(−)-N-Dodecyl-N-methylephedrinium bromide
(−)-N-Dodecyl-N-methylephedrinium bromide (CAS 57155-63-2) is a chiral quaternary ammonium salt with the molecular formula C 6 H 5 CH(OH)CH(CH 3 )N(CH 3 ) 2 [(CH 2 ) 11 CH 3 ]Br and a molecular weight of 428.49. Supplied at 99% assay, it functions as a valuable chiral catalyst and phase transfer reagent in asymmetric synthesis and chemical synthesis, aiding in the creation of enantiomerically pure compounds.
- IUPAC
- (−)-DMEB,(1R,2S)-Dodecyl(2-hydroxy-1-methyl-2-phenylethyl)dimethylammonium bromide
![(−)-N-Dodecyl-N-methylephedrinium bromide (C6H5CH(OH)CH(CH3)N(CH3)2[(CH2)11CH3]Br) — chemical structure, CAS 57155-63-2; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F57155-63-2.png&w=3840&q=75)
Asymmetric Synthesis
Serves as a chiral catalyst or reagent in asymmetric synthesis, facilitating the stereoselective production of chiral molecules. Its structure enables control over enantiomeric outcomes in various reactions.
Chiral Catalysis
Utilised as a chiral catalyst, particularly in reactions requiring enantioselective induction. It is effective in promoting stereospecific transformations critical for pharmaceutical and fine chemical synthesis.
Phase Transfer Catalysis
Functions as a phase transfer catalyst, enabling reactions between reactants in immiscible phases. This is particularly useful for reactions involving ionic species and organic substrates.
Chemical Synthesis Reagent
Employed as a reagent in general chemical synthesis, offering specific chiral properties for developing complex organic molecules. Its unique structure can influence reaction pathways and product stereochemistry.
| Molecular weight | 428.49 |
|---|---|
| Linear formula | C6H5CH(OH)CH(CH3)N(CH3)2[(CH2)11CH3]Br |
| Assay | 99% |
| Optical activity | [α]20/D −12.5°, c = 1 in chloroform |
| Melting point | 80-82 °C(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) | 26-36 |
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 (–)-N-Dodecyl-N-methylephedrinium bromide used for?
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This compound is primarily used as a chiral catalyst and phase transfer reagent in asymmetric synthesis and general chemical synthesis for producing enantiomerically enriched compounds.
What are the CAS number and chemical formula for this product?
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The CAS number is 57155-63-2, and the linear chemical formula is C 6 H 5 CH(OH)CH(CH 3 )N(CH 3 ) 2 [(CH 2 ) 11 CH 3 ]Br.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (–)-N-Dodecyl-N-methylephedrinium bromide at 99% assay. This is a research/technical grade chemical, and TSS does not represent it as USP, BP, or EP grade.
How should (–)-N-Dodecyl-N-methylephedrinium bromide 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 adequate ventilation as it can cause skin irritation, serious eye irritation, and respiratory irritation (H315, H319, H335).
Is this chemical exported by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including (–)-N-Dodecyl-N-methylephedrinium bromide.
How can I request a sample or quote?
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To request a sample or a quote for (–)-N-Dodecyl-N-methylephedrinium bromide, please visit the 'Contact Us' section of our website or contact our sales team directly.
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