(S)-2-Azido-4-(methylthio)butanoic acid cyclohexylammonium salt
(S)-2-Azido-4-(methylthio)butanoic acid cyclohexylammonium salt (CAS: 1217445-93-6) is a chiral organic building block with the molecular formula C5H9N3O2S · C6H13N. This compound serves as a valuable intermediate in chemical synthesis, particularly in asymmetric synthesis and the development of novel chemical entities. It is widely used in research laboratories for creating complex molecules and exploring new reaction pathways.
- IUPAC
- (S)-2-Azido-4-(methylmercapto)butyric acid cyclohexylammonium salt,L-Azidomethionin cyclohexylammonium salt,N3-Met-OH CHA salt
- Synonyms
- (S)-2-Azido-4-(methylmercapto)butyric acid cyclohexylammonium saltL-Azidomethionin cyclohexylammonium saltN3-Met-OH CHA salt

Asymmetric Synthesis
This chiral azide derivative is a key component in stereoselective synthesis, enabling the construction of enantiomerically pure compounds essential for pharmaceuticals and fine chemicals.
Chemical Biology
Its unique structure allows for its incorporation into biomolecules or as a probe in chemical biology studies, facilitating research into biological processes and drug discovery.
Organic Synthesis Intermediate
As a versatile building block, it can be transformed into various functional groups, making it a useful intermediate in multi-step organic syntheses.
Conjugation Chemistry
The azide functionality is ideal for click chemistry reactions, enabling efficient conjugation with alkynes for the synthesis of complex molecular architectures and bioconjugates.
| Molecular weight | 274.38 |
|---|---|
| Empirical formula | C5H9N3O2S · C6H13N |
| Assay | ≥98% (TLC) |
| Optical activity | [α]/D -115.0±3.0°, c = 1 in methanol |
| Storage temperature | 2-8°C |
| Composition | carbon, 47.6-48.6%nitrogen, 20.0-20.8% |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is (S)-2-Azido-4-(methylthio)butanoic acid cyclohexylammonium salt used for?
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This compound is primarily used as a chiral building block in asymmetric synthesis, chemical biology research, organic synthesis, and conjugation chemistry due to its azide and thioether functionalities.
What are the CAS number and molecular formula?
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The CAS number is 1217445-93-6, and the molecular formula is C5H9N3O2S · C6H13N.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with an assay of ≥98% (TLC). TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should this chemical be handled safely?
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This compound is classified as a Warning, with hazards including skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). It requires the use of a dust mask (type N95 US), eyeshields, and gloves. Ensure good ventilation when handling.
Is this chemical suitable for pharmaceutical manufacturing?
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The supplied grade is ≥98% (TLC) and is intended for research and chemical synthesis purposes. Tech Serve Solutions does not currently certify it as USP, BP, EP, or any other pharmacopoeia grade.
How is this product packed, shipped, and exported?
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Tech Serve Solutions, a global supplier and exporter, ensures appropriate packaging for safe transport and handles international shipments of fine chemicals.
How can I request a sample or quote?
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Please contact the Tech Serve Solutions sales team via our website or direct inquiry channels to request a sample or a formal quotation for this product.
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