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FAM phosphoramidite, 5-isomer

FAM（螢光素） Oligonucleotide synthesis Phosphoramidites

貨號	數量	價格	交貨時間
2639-500mg / 置於8mL帶隔墊小瓶的易溶凍幹態	500 mg	–	現貨
2639-1g / 置於20mL帶隔墊小瓶的易溶凍幹態	1 g	$190 $147	現貨
2639-5g / 置於30mL帶隔墊小瓶	5 g	$740 $629	現貨
2639-10g / 置於30mL帶隔墊小瓶	10 g	$1290 $970	現貨
2639-50g	50 g	請查詢	21 天
2639-100g	100 g	請查詢	21 天

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Standard fluorescein (FAM) phosphoramidite for 5'-terminal oligonucleotide labeling, high isomeric purity single isomer. This highly purified amidite reagent ensures excellent coupling results with various synthesizers.

Samples and special offers are available for oligo manufacturers. Contact us for bulk supplies of this reagent.

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DusQ® 1 phosphoramidite

A black quencher dye phosphoramidite for the synthesis of oligonucleotide probes labeled with DusQ® 1 quenchers at 5′-terminal. Useful for HEX, JOE, ROX, Cyanine3.

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抗壞血酸 (Ascorbic acid)

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General properties

Appearance:	off white solid
Molecular weight:	843.94
CAS number:	147566-42-5
Molecular formula:	C₄₆H₅₈N₃O₁₀P
Solubility:	Good solubility in acetonitrile and DCM
Quality control:	NMR ¹H and ³¹P, HPLC-MS (95+%), isomeric purity > 97%
Storage conditions:	Storage: 12 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate.
MSDS:	下載
	產品規格

Spectral properties

Excitation/absorption maximum, nm:	492
ε, L⋅mol⁻¹⋅cm⁻¹:	72000
Emission maximum, nm:	517
Fluorescence quantum yield:	0.93
CF₂₆₀:	0.22
CF₂₈₀:	0.17

Oligo synthesis details

Diluent:	acetonitrile
Coupling conditions:	coupling time 10 min
Cleavage conditions:	ammonia, 2 h at room temperature
Deprotection conditions:	identical to protected nucleobases; when AMA is used, deblock with ammonia alone for 30 min, then add methylamine

產品引用

Zharkov, T. D.; Markov, O. V.; Zhukov, S. A.; Khodyreva, S. N.; Kupryushkin, M. S. Influence of Combinations of Lipophilic and Phosphate Backbone Modifications on Cellular Uptake of Modified Oligonucleotides. Molecules, 2024, 29(2), 452. doi: 10.3390/molecules29020452
Bauer, I.; Ilina, E.; Zharkov, T.; Grigorieva, E.; Chinak, O.; Kupryushkin, M.; Golyshev, V.; Mitin, D.; Chubarov, A.; Khodyreva, S.; Dmitrienko, E. Self-Penetrating Oligonucleotide Derivatives: Features of Self-Assembly and Interactions with Serum and Intracellular Proteins. Pharmaceutics, 2023, 15(12), 2779. doi: 10.3390/pharmaceutics15122779
Petrunina, N.A.; Lebedev, V.V.; Kirillova, Y.G.; Aralov, A..V.; Varizhuk, A.M.; Sardushkin, M.V. DNA Intercalated Motifs with Non-Nucleoside Inserts. Russian Journal of Bioorganic Chemistry, 2021, 47(6), 1341–1344. doi: 10.1134/S1068162021060212

This Product is offered and sold for research purposes only. It has not been tested for safety and efficacy in food, drug, medical device, cosmetic, commercial or any other use. Supply does not express or imply authorization to use for any other purpose, including, without limitation, in vitro diagnostic purposes, in the manufacture of food or pharmaceutical products, in medical devices or in cosmetic products.