D-Arabinose [U-13C5] Uniformly Labeled
Uniformly 13C-labeled D-Arabinose (all 5 carbons) at 98+% enrichment for advanced metabolomics and flux analysis by MS/NMR. HTS 2940.00.20.00 for isotopically substituted pure sugar. Gold standard for plant cell wall biosynthesis studies.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If carbon isotope preparations
Bulk stable isotope carbon preparations may classify under Chapter 28.
If biodistribution tracer kit
Complete analytical kits with labeled sugars become lab reagent kits.
If intermediate for labeled vitamin C
Used in synthesis of 13C-vitamin C classifies with vitamin products.
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Import Tips & Compliance
• High-value item; obtain advance ruling for stable isotope classification
• Isotopic purity verified by MS; include raw spectral data with shipment
• Research institution end-use statement prevents defense-related scrutiny
Related Products under HTS 2940.00.20.00
D-Arabinose Powder
D-Arabinose is a chemically pure aldopentose sugar, epimeric at C-2 with D-ribose, supplied as a white crystalline powder for laboratory and research applications. It falls under HTS 2940.00.20.00 as a chemically pure sugar other than sucrose, lactose, maltose, glucose, or fructose. This rare sugar is used in biochemical studies and as a reference standard.
D-Arabinose USP Reference Standard
Pharmaceutical grade D-Arabinose certified as USP reference standard for analytical method validation and quality control in drug manufacturing. Classified under HTS 2940.00.20.00 as chemically pure D-Arabinose meeting pharmacopeia specifications. Used for HPLC calibration and assay standardization.
D-Arabinose 99+% ACS Reagent
ACS reagent grade D-Arabinose with minimum 99% purity for analytical chemistry and organic synthesis applications. Meets American Chemical Society specifications for trace metal analysis and instrumental methods. HTS 2940.00.20.00 classification for chemically pure pentose sugar.
Labeled D-[1-13C]Arabinose
Stable isotope-labeled D-Arabinose with carbon-13 at position 1, used in NMR spectroscopy and metabolic flux analysis. Chemically pure isotopically substituted sugar falls under HTS 2940.00.20.00. Essential for structural elucidation and tracer studies in carbohydrate metabolism.
D-Arabinose Anhydrous Crystals
Anhydrous crystalline D-Arabinose with controlled water content (<0.5%) for moisture-sensitive applications in carbohydrate chemistry. Chemically pure sugar crystals classified under HTS 2940.00.20.00. Used in glycosidation reactions and polysaccharide synthesis.
D-Arabinose Cell Culture Grade
Cell culture tested D-Arabinose, low endotoxin (<1 EU/mg), for mammalian cell growth media and metabolic studies. Chemically pure sugar under HTS 2940.00.20.00 suitable for biological research. Certified pyrogen-free for sensitive cell lines.