Reagents, N

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  • 4-(4-Nitrophenylazo)resorcinol, 95%

    Alfa Aesar

    Synonym(s): 2,4-Dihydroxy-4'-nitroazobenzene, Magneson Formula: C12H9N3O4 Formula weight: 259.22 Purity: 95% CAS Number: 74-39-5 Harmonized Tariff Code:  2927.00 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • n-Hexadecane, 99%

    Alfa Aesar

    Formula: CH3(CH2)14CH3 Formula weight: 226.45 Purity: 99% CAS Number: 544-76-3 Harmonized Tariff Code:  2901.10 Hazard Statements: H315-H319 Causes skin irritation. Causes serious eye irritation. Precautionary Statements: P280-P305+P351+P338-P362-P321-P332+P313-P337+P313 Wear…

  • Nujol, for IR spectroscopy

    Alfa Aesar

    Synonym(s): Mineral oil, Paraffin oil CAS Number: 8012-95-1 Hazard Class: 0 Harmonized Tariff Code:  2710.19 Hazard Statements: H319 Causes serious eye irritation. Precautionary Statements: P280-P264-P305+P351+P338-P337+P313 Wear protective gloves/protective clothing/eye…

  • 4-(4-Nitrophenylazo)-1-naphthol

    Alfa Aesar

    Synonym(s): Magneson II Formula: C16H11N3O3 Formula weight: 293.28 CAS Number: 5290-62-0 Harmonized Tariff Code:  2927.00 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Nujol (light oil)

    Alfa Aesar

    Synonym(s): Mineral oil, Paraffin oil CAS Number: 8012-95-1 Harmonized Tariff Code:  2710.19 Hazard Statements: H319 Causes serious eye irritation. Precautionary Statements: P280-P264-P305+P351+P338-P337+P313 Wear protective gloves/protective clothing/eye protection/face protection.…

  • 4-Nitro-L-phenylalanine, 98%

    Alfa Aesar

    Synonym(s): H-Phe(4-NO2)-OH Formula: C9H10N2O4 Formula weight: 210.19 Purity: 98% CAS Number: 949-99-5 Harmonized Tariff Code:  2922.49

  • 4-Nitroaniline, 98%

    Alfa Aesar

    Formula: C6H6N2O2 Formula weight: 138.13 Purity: 98% CAS Number: 100-01-6 UN Number: UN1661 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2921.42 Hazard Statements: H300-H310-H330-H373 Fatal if swallowed. Fatal in contact with skin. Fatal if inhaled. May…

  • n-Pentane, HPLC Grade, 99% min

    Alfa Aesar

    Formula: CH3(CH2)3CH3 Formula weight: 72.15 Purity: 99% min CAS Number: 109-66-0 UN Number: UN1265 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2901.10 Hazard Statements: H225-H304-H336 Highly flammable liquid and vapour. May be fatal if swallowed and enters…

  • N,O-Bis(trimethylsilyl)trifluoroacetamide, 98+%

    Alfa Aesar

    Synonym(s): BSTFA Formula: C8H18F3NOSi2 Formula weight: 257.40 Purity: 98+% CAS Number: 25561-30-2 UN Number: UN2924 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2931.90 Hazard Statements: H314-H318-H226 Causes severe skin burns and eye damage. Causes…

  • N,N,N',N'-Tetramethyl-p-phenylenediamine dihydrochloride, 98+%

    Alfa Aesar

    Synonym(s): 1,4-Bis(dimethylamino)benzene dihydrochloride, Wurster's Blue dihydrochloride Formula: C10H16N2 2HCl Formula weight: 237.17 Purity: 98+% CAS Number: 637-01-4 Harmonized Tariff Code:  2921.51 Hazard Statements: H301-H311-H332-H315-H319-H335 Toxic if swallowed. Toxic…

  • N-Methyl-N-trimethylsilylacetamide, 98%

    Alfa Aesar

    Synonym(s): MSA, N-Trimethylsilyl-N-methylacetamide Formula: C6H15NOSi Formula weight: 145.28 Purity: 98% CAS Number: 7449-74-3 UN Number: UN1993 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2931.90 Hazard Statements: H226-H315-H319-H335 Flammable liquid…

  • N-(1-Naphthyl)ethylenediamine dihydrochloride, ACS

    Alfa Aesar

    Formula: C12H14N2 2HCl Formula weight: 259.18 CAS Number: 1465-25-4 Harmonized Tariff Code:  2921.59 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • N-^a-Benzoyl-L-arginine ethyl ester hydrochloride, 99%

    Alfa Aesar

    Formula: C15H22N4O3 HCl Formula weight: 342.84 Purity: 99% CAS Number: 2645-08-1 Harmonized Tariff Code:  2925.29

  • N-Acetyl-L-tyrosine ethyl ester monohydrate, 97%

    Alfa Aesar

    Synonym(s): Ac-Tyr-OEt Formula: C13H17NO4 H2O Formula weight: 269.30 (251.28anhy) Purity: 97% CAS Number: 36546-50-6 Harmonized Tariff Code:  2924.29

  • 3-Nitrobiphenyl, 98+%

    Alfa Aesar

    Formula: C12H9NO2 Formula weight: 199.21 Purity: 98+% CAS Number: 2113-58-8 Harmonized Tariff Code:  2904.20 Hazard Statements: H301-H311-H341-H332 Toxic if swallowed. Toxic in contact with skin. Suspected of causing genetic defects. Harmful if inhaled. Precautionary Statements: …

