(−)-1,4-Bis-O-(4-chlorobenzyl)-L-threitol
(−)-1,4-Bis-O-(4-chlorobenzyl)-L-threitol (CAS 85362-85-2) is a chiral chemical compound with the molecular formula C18H20Cl2O4 and a molecular weight of 371.26 g/mol. It is primarily utilised in asymmetric synthesis and serves as a valuable chiral resolving reagent. This compound is supplied by Tech Serve Solutions with an assay of ≥99.0% (sum of enantiomers, HPLC), ensuring high purity for demanding chemical applications.
- IUPAC
- (S,S)-(−)-1,4-Bis-(4-chlorobenzyloxy)-2,3-butanediol
- Synonyms
- (S,S)-(−)-1,4-Bis-(4-chlorobenzyloxy)-2,3-butanediol

Asymmetric Synthesis
This compound functions as a chiral auxiliary or building block in asymmetric synthesis, enabling the creation of stereochemically defined molecules. Its defined chirality is crucial for controlling the stereochemical outcome of reactions.
Chiral Resolution Reagent
It is employed as a chiral resolving agent for the separation of enantiomers. Its ability to form diastereomeric salts or complexes facilitates the isolation of individual enantiomers from racemic mixtures.
Chemical Synthesis Intermediate
Utilised as an intermediate in multi-step organic synthesis pathways. The molecule's structure offers specific functionalities for further chemical transformations in the development of complex organic compounds.
| Molecular weight | 371.26 |
|---|---|
| Empirical formula | C18H20Cl2O4 |
| Assay | ≥99.0% (sum of enantiomers, HPLC) |
| Optical activity | [α]20/D −6.0±0.5°, c = 3% in chloroform |
| Melting point | 72-74 °C |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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,S)-(−)-1,4-Bis-(4-chlorobenzyloxy)-2,3-butanediol used for?
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(S,S)-(−)-1,4-Bis-(4-chlorobenzyloxy)-2,3-butanediol is used in asymmetric synthesis and as a chiral resolving reagent for separating enantiomers.
What is the CAS number and formula for this compound?
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The CAS number is 85362-85-2, and the empirical formula is C18H20Cl2O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound with an assay of ≥99.0% (sum of enantiomers, HPLC). It is suitable for research and chemical synthesis purposes; TSS does not represent it as USP, BP, EP, or pharmacopoeia grade.
How should (–)-1,4-Bis-O-(4-chlorobenzyl)-L-threitol be handled?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Refer to the Safety Data Sheet for comprehensive safety information.
Is this compound suitable for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including this compound, and can facilitate international orders.
How can I request a quote or sample?
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Please contact our sales team via the website or direct email to request a quotation or a sample of (–)-1,4-Bis-O-(4-chlorobenzyl)-L-threitol.
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