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Ombuoside - ≥99% , CAS No.20188-85-6
AVAILABLE TO ORDER
GRADE & PURITY ≥99%
Storage
Store at 2-8°C,Protected from light
Shipped In
Wet ice
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Why this grade
≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Storage & shipping
Store at 2-8°C,Protected from light Ships Wet ice Check lot-specific COA for exact specifications.
Quality documents
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Literature proof
Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Specifications
Specifications & Purity
≥99%
Storage
Store at 2-8°C,Protected from light
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Action Type
INHIBITOR
Purity
≥99%
Names and Identifiers
| Molecular Weight | 638.57 |
|---|
Documentation
📋 Safety Data Sheet (SDS)
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →✅ Certificate of Analysis (COA)
Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →🔬 Specification Sheet
Full quality attributes and acceptance criteria for this grade.
View spec sheet →Advanced Data
Certificates（CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:
Chemical and Physical Properties
| Molecular Weight | 638.600 g/mol |
|---|---|
| XLogP3 | -0.600 |
| Hydrogen Bond Donor Count | 8 |
| Hydrogen Bond Acceptor Count | 16 |
| Rotatable Bond Count | 8 |
| Exact Mass | 638.185 Da |
| Monoisotopic Mass | 638.185 Da |
| Topological Polar Surface Area | 244.000 Ų |
| Heavy Atom Count | 45 |
| Formal Charge | 0 |
| Complexity | 1060.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 10 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
Solution Calculators
Reviews
Customer Reviews
Frequently Asked Questions
What is the purity of this product?
This product is supplied at ≥99% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.
How should this product be stored?
Store at 2–8 °C, protected from light. The material is light-sensitive — keep it in its original opaque or amber container.
How is this product shipped?
This product ships chilled on wet ice. Unpack on arrival and transfer it to the storage condition stated above.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 20188-85-6, the molecular formula is C29H34O16, and the molecular weight is 638.57 g/mol.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.
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