(S)-4-Chloro-α-methylbenzylamine
(S)-4-Chloro-α-methylbenzylamine (CAS 4187-56-8, C8H10ClN) is a chiral amine with a molecular weight of 155.62 g/mol. This optically active compound serves as a valuable building block in asymmetric synthesis and organic chemistry. Its specific stereochemistry makes it crucial for the stereoselective synthesis of complex molecules, particularly in the pharmaceutical and fine chemical industries. Tech Serve Solutions supplies this reagent for research and development purposes.
- IUPAC
- (S)-1-(4-Chlorophenyl)ethylamine
- Synonyms
- (S)-1-(4-Chlorophenyl)ethylamine

Chiral Building Block
Utilised in the synthesis of enantiomerically pure compounds. Its defined stereocenter is essential for creating complex chiral molecules with specific biological activities.
Asymmetric Synthesis
A key intermediate in stereoselective chemical transformations. It enables chemists to control the formation of new chiral centers in target molecules.
Pharmaceutical Intermediate
Employed in the development pathways of active pharmaceutical ingredients (APIs). Its structure is often incorporated into drug candidates requiring specific stereochemistry.
Organic Synthesis Reagent
A versatile reagent for introducing chiral amine functionalities in various organic synthesis projects. Useful for constructing complex molecular architectures.
| Molecular weight | 155.62 |
|---|---|
| Empirical formula | C8H10ClN |
| Assay | ≥95.0% |
| Density | 1.110 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.543(lit.) |
| Optical activity | [α]20/D −26±2°, c = 5% in ethanol |



Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H318Causes serious eye damage
- H330Fatal if inhaled
- H335May cause respiratory irritation
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P284Wear respiratory protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Flash point | 115 °C / 239 °F |
|---|---|
| Transport (UN / ADR) | UN 2810 6.1 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 22-23-37-38-41-43-51/53 |
| Safety statements (S) | 26-36/37/39-45-61 |
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)-4-Chloro-α-methylbenzylamine used for?
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It is primarily used as a chiral building block in asymmetric synthesis and as an intermediate in the development of pharmaceuticals and fine chemicals.
What is the CAS number and chemical formula for (S)-4-Chloro-α-methylbenzylamine?
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The CAS number is 4187-56-8 and the empirical formula is C8H10ClN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (S)-4-Chloro-α-methylbenzylamine with an assay of ≥95.0%. We do not represent this product as USP, BP, or EP grade.
What are the safety hazards associated with this chemical?
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This compound is dangerous. It is harmful if swallowed (H302), causes skin irritation (H315), may cause an allergic skin reaction (H317), causes serious eye damage (H318), is fatal if inhaled (H330), may cause respiratory irritation (H335), and is toxic to aquatic life with long-lasting effects (H411). Handle with extreme caution.
How is (S)-4-Chloro-α-methylbenzylamine packed and shipped?
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(S)-4-Chloro-α-methylbenzylamine is shipped as a hazardous material, UN 2810, Class 6.1, Packing Group III. Specific packaging will be used to ensure safe transport and compliance with international shipping regulations. TSS exports globally.
How can I request a sample or quote for (S)-4-Chloro-α-methylbenzylamine?
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Please contact our sales team via the website or direct email to request a sample or obtain a quotation for (S)-4-Chloro-α-methylbenzylamine.
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