(S)-(−)-o-Tolyl-CBS-oxazaborolidine solution
(S)-(−)-o-Tolyl-CBS-oxazaborolidine solution (CAS 463941-07-3), molecular formula C24H24BNO, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
- IUPAC
- (S)-(−)-3,3-Diphenyl-1-o-tolyl-tetrahydropyrrolo(1,2-c)(1,3,2)oxazaborole solution

| Molecular weight | 353.26 |
|---|---|
| Empirical formula | C24H24BNO |
| Density | 0.9009 g/mL at 25 °C |
| Concentration | 0.5 M in toluene |
| Application | When protonated with trifluoromethanesulfonimide, chiral oxazaborolidines generate chiral Lewis acids, which have demonstrated great utility in the enantioselective Diels-Alder reaction.1,2 |



Hazard statements
- H225Highly flammable liquid and vapour
- H304May be fatal if swallowed and enters airways
- H315Causes skin irritation
- H336May cause drowsiness or dizziness
- H361D
- H373May cause damage to organs through prolonged exposure
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P281Use personal protective equipment as required
- P301IF SWALLOWED
- P331Do NOT induce vomiting
| Flash point | 4 °C / 39.2 °F |
|---|---|
| Transport (UN / ADR) | UN 1294 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xn |
| Risk statements (R) | 63-11-38-48/20-65-67 |
| Safety statements (S) | 16-36/37-62 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS 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)-(−)-o-Tolyl-CBS-oxazaborolidine solution?
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(S)-(−)-o-Tolyl-CBS-oxazaborolidine solution (CAS 463941-07-3), molecular formula C24H24BNO, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.
What grades of (S)-(−)-o-Tolyl-CBS-oxazaborolidine solution does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (S)-(−)-o-Tolyl-CBS-oxazaborolidine solution in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of (S)-(−)-o-Tolyl-CBS-oxazaborolidine solution?
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(S)-(−)-o-Tolyl-CBS-oxazaborolidine solution has CAS number 463941-07-3 and molecular formula C24H24BNO. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for (S)-(−)-o-Tolyl-CBS-oxazaborolidine solution?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of (S)-(−)-o-Tolyl-CBS-oxazaborolidine solution ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should (S)-(−)-o-Tolyl-CBS-oxazaborolidine solution be stored?
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Store (S)-(−)-o-Tolyl-CBS-oxazaborolidine solution in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is (S)-(−)-o-Tolyl-CBS-oxazaborolidine solution used for?
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(S)-(−)-o-Tolyl-CBS-oxazaborolidine solution is used in chemical synthesis applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for (S)-(−)-o-Tolyl-CBS-oxazaborolidine solution?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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