Isomaltotriose
Isomaltotriose (CAS: 3371-50-4), with the molecular formula C18H32O16 and a molecular weight of 504.44 g/mol, is a trisaccharide composed of three glucose units linked by α-1,6 glycosidic bonds. This carbohydrate is primarily used as a biochemical reagent and in various research applications within carbohydrate chemistry. Its specific structure makes it a valuable tool for studying enzymatic reactions and glycosidic linkages.
- IUPAC
- α-D-Glucosyl-[1→6]-α-D-glucosyl-[1→6]-D-glucose

Biochemical Research
Isomaltotriose serves as a substrate or standard in biochemical studies, particularly those involving enzymes that process oligosaccharides. It is useful for investigating glycosidic bond hydrolysis and synthesis pathways.
Carbohydrate Chemistry
As a well-defined trisaccharide, isomaltotriose is employed in research focused on carbohydrate structure-activity relationships and the development of new analytical techniques for carbohydrate analysis.
Enzymology Studies
It is used to characterise the specificity and kinetics of enzymes, such as glycosidases and glycosyltransferases, that interact with specific oligosaccharide structures.
| Molecular weight | 504.44 |
|---|---|
| Empirical formula | C18H32O16 |
| Assay | ≥98% (TLC) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 Isomaltotriose used for?
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Isomaltotriose is primarily used as a biochemical reagent in research, particularly for studies involving carbohydrate chemistry, enzymology, and glycosidic bond analysis.
What is the CAS number and chemical formula for Isomaltotriose?
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The CAS number for Isomaltotriose is 3371-50-4, and its empirical formula is C18H32O16.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Isomaltotriose with a purity of ≥98% (TLC). We do not represent this product as USP, BP, or EP grade.
How should Isomaltotriose be handled safely?
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Handling requires wearing eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if airborne exposure is a risk. Refer to the Safety Data Sheet for comprehensive guidance.
How is Isomaltotriose packed and shipped?
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Isomaltotriose is carefully packed to ensure stability during transit and is exported globally by Tech Serve Solutions.
How can I request a quote or sample of Isomaltotriose?
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Please contact our sales team through the website or by phone to request a quote or to arrange for a sample of Isomaltotriose.
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