1,2:4,5-Bis-O-(isopropylidene)-β-L-erythro-2,3-hexodiulo-2,6-pyranose
1,2:4,5-Bis-O-(isopropylidene)-β-L-erythro-2,3-hexodiulo-2,6-pyranose (CAS 198965-05-8), molecular formula C12H18O6, 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
- Shi epoxidation catalyst enantiomer
- Synonyms
- 3-hexodiulo-26-pyranose198965-05-8

| Molecular weight | 258.27 |
|---|---|
| Empirical formula | C12H18O6 |
| Optical activity | [α]22/D +111.0°, c = 0.5 in chloroform |
| Application | Reactant for:• Diastereoselective synthesis of a-tocopherol via Shi epoxidation1• Synthesis of benzimidazole-based analogs of epothilone A with anticancer activity2Catalyst for:• Preparation of microtubule-stabilizing and antitumor active analogs of epothilone3• Synthesis of (+)-aurilol via regio- and stereocontrolled A-D ether ring formations4 |
| Melting point | 98-104 °C |

Hazard statements
- H302Harmful if swallowed
| Water hazard class (WGK, DE) | 1 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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 1,2:4,5-Bis-O-(isopropylidene)-β-L-erythro-2,3-hexodiulo-2,6-pyranose?
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1,2:4,5-Bis-O-(isopropylidene)-β-L-erythro-2,3-hexodiulo-2,6-pyranose (CAS 198965-05-8), molecular formula C12H18O6, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.
What grades of 1,2:4,5-Bis-O-(isopropylidene)-β-L-erythro-2,3-hexodiulo-2,6-pyranose does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,2:4,5-Bis-O-(isopropylidene)-β-L-erythro-2,3-hexodiulo-2,6-pyranose 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 1,2:4,5-Bis-O-(isopropylidene)-β-L-erythro-2,3-hexodiulo-2,6-pyranose?
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1,2:4,5-Bis-O-(isopropylidene)-β-L-erythro-2,3-hexodiulo-2,6-pyranose has CAS number 198965-05-8 and molecular formula C12H18O6. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for 1,2:4,5-Bis-O-(isopropylidene)-β-L-erythro-2,3-hexodiulo-2,6-pyranose?
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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 1,2:4,5-Bis-O-(isopropylidene)-β-L-erythro-2,3-hexodiulo-2,6-pyranose 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 1,2:4,5-Bis-O-(isopropylidene)-β-L-erythro-2,3-hexodiulo-2,6-pyranose be stored?
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Store 1,2:4,5-Bis-O-(isopropylidene)-β-L-erythro-2,3-hexodiulo-2,6-pyranose 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 1,2:4,5-Bis-O-(isopropylidene)-β-L-erythro-2,3-hexodiulo-2,6-pyranose used for?
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1,2:4,5-Bis-O-(isopropylidene)-β-L-erythro-2,3-hexodiulo-2,6-pyranose 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 1,2:4,5-Bis-O-(isopropylidene)-β-L-erythro-2,3-hexodiulo-2,6-pyranose?
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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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