D-Xylose (CAS 58-86-6) is a naturally occurring monosaccharide classified as a pentose sugar. It is commonly found in plant polysaccharides such as hemicellulose and is an important intermediate in carbohydrate metabolism and bioenergy research. As a certified reference material (CRM), D-xylose is widely used in analytical chemistry, food science, pharmaceutical research, and quality control to ensure accuracy and reproducibility in testing.
| Parameter | Details |
|---|---|
| Product Code | X-C25002X |
| CAS Number | 58-86-6 |
| Chemical Name | D-Xylose |
| Molecular Formula | C₅H₁₀O₅ |
| Molecular Weight | 150.13 g/mol |
| Purity | ≥ 99% |
| Available Size | 100 mg (custom sizes available) |
| Storage Conditions | Room Temperature, Dry |
| Structural Formula | (Available upon request) |
| Category | Carbohydrate Standard |
D-xylose is widely used in the D-xylose absorption test, a diagnostic tool for evaluating intestinal function and malabsorption syndromes. By administering a known dose of D-xylose and measuring its excretion in urine or concentration in blood, clinicians can assess the ability of the small intestine to absorb monosaccharides. A high-purity D-xylose standard ensures accurate calibration of test methods and reliable patient results.
A certified reference material (CRM) provides guaranteed purity, traceability, and batch-to-batch consistency, which are critical for reproducible results in regulated environments such as pharmaceuticals, clinical laboratories, and food testing. Regular chemical-grade D-xylose may contain impurities or lack documentation, which can compromise analytical reliability.
D-xylose can be analyzed using HPLC, GC, LC-MS, and spectrophotometric methods. It is particularly important in carbohydrate profiling, metabolic flux analysis, and bioenergy research. Using a standard ensures accurate quantification and method validation.
D-xylose standards should be stored at room temperature in a dry environment, protected from humidity and light. Improper storage may lead to degradation or moisture absorption, which can affect purity and analytical performance. Sealed containers with desiccants are recommended for long-term stability.
– Product Name: Sucrose Standard
-CAS Number: 57-50-1
-Product Code: S-C25001Y
-Available Size: 100 mg (custom packaging on request)
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