Fmoc-Cys(StBu)-OH; (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(tert-butyldisulfanyl)propanoic acid CAS 73724-43-3 | High-Purity Supplier & Bulk Manufacturer
| Product Name | Fmoc-Cys(StBu)-OH; (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(tert-butyldisulfanyl)propanoic acid |
|---|---|
| Synonyms | Fmoc-Cys(S-tBu), Fmoc-S-tert-butylthio-L-cysteine, N-Fmoc-S-tert-butylthiol-L-cysteine, 3-((1,1-Dimethylethyl)dithio)-N-((9H-fluoren-9-ylmethoxy)carbonyl)-L-alanine |
| CAS Number | 73724-43-3 |
| Catalog No. | FT-0698908 |
| Molecular Formula | C22H25NO4S2 |
| Molecular Weight | 431.6000 |
| IUPAC Name | (2R)-3-(tert-butyldisulfanyl)-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid |
| InChI Key | ZDUMTHLUTJOUML-IBGZPJMESA-N |
| Purity / Grade | 98% |
| Category | Amino Acids & Peptide Reagents |
| Supply Scale | gram – kilogram – bulk |
| Documentation | COA, SDS, HPLC, NMR, MS (on request) |
| Custom Synthesis | Available |
| Shipping | Worldwide |

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Fmoc-Cys(StBu)-OH; (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(tert-butyldisulfanyl)propanoic acid Overview
Fmoc-Cys(StBu)-OH; (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(tert-butyldisulfanyl)propanoic acid (CAS 73724-43-3) 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 C22H25NO4S2 and a molecular weight of 431.6000. It is offered as a well-defined building block and reference compound for laboratory research and analytical applications.
Finetech Industry Limited manufactures and supplies Fmoc-Cys(StBu)-OH; (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(tert-butyldisulfanyl)propanoic acid 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 Fmoc-Cys(StBu)-OH; (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(tert-butyldisulfanyl)propanoic acid
Peptide synthesis reagent
Used as a building block and reagent in peptide and amino-acid chemistry, supplied in high-purity grades for reproducible coupling and deprotection steps.
Analytical reference and QC
Applied as a reference material for amino-acid analysis, method development and quality control.
Custom synthesis and larger scale
Available in research quantities through to bulk, with custom synthesis offered for protected derivatives and non-catalog analogs.
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 Fmoc-Cys(StBu)-OH; (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(tert-butyldisulfanyl)propanoic acid 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
Fmoc-Cys(StBu)-OH; (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(tert-butyldisulfanyl)propanoic acid FAQ
What is the CAS number of Fmoc-Cys(StBu)-OH; (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(tert-butyldisulfanyl)propanoic acid?
The CAS number of Fmoc-Cys(StBu)-OH; (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(tert-butyldisulfanyl)propanoic acid is 73724-43-3. Its molecular formula is C22H25NO4S2 and molecular weight is 431.6000.
What purity of Fmoc-Cys(StBu)-OH; (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(tert-butyldisulfanyl)propanoic acid does Finetech Industry Limited supply?
Finetech Industry Limited supplies Fmoc-Cys(StBu)-OH; (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(tert-butyldisulfanyl)propanoic acid 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 Fmoc-Cys(StBu)-OH; (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(tert-butyldisulfanyl)propanoic acid in bulk?
Yes. Finetech Industry Limited supplies Fmoc-Cys(StBu)-OH; (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(tert-butyldisulfanyl)propanoic acid from gram quantities to kilogram and bulk scale, and offers custom synthesis and scale-up.
Do you provide COA and SDS for Fmoc-Cys(StBu)-OH; (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(tert-butyldisulfanyl)propanoic acid?
Yes. Every shipment includes a COA and SDS, with HPLC, NMR and MS data available on request.