3-Aminophthalhydrazide CAS 521-31-3 | High-Purity Supplier & Bulk Manufacturer
| Product Name | 3-Aminophthalhydrazide |
|---|---|
| Synonyms | 1, 5-amino-2,3-dihydro-, 3-Aminophthalylhydrazide, 3-Aminophthalic hydrazide, 3-Aminophthaloylhydrazine, 5-amino-1,4-phthalazinediol |
| CAS Number | 521-31-3 |
| Catalog No. | FT-0615056 |
| Molecular Formula | C8H7N3O2 |
| Molecular Weight | 177.1600 |
| IUPAC Name | 5-amino-2,3-dihydrophthalazine-1,4-dione |
| InChI Key | HWYHZTIRURJOHG-UHFFFAOYSA-N |
| Purity / Grade | 99% |
| Category | Fine Chemical Intermediates |
| Supply Scale | gram – kilogram – bulk |
| Documentation | COA, SDS, HPLC, NMR, MS (on request) |
| Custom Synthesis | Available |
| Shipping | Worldwide |

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- Gram to kilogram & bulk quantities
- Custom synthesis & scale-up
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3-Aminophthalhydrazide Overview
3-Aminophthalhydrazide (CAS 521-31-3) 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 C8H7N3O2 and a molecular weight of 177.1600. It is offered as a well-defined building block and reference compound for laboratory research and analytical applications.
Finetech Industry Limited manufactures and supplies 3-Aminophthalhydrazide 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 3-Aminophthalhydrazide
Fine chemical building block
Used as a high-purity building block in organic synthesis and product development across research and industrial settings.
Analytical and QC applications
Suitable as a reference material for analytical method development, calibration and quality control.
Custom synthesis
Offered as an intermediate for custom synthesis, route development and scale-up.
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 3-Aminophthalhydrazide 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
3-Aminophthalhydrazide FAQ
What is the CAS number of 3-Aminophthalhydrazide?
The CAS number of 3-Aminophthalhydrazide is 521-31-3. Its molecular formula is C8H7N3O2 and molecular weight is 177.1600.
What purity of 3-Aminophthalhydrazide does Finetech Industry Limited supply?
Finetech Industry Limited supplies 3-Aminophthalhydrazide 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 3-Aminophthalhydrazide in bulk?
Yes. Finetech Industry Limited supplies 3-Aminophthalhydrazide from gram quantities to kilogram and bulk scale, and offers custom synthesis and scale-up.
Do you provide COA and SDS for 3-Aminophthalhydrazide?
Yes. Every shipment includes a COA and SDS, with HPLC, NMR and MS data available on request.