(S)-(−)-(3-Chloro-2-hydroxypropyl)trimethylammonium chloride
(S)-(−)-(3-Chloro-2-hydroxypropyl)trimethylammonium chloride (CAS: 101396-91-2) is a chiral building block with the linear formula ClCH₂CH(OH)CH₂N(CH₃)₃Cl and a molecular weight of 188.10. This amino alcohol derivative is a key intermediate in organic synthesis, particularly valuable in asymmetric reactions. Supplied by Tech Serve Solutions with an assay of 99%, it is essential for researchers and manufacturers requiring high-purity chiral compounds for complex molecular construction.

Chiral Synthesis Intermediate
Serves as a crucial building block in the stereoselective synthesis of complex organic molecules, enabling precise control over product chirality.
Asymmetric Reactions
Utilised in asymmetric synthesis methodologies to introduce specific stereocentres, leading to enantiomerically enriched products.
Pharmaceutical Intermediates
Acts as a precursor in the development and manufacturing of active pharmaceutical ingredients (APIs) where specific stereochemistry is critical.
Organic Building Block
Provides a versatile functionalised chiral unit for the construction of diverse organic compounds in research and development settings.
| Molecular weight | 188.10 |
|---|---|
| Linear formula | ClCH2CH(OH)CH2N(CH3)3Cl |
| Assay | 99% |
| Optical activity | [α]25/D −29°, c = 1 in H2O |
| Melting point | 210 °C (dec.)(lit.) |

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) | 26-37/39 |
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)-(−)-(3-Chloro-2-hydroxypropyl)trimethylammonium chloride used for?
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This compound is primarily used as a chiral building block and intermediate in asymmetric synthesis and the creation of complex organic molecules, including pharmaceutical intermediates.
What are the CAS number and formula for this chemical?
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The CAS number is 101396-91-2, and its linear formula is ClCH₂CH(OH)CH₂N(CH₃)₃Cl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with an assay of 99%. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should (S)-(−)-(3-Chloro-2-hydroxypropyl)trimethylammonium chloride be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Avoid breathing dust and ensure good ventilation. This compound is a skin, eye, and respiratory irritant.
Is this chemical suitable for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including this product.
How can I request a sample or quote?
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Please contact our sales team through the website or your designated account manager to request a sample or a quotation for (S)-(−)-(3-Chloro-2-hydroxypropyl)trimethylammonium chloride.
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