In polyol chemistry, the molecular formula tells only part of the story. The spatial arrangement of hydroxyl-bearing stereocenters can influence how a sugar alcohol behaves in an enzyme system, how it functions as a synthetic intermediate, and how it is recognized by a stereochemical analytical method. Chiral sugar alcohols therefore occupy a useful space between carbohydrate chemistry and stereoselective synthesis: structurally compact, highly functionalized molecules whose configuration needs to be specified with precision.
Eata Suganol supports customers looking for stereochemically defined alditols for method development, biochemical studies, carbohydrate synthesis, route scouting, and specialty chemical research. Selection can be organized by carbon-chain length, D/L configuration, stereochemical descriptor, CAS number, molecular formula, or target analytical profile, making it easier to match the material to a specific experiment or process.
Configuration Is the Product
For a chiral polyol, identity is not just a name on a label. Two compounds may share the same molecular formula and molecular weight while differing in three-dimensional configuration. D-threitol and L-threitol, for example, are enantiomeric butanetetrols with the same molecular weight (122.12) but opposite specific-rotation signs under the same reported measurement conditions. D-arabitol and L-arabitol likewise share the formula C5H12O5 and molecular weight 152.15 while representing different stereochemical forms.
That distinction matters whenever a project depends on enzyme recognition, stereospecific derivatization, asymmetric route design, reference comparison, or optical characterization. The exact isomer should be treated as a primary purchasing specification rather than an afterthought.
- Exact compound name and accepted synonym, including D/L notation when applicable
- CAS Registry Number and molecular formula
- Absolute or relative stereochemical descriptor when known
- Assay or chromatographic purity target
- Specific rotation or other stereochemical identity criterion, where informative
- Moisture, residual-solvent, physical-form, and packaging requirements relevant to the project
Figure 1. A stereochemistry-inspired polyol framework emphasizing the dense hydroxyl functionality of chiral sugar alcohols.
Representative Chiral Sugar Alcohols
| Compound |
CAS RN |
Formula / MW |
Related Names |
| D-(+)-Arabitol |
488-82-4 |
C5H12O5 / 152.15 |
D-Arabinitol; D-arabino-pentitol; D-lyxitol; arabitol dehydrogenase substrate |
| L-(-)-Arabitol |
7643-75-6 |
C5H12O5 / 152.15 |
L-Arabinitol; rare chiral pentitol; L-arabitol dehydrogenase studies |
| D-Threitol |
2418-52-2 |
C4H10O4 / 122.12 |
(2R,3R)-1,2,3,4-butanetetrol; chiral tetritol; stereochemical building block |
| L-Threitol |
2319-57-5 |
C4H10O4 / 122.12 |
(2S,3S)-1,2,3,4-butanetetrol; chiral tetritol; enantiomeric building block |
| D-Mannitol |
69-65-8 |
C6H14O6 / 182.17 |
D-manno-hexitol; chiral hexitol; carbohydrate and polyol research |
| L-Mannitol |
643-01-6 |
C6H14O6 / 182.17 |
L-manno-hexitol; rare mannitol enantiomer; stereochemical research |
| D-Sorbitol (D-Glucitol) |
50-70-4 |
C6H14O6 / 182.17 |
D-Glucitol; chiral hexitol; analytical, biochemical, and synthetic polyol work |
Figure 2. Mirror-related molecular architectures illustrate why D/L identity must be defined explicitly when sourcing chiral polyols.
Where Chiral Polyols Add Value
Stereoselective and Carbohydrate Synthesis
Chiral sugar alcohols combine a pre-organized stereochemical backbone with several hydroxyl groups that can be protected, activated, oxidized, esterified, etherified, or selectively transformed. This makes compact alditols such as D- and L-threitol useful starting points for stereochemical route development and for preparing protected polyol intermediates. Related search terms include protected threitol derivatives, chiral diol/polyol building blocks, carbohydrate intermediates, and asymmetric synthesis polyols.
Enzyme and Metabolic-Pathway Studies
Arabitol isomers are used in biochemical research involving polyol dehydrogenases and related enzyme systems. Supplier literature for D-arabitol and L-arabitol specifically describes their use in enzyme identification or characterization, making stereochemical identity central to experimental design. For customers working with enzyme substrates, pathway screening, or biotransformation, naming the required isomer is essential.
Analytical Method Development
Chiral polyols can be challenging analytical targets because they are highly polar and may have closely related stereoisomers. Depending on the compound and method, useful characterization approaches can include HPLC or GC, derivatization-based analysis, NMR, mass spectrometry, water determination, and specific rotation. A strong material specification therefore connects chemical identity with the analytical method intended to verify it.
