and Supply Stability


As a leading manufacturer, EASTFINE provides a stable and scalable supply of 1191-95-3 Cyclobutanone to support both pharmaceutical and fine chemical production. With coordinated production planning and inventory management, our factory ensures consistent availability for customers requiring a reliable B2B supplier for high-quality halogenated intermediates.

This product is available in stock and can be supplied at ton-level quantities, making it suitable for both pilot and commercial-scale applications. As your direct factory source, orders for in-stock material can typically be arranged within a short lead time, helping customers maintain efficient production schedules and minimize delays in their large-scale synthesis processes.


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Why Choose Us


Key Competitive Advantages


Pharmaceutical Intermediates

Over 30 years of manufacturing experience

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Ton-scale production capability

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Integrated R&D, manufacturing, and QA system

Pharmaceutical Intermediates

Global supply network with stable logistics

Experience and Industry Reputation


Since 1995, EASTFINE has established itself as a premier manufacturer of fine chemicals and pharmaceutical intermediates, leveraging decades of expertise to supply high-performance reagents like 1191-95-3 Cyclobutanone. As a trusted factory partner, we specialize in providing stable process solutions that support our clients from initial R&D development through to large-scale commercial manufacturing.


Integrated Production and Quality Control


By integrating R&D, advanced manufacturing, and rigorous quality control within our unified production facility, we maintain total oversight over every batch to ensure strict specification compliance. Our ton-scale production capability and strategic inventory management allow us to act as a reliable direct supplier, offering consistent availability for customers with continuous industrial demand.

Serving a global clientele across Europe, America, and Asia, EASTFINE is committed to being a preferred B2B partner. We prioritize supply chain stability, transparent communication, and efficient logistics to facilitate long-term cooperation in pharmaceutical and fine chemical sourcing.


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FAQs about 1191-95-3 Cyclobutanone


What are the main applications of Cyclobutanone?

Cyclobutanone is mainly used as a building block in organic synthesis, particularly for constructing cyclobutane-containing structures and pharmaceutical intermediates. It is widely applied in API development and fine chemical synthesis.


What is the minimum order quantity (MOQ)?

The standard MOQ is 1 ton, which is designed to support industrial-scale production and long-term supply requirements.


What is the lead time for delivery?

For in-stock products, delivery can be arranged within 7 days. For custom synthesis or large-scale orders, lead time will depend on production schedule.


How should the product be stored and handled?

It should be stored in a cool, dry, and well-ventilated area, away from heat sources and direct sunlight to maintain product stability.


Does EASTFINE provide OEM or custom synthesis services?

Yes, we offer tailored synthesis and OEM solutions for chemical intermediates, including specific variants of 1191-95-3 Cyclobutanone. Our dedicated Custom Synthesis Department manages logistics, quality control, and development support.


Can clients audit your production facilities?

Yes, EASTFINE welcomes client audits. Our manufacturing follows GMP-like standards, ensuring transparency and compliance with quality protocols.


Are samples available before placing bulk orders?

Samples are available on request for evaluation purposes. Please contact our sales team to discuss sample arrangements and terms.


What payment methods are accepted?

Secure international payment options are supported, including T/T bank transfers. Our sales team can discuss flexible arrangements depending on client requirements.


Does EASTFINE participate in international trade shows?

Yes, we regularly attend CPHI and other industry events to showcase products and connect with clients globally.


How does EASTFINE ensure continuous quality improvement?

Our QA team is involved from R&D to production, reviewing processes against GMP-like standards, integrating feedback, and adopting new technologies to maintain product consistency and reliability.


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Our Research & Development Capabilities


Technical R&D Highlights


Pharmaceutical Intermediates

Pilot-scale and kilo-lab capabilities for scale-up validation

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Process optimization for yield, efficiency, and stability

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Support for custom synthesis and intermediate development

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Seamless transfer from R&D to industrial production

Core Drivers of Innovation and Quality


As a technology-driven manufacturer, research and development is a core driver behind EASTFINE’s ability to deliver consistent, high-quality pharmaceutical intermediates. Our factory R&D team focuses on developing efficient synthesis routes, improving process stability, and ensuring that laboratory results can be reliably scaled to full-scale industrial production.


Scale-Up and Validation Infrastructure


Our manufacturing facilities include pilot-scale and kilo-lab capabilities, allowing us to validate reaction conditions, optimize yields, and assess process reproducibility as a reliable industrial supplier before full-scale manufacturing. This integrated factory approach minimizes risks during scale-up and ensures that production processes remain stable across different batch sizes for our B2B global partners.


Customer-Centric R&D Services


In addition to process development, our R&D efforts are closely aligned with B2B customer needs. As a strategic manufacturing partner, we support custom synthesis projects, route optimization, and cost-efficiency improvements, enabling clients and global procurement teams to achieve better performance in their downstream industrial manufacturing.


