Alfa Aesar

Reagents, R, Alfa Aesar

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  • Rubidium bromide, 99.8% (metals basis)

    Alfa Aesar

    Formula: RbBr Formula weight: 165.38 Purity: 99.8% (metals basis) CAS Number: 7789-39-1 Harmonized Tariff Code:  2827.59

  • Ruthenium(III) chloride hydrate, 99.9% (PGM basis), Ru 38% min

    Alfa Aesar

    Formula: Cl3Ru xH2O Formula weight: 207.43(anhy) Purity: 99.9% (PGM basis), Ru 38% min CAS Number: 14898-67-0 UN Number: UN3260 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2843.90 Hazard Statements: H314-H318-H290-H302 Causes severe skin burns and eye…

  • Ribonuclease A, bovine pancreas, Molecular Biology Grade

    Alfa Aesar

    Synonym(s): EC 3.1.27.5, Rnase A CAS Number: 9001-99-4 Harmonized Tariff Code:  3507.90

  • Ruthenium, plasma standard solution, Specpure r, Ru 1000µg/ml

    Alfa Aesar

    Formula: RuCl3 in 20 HCl UN Number: UN1789 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  3822.00 Hazard Statements: H314-H335 Causes severe skin burns and eye damage. May cause respiratory irritation. Precautionary Statements: …

  • Rubidium hexafluoroarsenate(V), 98% (metals basis)

    Alfa Aesar

    Formula: RbAsF6 Formula weight: 359.92 Purity: 98% (metals basis) CAS Number: 43023-95-6 UN Number: UN1557 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2826.90 Hazard Statements: H301-H331 Toxic if swallowed. Toxic if inhaled. Precautionary Statements: …

  • Resorcinol, 99%

    Alfa Aesar

    Synonym(s): 1,3-Dihydroxybenzene, 1,3-Benzenediol Formula: C6H6O2 Formula weight: 110.11 Purity: 99% CAS Number: 108-46-3 UN Number: UN2876 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2907.21 Hazard Statements: H302-H315-H319 Harmful if swallowed.…

  • Ringer's Solution, standard, unbuffered

    Alfa Aesar

  • Ruthenium, 5% on activated carbon powder, reduced, nominally 50% water wet

    Alfa Aesar

    CAS Number: 7440-18-8 Harmonized Tariff Code:  3815.12

  • Retinol, 95%, synthetic

    Alfa Aesar

    Synonym(s): Vitamin A alcohol Formula: C20H30O Formula weight: 286.46 Purity: 95%, synthetic CAS Number: 68-26-8 Harmonized Tariff Code:  2936.21 Hazard Statements: H302-H315-H319 Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. Precautionary…

  • Ribonucleic acid from Baker's yeast

    Alfa Aesar

    CAS Number: 63231-63-0 Harmonized Tariff Code:  2934.99

  • RIPA 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…

  • Ruthenium, 5% on alumina powder

    Alfa Aesar

    CAS Number: 7440-18-8 Harmonized Tariff Code:  3815.12

  • Rifampin, 50 mg/ml in DMSO, sterile-filtered

    Alfa Aesar

  • Rhodium(III) chloride hydrate, Rh 38.5-45.5%

    Alfa Aesar

    Synonym(s): Rhodium trichloride hydrate Formula: RhCl3 xH2O Formula weight: 209.26(anhy) CAS Number: 20765-98-4 Harmonized Tariff Code:  2843.90 Hazard Statements: H318-H290-H341-H302 Causes serious eye damage. May be corrosive to metals. Suspected of causing genetic defects.…

  • Radglo GM-10 Chartreuse

    Alfa Aesar

    Harmonized Tariff Code:  3204.20

  • Rubidium fluoride, 99.9% (metals basis)

    Alfa Aesar

    Formula: FRb Formula weight: 104.47 Purity: 99.9% (metals basis) CAS Number: 13446-74-7 UN Number: UN3288 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2826.19 Hazard Statements: H301-H311-H331-H315-H319-H335 Toxic if swallowed. Toxic in contact with skin.…

  • Ruthenium powder, -200 mesh, Premion®, 99.99+% (metals basis excluding Ca), Ca…

    Alfa Aesar

    Purity: 99.99+% (metals basis excluding Ca), Ca 100ppm max CAS Number: 7440-18-8 UN Number: UN3089 Hazard Class: 4.1 Packing Group: III <

  • (R)-(+)-2-Phenyl-1-propanol, 98+%

    Alfa Aesar

    Formula: C9H12O Formula weight: 136.19 Purity: 98+% CAS Number: 19141-40-3 Harmonized Tariff Code:  2906.29 Hazard Statements: H302 Harmful if swallowed. Precautionary Statements: P280f Wear protective clothing. Risk Phrases: 22 Harmful if swallowed. Safety Phrases: 36 …