  • NP-40 lysis buffer (2X)

    Alfa Aesar

    Harmonized Tariff Code:  3822.00 Hazard Statements: H319 Causes serious eye irritation. Precautionary Statements: P280-P264-P305+P351+P338-P337+P313 Wear protective gloves/protective clothing/eye protection/face protection. Wash thoroughly after handling. IF IN EYES: Rinse cautiously with…

  • N,N'-Methylenebisacrylamide, 99+%, Electrophoresis Grade

    Alfa Aesar

    Synonym(s): Bis-acrylamide Formula: C7H10N2O2 Formula weight: 154.17 Purity: 99+%, Electrophoresis Grade CAS Number: 110-26-9 Harmonized Tariff Code:  2924.19 Hazard Statements: H302 Harmful if swallowed. Precautionary Statements: P264-P270-P301+P312-P330-P501a Wash…

  • Neodymium Boron Iron, REacton r

    Alfa Aesar

    Formula: Nd B Fe 15 8 77 atomic Magnet Alloy Additive Harmonized Tariff Code:  2805.30

  • N-Fmoc-Tyr-Ala diazomethyl ketone

    Alfa Aesar

    Synonym(s): B-3530 Formula: C28H26N4O5 Formula weight: 498.54 CAS Number: 205763-22-0 Harmonized Tariff Code:  2927.00

  • NP-40 lysis buffer

    Alfa Aesar

    Harmonized Tariff Code:  3822.00 Hazard Statements: H319 Causes serious eye irritation. Precautionary Statements: P280-P264-P305+P351+P338-P337+P313 Wear protective gloves/protective clothing/eye protection/face protection. Wash thoroughly after handling. IF IN EYES: Rinse cautiously with…

  • N,N-Dimethylformamide, anhydrous, 99.8%, packaged under Argon in resealable…

    Alfa Aesar

    CAS Number: 68-12-2 MDL: MFCD00003284 EINECS: 200-679-5 Formula: HCON(CH3)2 Formula Weight: 73.09 Form: Liquid Melting Point: -61° Boiling Point: 153° Flash Point: 57°(135°F) Density: 0.944 …

  • N,O-Bis(trimethylsilyl)trifluoroacetamide, 99+%, packaged under Argon in…

    Alfa Aesar

    Synonym(s): BSTFA Formula: C8H18F3NOSi2 Formula weight: 257.40 Purity: 99+%, packaged under Argon in resealable ChemSeal^t bottles CAS Number: 25561-30-2 UN Number: UN2924 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2931.90 Hazard Statements: …

  • Nitric acid, ACS, fuming, 90%

    Alfa Aesar

    Formula: HNO3 Formula weight: 63.01 Purity: 90% CAS Number: 7697-37-2 UN Number: UN2031 Hazard Class: 8 Packing Group: I Harmonized Tariff Code:  2808.00 Hazard Statements: H272-H330-H314-H318 May intensify fire; oxidizer. Fatal if inhaled. Causes severe skin burns and eye…

  • N-Boc-D-valinol, 95%

    Alfa Aesar

    Synonym(s): N-(tert-Butoxycarbonyl)-D-valinol Formula: C10H21NO3 Formula weight: 203.28 Purity: 95% CAS Number: 106391-87-1 Harmo

  • N-(3,5-Dichlorophenyl)thiourea, 98+%

    Alfa Aesar

    Formula: C7H6Cl2N2S Formula weight: 221.11 Purity: 98+% CAS Number: 107707-33-5 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2930.90 Hazard Statements: H301 Toxic if swallowed. Precautionary Statements: P280f-P309-P310 Wear protective…

  • N-Methyl-1-naphthalenemethylamine hydrochloride, 98%

    Alfa Aesar

    Synonym(s): N-Methyl-1-naphthylmethylamine hydrochloride Formula: C12H13N HCl Formula weight: 207.70 Purity: 98% CAS Number: 65473-13-4 Harmonized Tariff Code:  2921.49 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • NP-40 lysis buffer, high salt

    Alfa Aesar

    Harmonized Tariff Code:  3822.00

  • Nickel gauze, 50 mesh woven from 0.05mm (0.002in) dia wire

    Alfa Aesar

    CAS Number: 7440-02-0 Harmonized Tariff Code:  7508.10 Hazard Statements: H372-H351-H317 Causes damage to organs through prolonged or repeated exposure. Suspected of causing cancer. May cause an allergic skin reaction. Precautionary Statements: P260-P261-P280-P363-P405-P501a Do not…

  • 1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt, 90+%

    Alfa Aesar

    Synonym(s): 1-Nitroso-R-salt Formula: C10H5NNa2O8S2 Formula weight: 377.26 Purity: 90+% CAS Number: 525-05-3 Harmonized Tariff Code:  2908.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • ^a-Naphtholbenzein

    Alfa Aesar

    Synonym(s): 4-[^a-(4-Hydroxy-1-naphthyl)benzylidene]naphthalen-1(4H)-one, p-Naphtholbenzein Formula: C27H18O2 Formula weight: 374.44 CAS Number: 145-50-6 Harmonized Tariff Code:  2907.29 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May…

  • Nafion r NR50, super acidic ion exchange resin catalyst

    Alfa Aesar

    Synonym(s): Perfluorosulfonic acid-PTFE copolymer Formula: Rf[OCF2CF(CF3)2] nOCF2CF2SO3H CAS Number: 31175-20-9 Harmonized Tariff Code:  3914.00 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

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