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Our Manufacturing Capabilities


Core Manufacturing Advantages


Pharmaceutical Intermediates

Multi-purpose production lines for flexible manufacturing

Pharmaceutical Intermediates

Ton-scale production capacity for commercial supply

Pharmaceutical Intermediates

Integrated production planning and inventory management

Pharmaceutical Intermediates

Stable supply supported by warehouse and logistics systems

Scalable and Flexible Production Systems


EASTFINE’s manufacturing system is designed as a direct factory model to support stable, large-scale production of pharmaceutical intermediates. As a global supplier, our production model integrates dedicated in-house facilities with a network of qualified industrial partners, allowing us to maintain supply chain flexibility while ensuring consistent output quality for our B2B clients.


Infrastructure and Process Standardization


The manufacturing site is equipped with multi-purpose reactors and controlled processing environments, enabling the factory to safely handle a wide range of chemical reactions as a high-capacity supplier. Each stage of production, from raw material sourcing to final packaging, is managed under standardized industrial procedures to ensure operational consistency for our B2B global partners.


Inventory Management and Supply Continuity


To support continuous supply, our factory production planning system is aligned with inventory management and B2B logistics coordination. This ensures as a reliable manufacturer that both in-stock products and scheduled production orders can be delivered reliably, even under fluctuating market demand conditions, maintaining supply chain stability for our global partners.


our factory

Our Quality Control & Assurance


Quality Control Highlights


Pharmaceutical Intermediates

Comprehensive testing for purity, physical properties, and stability

Pharmaceutical Intermediates

Batch-to-batch consistency ensured through standardized procedures

Pharmaceutical Intermediates

CoA provided for every shipment for full traceability

Pharmaceutical Intermediates

QA oversight from production to final release

Quality Management Throughout the Production Lifecycle


Quality control is embedded throughout the entire factory production lifecycle at EASTFINE, from raw material selection to final product release. As a professional manufacturer, our objective is to ensure that every batch of 1191-95-3 Cyclobutanone meets defined specifications and performs consistently as a reliable industrial intermediate in downstream B2B applications.


Analytical Testing and Verification


Our factory QC system combines in-process monitoring with final product testing, supported by advanced analytical techniques as a leading industrial manufacturer. Parameters such as purity, physical properties, and stability are verified to ensure B2B compliance with internal standards and the technical requirements of our global procurement partners.


Traceability and Documentation Standards


In addition, our factory quality assurance procedures emphasize traceability and documentation. Each batch as a leading manufacturer is accompanied by a Certificate of Analysis (CoA), providing transparency and confidence for B2B customers operating in regulated industrial environments.


QC

Our Core Values


Integrity and Responsibility

Treat customers with integrity and communicate frankly

Report truthfully, without false reporting, concealment, or omission

Keep promises and ensure actions yield results

Admit mistakes bravely and take responsibility


Professional Excellence

Continuously acquire new knowledge and enhance professional competence

Summarize experience from successes

Learn from strengths, overcome weaknesses, and improve continuously

Draw lessons from failures


Collaborative Win-Win

Abide by laws and regulations, ensuring compliant operations

Strive to lead and appreciate others’ achievements

Continuously innovate and pursue excellence

Support colleagues and advance together

Provide high-quality services with a professional and rigorous attitude


Sustainable Development

Place team interests above individual interests

Foster mutual respect, focusing on issues, not individuals

Engage in timely, active, and effective communication

Abide by rules and fulfill commitments



Certifications & Intellectual Property


Commitment to Intellectual Property Protection


EASTFINE is committed to a robust culture of intellectual property (IP) protection. As a leading 1191-95-3 Cyclobutanone manufacturer, we understand the importance of safeguarding confidential synthesis routes and proprietary information for our B2B global partners.


Innovation and Patent Portfolio


Our active patent portfolio, which includes 19 invention patents and 8 utility model patents, is a testament to our dedication to innovation as a leading industrial manufacturer. This strong IP framework ensures that as a strategic manufacturing partner, we can handle your most sensitive B2B projects with complete confidentiality, professionalism, and factory-direct security.


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Contact Info


EASTFINE welcomes inquiries from clients worldwide and is committed to providing timely and professional support throughout the procurement process.


Address: No. 2188, Longcheng Avenue, Zhonglou District, Changzhou City, Jiangsu Province, China


Phone: +86-18018237128


Email: customerservice@eastfine.net


For product inquiries, technical documentation, or quotation requests, please contact our team directly. We are ready to support your sourcing and production needs with reliable supply and professional service.


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Phone: +86-18018237128 

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