Monobutyl maleate CAS 925-21-3 | High-Purity Supplier & Bulk Manufacturer
| Product Name | Monobutyl maleate |
|---|---|
| Synonyms | n-butyl maleate, Butyl hydrogen maleate, Hydrogen butyl maleate, MALEIC ACID 1-BUTYL ESTER, Maleic acid, monobutyl ester |
| CAS Number | 925-21-3 |
| Catalog No. | FT-0628120 |
| Molecular Formula | C8H12O4 |
| Molecular Weight | 172.1800 |
| IUPAC Name | (Z)-4-butoxy-4-oxobut-2-enoic acid |
| InChI Key | UTOVMEACOLCUCK-PLNGDYQASA-N |
| Category | Chemical Reagents |
| Supply Scale | gram – kilogram – bulk |
| Documentation | COA, SDS, HPLC, NMR, MS (on request) |
| Custom Synthesis | Available |
| Shipping | Worldwide |

Request Monobutyl maleate (CAS 925-21-3)
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- High-purity grades, COA & SDS included
- Gram to kilogram & bulk quantities
- Custom synthesis & scale-up
- Worldwide compliant shipping
Monobutyl maleate Overview
Monobutyl maleate (CAS 925-21-3) is a high-purity fine chemical and pharmaceutical intermediate supplied by Finetech Industry Limited for scientific research and product development. It has the molecular formula C8H12O4 and a molecular weight of 172.1800. It is offered as a well-defined building block and reference compound for laboratory research and analytical applications.
Finetech Industry Limited manufactures and supplies Monobutyl maleate in high-purity grades, supporting pharmaceutical companies, contract research organizations, academic laboratories and industrial customers. Supply capacities range from gram quantities to kilogram and bulk production, with custom synthesis available for non-catalog analogs and scale-up. The exact purity and specification are stated on the Certificate of Analysis for each batch.
Applications of Monobutyl maleate
Laboratory research
Used as a well-characterized laboratory reagent in research studies and product development, where batch-to-batch consistency matters.
Analytical reference
Suitable as an analytical reference material for method development, calibration and quality control.
Building block
Serves as a building block and intermediate in synthetic and analytical work, with custom quantities available on request.
Supplied as a general research reagent and intermediate for scientific research, analytical, industrial and commercial product-development applications, according to the product grade and the customer's intended use. Please confirm the applicable specification and intended-use requirements when requesting a quote.
Bulk Supply & Packaging
Finetech Industry Limited supplies Monobutyl maleate for research and larger-scale requirements with flexible packaging and scalable manufacturing.
Each shipment includes a COA, SDS, batch traceability and secure protective packaging. Customized packaging and labeling are available on request.
Supply Capabilities
Scale
- Gram scale
- Kilogram scale
- Multi-kg / bulk
- Custom / MT on request
Documentation
- COA
- SDS
- HPLC / GC
- NMR / MS
Manufacturing
- Custom synthesis
- Process development
- Scale-up
- Pilot production
Shipping
- North America
- Europe
- Asia / Middle East
- Oceania
Monobutyl maleate FAQ
What is the CAS number of Monobutyl maleate?
The CAS number of Monobutyl maleate is 925-21-3. Its molecular formula is C8H12O4 and molecular weight is 172.1800.
What purity of Monobutyl maleate does Finetech Industry Limited supply?
Finetech Industry Limited supplies Monobutyl maleate in high-purity grades. The exact purity is stated on the Certificate of Analysis for each batch and can be confirmed before ordering.
Can Finetech Industry Limited supply Monobutyl maleate in bulk?
Yes. Finetech Industry Limited supplies Monobutyl maleate from gram quantities to kilogram and bulk scale, and offers custom synthesis and scale-up.
Do you provide COA and SDS for Monobutyl maleate?
Yes. Every shipment includes a COA and SDS, with HPLC, NMR and MS data available on request.