Alexa Fluor 350
- CAS No.
- 200554-19-4
- Chemical Name:
- Alexa Fluor 350
- Synonyms
- AF 350;BF 350, SE;Alexa Fluor 350;AF350 NHS Ester;BP Fluor 350 NHS Ester;LumiDye AF350 NHS Ester;Alexa Fluor 350 NHS ester;350 NHS Ester(Succinimidyl Ester);Aladdin? 350 NHS Ester(Succinimidyl Ester);Adenosine 5′-(tetrahydrogen triphosphate), 3′-deoxy-, trisodium salt
- CBNumber:
- CB01401053
- Molecular Formula:
- C16H14N2O9S
- Molecular Weight:
- 410.35
- MDL Number:
- MOL File:
- 200554-19-4.mol
- MSDS File:
- SDS
| Density | 1.74±0.1 g/cm3(Predicted) |
|---|---|
| solubility | Soluble in water, dimethyl sulfoxide, methanol |
| pka | 0.46±0.20 Most Basic Temperature: 25°C |
| color | Pale yellow precipitate2 or yellow/ orange solid |
| Appearance | Gray yellow solid |
| ex/em | 346/445 nm |
| ε(extinction coefficient) | 19,000 |
| Φ(quantum yield) | 0.73 |
| λmax | 346nm (Buffer pH 7); 353nm (MeOH) |
| Major Application | Poly(vinyl alcohol)coated microfluidic devices; selfassembled monolayers; silica particles/beads |
| Biological Applications | Analyzing peptides; detecting mutations; detecting/identifying nucleic acids; detecting/isolating/purifying proteins; investigating location of phosphatidylinositol,bisphosphate (PI(,)P) in cell membranes; colloidal diagnostic devices; multiplex genetic analysis; as nucleic acid hybridization probe; useful for synthesizing nucleic acid,, peptides, |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H302-H315-H319-H335 |
| Precautionary statements | P280-P305+P351+P338 |
Alexa Fluor 350 price
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| ChemScene | CS-1237643 | BP Fluor 350 NHS ester | 200554-19-4 | 1mg | $301 | 2026-06-04 | Buy |
| ChemScene | CS-1237643 | BP Fluor 350 NHS ester | 200554-19-4 | 5mg | $664 | 2026-06-04 | Buy |
| ChemScene | CS-1237643 | BP Fluor 350 NHS ester | 200554-19-4 | 10mg | $1064 | 2026-06-04 | Buy |
| aablocks | AA01JN3E | 7-Amino-3-(2-((2,5-dioxopyrrolidin-1-yl)oxy)-2-oxoethyl)-4-methyl-2-oxo-2H-chromene-6-sulfonic acid ≥90%(HPLC) | 200554-19-4 | 1mg | $320 | 2026-05-30 | Buy |
| aablocks | AA01JN3E | 7-Amino-3-(2-((2,5-dioxopyrrolidin-1-yl)oxy)-2-oxoethyl)-4-methyl-2-oxo-2H-chromene-6-sulfonic acid ≥90%(HPLC) | 200554-19-4 | 5mg | $940 | 2026-05-30 | Buy |
Alexa Fluor 350 Chemical Properties, Uses, Production
Chemical Properties
Appearance: Grayish yellow solid
ex/em: 346/445 nm
Extinction coefficient (ε): 19,000
Quantum yield (Φ): 0.73
Uses
BP Fluor 350 NHS ester is an amine reactive, water soluble, blue emitting dye used to specifically and efficiently modify primary amines at pH 7-9 to form stable covalent amide bonds[1].
Definition
ChEBI: Alexa Fluor 350 is a chromenone, a pyrrolidinone and an organosulfonic acid. It has a role as a fluorochrome.
References
[1] Khoury JT, et al. Pulsed fluorescence measurements of trapped molecular ions with zero background detection. J Am Soc Mass Spectrom. 2002 Jun;13(6):696-708. DOI:10.1016/S1044-0305(02)00364-1
Alexa Fluor 350 Preparation Products And Raw materials
Raw materials
Preparation Products
Alexa Fluor 350 Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Shanghai Annengjian Biomedical Technology Co., LTD | 021-68781987 13818305065 | sales@energybiopharma.com | China | 788 | 58 |
| Shanghai YuanYe Biotechnology Co., Ltd. | 15026964105 | 2881489226@qq.com | China | 89667 | 60 |
| Shenzhen Regent Biochemical Technology Co., Ltd. | 0755-85201366 18938635012 | sales@regentsciences.com | China | 9381 | 58 |
| Henan Alfa Chemical Co., Ltd | +8618339805032 | sale03@alfachem.cn | China | 9872 | 58 |
| Henan Weitesi Chemical Technology Co. LTD | 0371-55135753 18003832934 | 3842570495@qq.com | China | 9992 | 58 |
| Beijing Jin Ming Biotechnology Co., Ltd. | 010-60605840 | psaitong@jm-bio.com | China | 27626 | 58 |
| Xi'an Kaixin Biotechnology Co., Ltd | 029-68881181 13619217766 | 3495811982@qq.com | China | 2817 | 58 |
| Changsha Hanchen Biotechnology Co., LTD | 18175992585 | wanglin@hanchibio.cn | China | 194 | 58 |
| Shanghai Easy CDMO Co.,Ltd | Info@easycdmo.com 13564957716 | Info@easycdmo.com | China | 9999 | 58 |
| mahaloong | 028-81192082 18180560816 | sales@mahaloong.com | China | 210 | 58 |





