Oseltamivir phosphate CAS 204255-11-8 | High-Purity Supplier & Bulk Manufacturer
| Product Name | Oseltamivir phosphate |
|---|---|
| Synonyms | phosphoric acid, GS 4104 phosphate, Oseltamir Phosphate, Aseltamivir phosphate, oseltamavir phosphate |
| CAS Number | 204255-11-8 |
| Catalog No. | FT-0657789 |
| Molecular Formula | C16H31N2O8P |
| Molecular Weight | 410.4000 |
| IUPAC Name | ethyl (3R,4R,5S)-4-acetamido-5-amino-3-pentan-3-yloxycyclohexene-1-carboxylate;phosphoric acid |
| InChI Key | PGZUMBJQJWIWGJ-ONAKXNSWSA-N |
| Purity / Grade | 99% |
| Category | Pharmaceutical Ingredients |
| Supply Scale | gram – kilogram – bulk |
| Documentation | COA, SDS, HPLC, NMR, MS (on request) |
| Custom Synthesis | Available |
| Shipping | Worldwide |

Request Oseltamivir phosphate (CAS 204255-11-8)
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- High-purity grades, COA & SDS included
- Gram to kilogram & bulk quantities
- Custom synthesis & scale-up
- Worldwide compliant shipping
Oseltamivir phosphate Overview
Oseltamivir phosphate (CAS 204255-11-8) 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 C16H31N2O8P and a molecular weight of 410.4000. It is offered as a well-defined building block and reference compound for laboratory research and analytical applications.
Finetech Industry Limited manufactures and supplies Oseltamivir phosphate 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 Oseltamivir phosphate
Pharmaceutical intermediate
Used as an advanced intermediate and building block in pharmaceutical research and process development, supplied in high-purity grades for consistent performance.
Analytical reference and QC
Applied as an analytical reference material in method development, calibration and quality-control workflows.
Custom synthesis and scale-up
Available as a synthetic building block, with custom synthesis and scale-up offered for non-catalog analogs and larger quantities.
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 Oseltamivir phosphate 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
Oseltamivir phosphate FAQ
What is the CAS number of Oseltamivir phosphate?
The CAS number of Oseltamivir phosphate is 204255-11-8. Its molecular formula is C16H31N2O8P and molecular weight is 410.4000.
What purity of Oseltamivir phosphate does Finetech Industry Limited supply?
Finetech Industry Limited supplies Oseltamivir phosphate 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 Oseltamivir phosphate in bulk?
Yes. Finetech Industry Limited supplies Oseltamivir phosphate from gram quantities to kilogram and bulk scale, and offers custom synthesis and scale-up.
Do you provide COA and SDS for Oseltamivir phosphate?
Yes. Every shipment includes a COA and SDS, with HPLC, NMR and MS data available on request.