Specialty Intermediate and Materials Research
The high hydroxyl density of sugar alcohols also makes them versatile platforms for functional derivatization. In specialty chemical and materials research, chiral polyols can be investigated as multifunctional intermediates for ester, ether, acetal, or other polyol-derived structures where the original stereochemical framework is intentionally retained or transformed.
Figure 3. Crystalline polyol raw material visualized as a high-purity, well-defined starting point for stereochemical research and synthesis.
Specification Strategy: More Than Assay
A high assay value alone does not fully describe a chiral sugar alcohol. For stereochemistry-sensitive work, several quality attributes may need to be considered together. Eata Suganol can align specification discussions to the compound and intended use rather than forcing every material into the same generic template.
| Specification Area |
What to Define |
| Identity & stereochemistry |
Exact name, CAS RN, D/L or R/S descriptor, and structural identity where applicable |
| Assay / purity profile |
HPLC, GC, or another method suited to the target compound and impurity profile |
| Optical activity |
Specific rotation or related stereochemical check when it is informative for the material |
| Water content |
Karl Fischer, loss on drying, or another agreed approach depending on the material |
| Residual solvents |
Project-specific solvent profile and limits when synthesis or purification history makes this relevant |
| Physical properties |
Appearance, physical form, solubility behavior, and melting range where useful |
| Structural confirmation |
NMR, MS, or supporting analytical characterization when the project calls for deeper confirmation |
Figure 4. Analytical separation concept showing how closely related stereochemical forms may require deliberate method design and verification.
Related Chiral Polyol Keywords
| optically active sugar alcohols |
enantiopure polyols |
| stereodefined alditols |
rare chiral sugar alcohols |
| D-arabitol / D-arabinitol / D-lyxitol |
L-arabitol / L-arabinitol |
| D-threitol / L-threitol |
D-mannitol / L-mannitol |
| D-sorbitol / D-glucitol |
chiral tetritols, pentitols, and hexitols |
| polyol chiral building blocks |
carbohydrate synthesis intermediates |
| sugar alcohol analytical standards |
protected threitol intermediates |
| polyol dehydrogenase substrates |
custom chiral polyol synthesis |
From Standard Targets to Custom Structures
A productive inquiry starts with structure, not simply a broad category name. Share the exact isomer, CAS RN when available, desired purity, stereochemical requirement, preferred analytical method, moisture or solvent limits, and approximate quantity. That information helps distinguish a straightforward supply request from a project that may benefit from route development or additional characterization.
When an off-the-shelf material does not match the project, Eata Suganol can evaluate customization for nonstandard stereoisomers, derivative design, tailored analytical criteria, and project-specific quantity or packaging requirements. Custom work is assessed against the target structure and technical feasibility so that the proposed material is aligned with the chemistry you actually need.
Figure 5. Custom synthesis and purification concept for projects requiring nonstandard chiral polyols, derivatives, or tailored specifications.
Why Work with Eata Suganol?
- Stereochemistry-led product identification, with attention to isomer, synonym, CAS number, and structural descriptor.
- A sugar-alcohol-focused product platform that makes it easier to discuss common and less-common alditol targets in the same technical language.
- Specification-driven communication covering purity, optical identity, moisture, residual solvents, physical form, and analytical expectations as relevant to the project.
- Customization options for unusual chiral polyols, stereoisomers, and derivative requirements when standard materials are not sufficient.
- Flexible project discussions for research, process development, analytical work, and specialty chemical applications without a one-size-fits-all product description.
Need a hard-to-source chiral sugar alcohol?
Send Eata Suganol the target structure, CAS RN, stereochemical form, desired specification, and quantity range. We can evaluate an appropriate standard-supply or customization path for your project.
Frequently Asked Questions
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What is a chiral sugar alcohol?
A chiral sugar alcohol is a polyhydroxylated alditol whose three-dimensional arrangement contains stereochemical information. The exact configuration can matter in synthesis, enzyme studies, and analytical comparison.
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Why should the D/L form be stated in an inquiry?
D/L forms can represent different stereochemical materials even when molecular formula and molecular weight are identical. Including the exact designation helps prevent ambiguity between enantiomeric or otherwise stereochemically distinct polyols.
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How can D-threitol and L-threitol be distinguished?
They have the same formula and molecular weight but opposite stereochemical configurations. Commercial reference data also report opposite signs of specific rotation under the same solvent and concentration conditions.
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Can Eata Suganol support custom chiral sugar alcohol requirements?
Yes. Customization can be discussed for uncommon stereoisomers, derivatives, target purity profiles, analytical expectations, and project-specific quantity or packaging needs, subject to technical feasibility.
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