(R)-(+)-Dimethyl-2,2′-dihydroxy-1,1′-binaphthalene-3,3′-dicarboxylate
(R)-(+)-Dimethyl-2,2′-dihydroxy-1,1′-binaphthalene-3,3′-dicarboxylate (CAS: 18531-91-4) is a chiral BINOL derivative with the molecular formula C24H18O6 and a molecular weight of 402.40 g/mol. This compound is a valuable building block and ligand in asymmetric synthesis. It plays a crucial role in the development of stereoselective reactions and chiral catalysis, enabling the synthesis of enantiomerically pure compounds for various advanced chemical applications.
- Synonyms
- 3′-dicarboxylate18531-91-4C24H18O6

Chiral Ligand in Asymmetric Catalysis
This BINOL derivative serves as a highly effective chiral ligand in various metal-catalyzed asymmetric transformations. Its defined stereochemistry facilitates enantioselective induction, leading to the formation of chiral products with high optical purity.
Asymmetric Synthesis Reagent
It is employed as a key reagent in asymmetric synthesis, enabling chemists to control the stereochemical outcome of reactions. This is particularly important in the pharmaceutical and fine chemical industries where enantiomeric purity is critical.
Research and Development
Utilised in academic and industrial research laboratories for exploring new synthetic methodologies and developing novel chiral catalysts. Its structure provides a versatile platform for modification and application in diverse chemical processes.
| Molecular weight | 402.40 |
|---|---|
| Empirical formula | C24H18O6 |
| Assay | 98% |
| Optical activity | [α]20/D +135°, c = 1% in chloroform |
| Melting point | 245-248 °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 (R)-(+)-Dimethyl-2,2′-dihydroxy-1,1′-binaphthalene-3,3′-dicarboxylate used for?
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This compound is primarily used as a chiral ligand and reagent in asymmetric synthesis and catalysis. It helps control the stereochemical outcome of reactions, leading to enantiomerically enriched products.
What are the CAS number and formula for this chemical?
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The CAS number is 18531-91-4, and its molecular formula is C24H18O6.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with a minimum assay of 98%. We do not represent this product as USP, BP, or EP grade.
What are the safety considerations for handling this product?
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This product is classified as a Warning. It can cause skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, should be worn. Ensure adequate ventilation.
How is this chemical typically packed and exported?
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This chemical is typically packed in secure containers suitable for international transport. Tech Serve Solutions is experienced in exporting fine chemicals globally, adhering to all relevant shipping regulations.
How can I request a sample or quote?
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To request a sample or a quote for (R)-(+)-Dimethyl-2,2′-dihydroxy-1,1′-binaphthalene-3,3′-dicarboxylate, please contact our sales team through the website or direct email, providing your requirements and shipping details.
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