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Product Name: 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium salt Order number: 50P101228 CAS: 525-05-3 Purity: >=95% Appearance: solid MF: C10H7NNa2O8S2 MW: 379.265 MP: >300 oC Description: This product is used to chelate and detect metals such as cobalt ion. |
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Product Name: Ethyl Orange sodium salt Order number: 50P101369 CAS: 62758-12-7 Purity: >=95% Appearance: solid MF: C16H18N3NaO3S MW: 355.388 MP: n.a. oC Description: Dyes with sulfonic acids tend to bind tightly to proteins and carbohydrates. They are generally "washable". |
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Product Name: Thymol Blue (thymolsulfonephthalein) Order number: 50P142126 CAS: 76-61-9 Purity: >=95% Appearance: solid MF: C27H30O5S MW: 466.592 MP: n.a. oC Description: This dye is a brownish-green or reddish-brown crystalline powder and is used as a pH indicator. It is used for the sensor of CO2 in the presence of Eu (III) judged by glow intensity. |
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Product Name: 4-Dimethylaminoazobenzene-4'-carboxylic acid Order number: 50P122186 CAS: 6268-49-1 Purity: 97% Appearance: solid MF: C15H15N3O2 MW: 269.304 MP: n.a. oC Description: It is a dark fluorescence quencher. It is a popular acceptor for developing FRET-based nucleic acid probes such as Molecular Beacon-based PCR probes. |
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Product Name: Ninhydrin Order number: 50P122337 CAS: 485-47-2 Purity: 95% Appearance: solid MF: C9H6O4 MW: 178.143 MP: 250 oC Description: It's used for ammonia and amine detection. It is used in fingerprint detection to identify lysine residues. It monitors deprotection in solid-phase peptide synthesis (Kaiser test) on TLC. |
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Product Name: Neutral Red Order number: 50P124667 CAS: 553-24-2 Purity: 95% Appearance: solid MF: C15H17ClN4 MW: 288.779 MP: 290 oC Description: It stains lysosomes. It produces prominent fluorescence in plant and animal fats while acting as a stain for acidic groups including volutin. It has served as a CO2 sensor. |