  • Rhodium(III) chloride hydrate, Premion r, 99.99% (metals basis)

    Alfa Aesar

    Formula: RhCl3 xH2O Formula weight: 209.26(anhy) Purity: 99.99% (metals basis) CAS Number: 20765-98-4 Harmonized Tariff Code:  2843.90 Hazard Statements: H318-H290-H341-H302 Causes serious eye damage. May be corrosive to metals. Suspected of causing genetic defects. Harmful if…

  • Rubidium acetate, 99.8% (metals basis)

    Alfa Aesar

    Formula: RbOOCCH3 Formula weight: 144.52 Purity: 99.8% (metals basis) CAS Number: 563-67-7 Harmonized Tariff Code:  2915.29

  • Rhodium(III) 2,4-pentanedionate, Premion r, 99.99% (metals basis), Rh 25.2% min

    Alfa Aesar

    Synonym(s): Rhodium(III) acetylacetonate Formula: C15H21O6Rh Formula weight: 400.23 Purity: 99.99% (metals basis), Rh 25.2% min CAS Number: 14284-92-5 Harmonized Tariff Code:  2843.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May…

  • Rhenium(VII) oxide, 99.995% (metals basis)

    Alfa Aesar

    Formula: O7Re2 Formula weight: 484.40 Purity: 99.995% (metals basis) CAS Number: 1314-68-7 UN Number: UN3085 Hazard Class:

  • RHC-80267, 99%

    Alfa Aesar

  • Reactive Blue 4, dye content ca 40%

    Alfa Aesar

    Synonym(s): C.I. 61205, Procion® Blue MX-R Formula: C23H14Cl2N6O8S2 Formula weight: 637.44 CAS Number: 13324-20-4 Harmonized Tariff Code:  3204.16 Hazard Statements: H319 Causes serious eye irritation. Precautionary Statements: P280-P264-P305+P351+P338-P337+P313 Wear protective…

  • Rubidium fluoride hydrate, 99%

    Alfa Aesar

    Formula: RbF xH2O Formula weight: 104.47(anhy) Purity: 99% CAS Number: 16422-67-6 UN Number: UN3288 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2826.19 Hazard Statements: H301-H311-H331-H315-H319-H335 Toxic if swallowed. Toxic in contact with skin. Toxic…

  • RIPA buffer-2

    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…

  • (R)-(-)-4-Methylmandelic acid, ChiPros, 98%, ee 97+%

    Alfa Aesar

    Synonym(s): (R)-^a-Hydroxy(4-methylphenyl)acetic acid Formula: C9H10O3 Formula weight: 166.18 Purity: 98%, ee 97+% CAS Number: 31284-89-6 Harmonized Tariff Code:  2918.19 Hazard Statements: H318-H335-H315 Causes serious eye damage. May cause respiratory irritation. Causes skin…

  • Rhodium, AAS standard solution, Specpure r, Rh 1000µg/ml

    Alfa Aesar

    Formula: RhCl3 in 20 HCl UN Number: UN1789 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  3822.00 Hazard Statements: H314-H335 Causes severe skin burns and eye damage. May cause respiratory irritation. Precautionary Statements: …

  • Rhodium(III) iodide, 99.9% (metals basis), Rh 20.8% min

    Alfa Aesar

    Formula: RhI3 Formula weight: 483.62 Purity: 99.9% (metals basis), Rh 20.8% min CAS Number: 15492-38-3 Harmonized Tariff Code:  2843.90 Hazard Statements: H341 Suspected of causing genetic defects. Precautionary Statements: P281-P201-P202-P308+P313-P405-P501a Use personal…

  • Rosin

    Alfa Aesar

    CAS Number: 8050-09-7 Harmonized Tariff Code:  3806.10 Hazard Statements: H317 May cause an allergic skin reaction. Precautionary Statements: P261-P280-P363-P321-P333+P313-P501a Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye…

  • Ruthenium(IV) oxide, Electronic Grade, Premion r, 99.95% (metals basis), Ru…

    Alfa Aesar

    Synonym(s): Ruthenium dioxide Formula: RuO2 Formula weight: 133.07 Purity: 99.95% (metals basis), Ru typically 74% CAS Number: 12036-10-1 UN Number: UN1479 Hazard Class: 5.1 Packing Group: II Harmonized Tariff Code:  2843.90 Hazard Statements: H271 May cause fire or…

  • (R)-(-)-2-Butanol, 98+%

    Alfa Aesar

    Synonym(s): (R)-(-)-sec-Butyl alcohol Formula: C4H10O Formula weight: 74.12 Purity: 98+% CAS Number: 14898-79-4 UN Number: UN1120 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2905.14 Hazard Statements: H226-H319-H335-H336 Flammable liquid and vapour.…

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