L-Tryptophan Standard | CAS 73-22-3 | High-Purity Reference Material

  • Product Code: T-A25003X
  • Chemical Name: L-Tryptophan
  • Category: Amino Acid Standard
  • CAS Number: 73-22-3
  • Molecular Formula: C₁₁H₁₂N₂O₂
  • Molecular Weight: 204.23 g/mol
  • Purity: ≥ 95%
  • Available Package Sizes: 100 mg (other sizes on request)
  • Storage Conditions: Room Temperature
  • Special Requirements: Light Sensitive

DETAILS

Product Description

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.

D-Xylose Standard CAS 58-86-6 for sale by uHPLCs

Features & Benefits

  • ✅ High-purity D-Xylose standard (≥ 99%)
  • ✅ Traceable batch documentation with COA
  • ✅ Supplied with SDS for safety compliance
  • ✅ Stable under room temperature and dry conditions
  • ✅ Flexible packaging sizes available upon request

Applications

  • Food & Nutrition Analysis: Determination of monosaccharide content in food and dietary supplements.
  • Clinical Diagnostics: Utilized in the D-xylose absorption test for evaluating intestinal function.
  • Pharmaceutical Research: Carbohydrate metabolism studies and excipient quality control.
  • Bioenergy & Biomass Research: Analysis of plant-derived hemicellulose and renewable energy feedstocks.

Technical Information

ParameterDetails
Product CodeX-C25002X
CAS Number58-86-6
Chemical NameD-Xylose
Molecular FormulaC₅H₁₀O₅
Molecular Weight150.13 g/mol
Purity≥ 99%
Available Size100 mg (custom sizes available)
Storage ConditionsRoom Temperature, Dry
Structural Formula(Available upon request)
CategoryCarbohydrate Standard

Compliance & Documentation

  • Provided with Certificate of Analysis (COA)
  • Supplied with Safety Data Sheet (SDS)
  • Manufactured under ISO/IEC 17025 & GMP-compliant procedures
  • Classified as non-hazardous for international shipping

Frequently Asked Questions (FAQ)

How is D-xylose standard used in clinical diagnostics?

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.

Why choose a certified reference material instead of regular D-xylose?

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.

What analytical techniques are compatible with D-xylose standards?

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.

How should D-xylose standards be stored for maximum stability?

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.

Ordering Information

– 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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