Alfa Aesar

Reagents, R, Alfa Aesar

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  • Rhodizonic acid disodium salt, 98%

    Alfa Aesar

    Synonym(s): 1,2-Dihydroxy-3,4,5,6-tetraoxocyclohexene disodium salt, Sodium rhodizonate Formula: C6Na2O6 Formula weight: 214.04 Purity: 98% CAS Number: 523-21-7 Harmonized Tariff Code:  2914.40

  • Rose Bengal

    Alfa Aesar

    Synonym(s): Acid Red 94, C.I. 45440 Formula: C20H2Cl4I4Na2O5 Formula weight: 1017.65 CAS Number: 632-69-9 Harmonized Tariff Code:  3204.12 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • Rubidium nitrate, 99.8% (metals basis)

    Alfa Aesar

    Formula: RbNO3 Formula weight: 147.47 Purity: 99.8% (metals basis) CAS Number: 13126-12-0 UN Number: UN1477 Hazard Class: 5.1 Packing Group: III Harmonized Tariff Code:  2834.29 Hazard Statements: H272-H315-H319 May intensify fire; oxidizer. Causes skin irritation. Causes…

  • Rhenium(V) chloride, 99.9% (metals basis)

    Alfa Aesar

    Formula: ReCl5 Formula weight: 363.47 Purity: 99.9% (metals basis) CAS Number: 13596-35-5 Harmonized Tariff Code:  2827.39 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Riboflavin, 98%

    Alfa Aesar

    Synonym(s): Vitamin B2 Formula: C17H20N4O6 Formula weight: 376.37 Purity: 98% CAS Number: 83-88-5 Harmonized Tariff Code:  2936.23

  • Resveratrol, 98%

    Alfa Aesar

    Formula: C14H12O3 Formula weight: 228.24 Purity: 98% CAS Number: 501-36-0 Harmonized Tariff Code:  2907.29 Hazard Statements: H318-H335-H315 Causes serious eye damage. May cause respiratory irritation. Causes skin irritation. Precautionary Statements: …

  • (3R)-(+)-3-Acetamidopyrrolidine, 98%

    Alfa Aesar

    Formula: C6H12N2O Formula weight: 128.17 Purity: 98% CAS Number: 131900-62-4 UN Number: UN3259 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2933.99 Hazard Statements: H314-H318 Causes severe skin burns and eye damage. Causes serious eye damage. …

  • Ruthenium(III) 2,4-pentanedionate, Ru 24% min

    Alfa Aesar

    Synonym(s): Ruthenium(III) acetylacetonate, Tris(acetylacetonato)ruthenium(III) Formula: C15H21O6Ru Formula weight: 398.40 CAS Number: 14284-93-6 Harmonized Tariff Code:  2843.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause…

  • (R)-(-)-3-Amino-1-Boc-piperidine, 98%

    Alfa Aesar

    Synonym(s): (R)-Boc-3-piperidinamine, tert-Butyl (R)-3-aminopiperidine-1-carboxylate Formula: C10H20N2O2 Formula weight: 200.28 Purity: 98% CAS Number: 188111-79-7 UN Number: UN2735 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2933.39 Hazard Statements: …

  • Rhodamine B

    Alfa Aesar

    Synonym(s): Basic Violet 10, C.I. 45170 Formula: C28H31ClN2O3 Formula weight: 479.02 CAS Number: 81-88-9 Harmonized Tariff Code:  3204.13 Hazard Statements: H318-H351-H302 Causes serious eye damage. Suspected of causing cancer. Harmful if swallowed. Precautionary Statements: …

  • RBC lysis buffer for mouse

    Alfa Aesar

    Harmonized Tariff Code:  3822.00

  • Rhodium(III) sulfate tetrahydrate, Premion r, 99.99% (metals basis), Rh 35.9%…

    Alfa Aesar

    Formula: O12Rh2S3 4H2O Formula weight: 566.05 (493.99anhy) Purity: 99.99% (metals basis), Rh 35.9% min CAS Number: 15274-78-9 UN Number: UN3261 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2843.90 Hazard Statements: H314-H318-H290 Causes severe skin burns…

  • 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.…

  • RBC lysis buffer for human

    Alfa Aesar

    Harmonized Tariff Code:  3822.00

  • Ribonuclease T1, Aspergillus oryzae in 2.8M ammonium sulfate

    Alfa Aesar

    CAS Number: 9026-12-4 Harmonized Tariff Code:  3507.90

  • Ribonuclease B, bovine pancreas

    Alfa Aesar

    Synonym(s): EC 3.1.4.22, RNase B CAS Number: 9001-99-4 Harmonized Tariff Code:  3507.90

  • Renin Inhibitor Peptide

    Alfa Aesar

    Synonym(s): His-Pro-Phe-His-Leu-D-Leu-Val-Tyr-NH{2} Formula: C52H73N13O9 Formula weight: 1024.23 CAS Number: 50410-01-0 Harmonized Tariff Code:  2933.99

  • 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…

  • (R)-(-)-2-Amino-1-butanol, 98%

    Alfa Aesar

    Formula: C4H11NO Formula weight: 89.14 Purity: 98% CAS Number: 5856-63-3 UN Number: UN2735 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2922.19 Hazard Statements: H314-H318-H302-H227 Causes severe skin burns and eye damage. Causes serious eye damage. Harmful…

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

    Alfa Aesar

  • Ruthenium(IV) oxide, anhydrous, Premion r, 99.95% (metals basis), Ru 75.2% min

    Alfa Aesar

    Synonym(s): Ruthenium dioxide Formula: O2Ru Formula weight: 133.07 Purity: 99.95% (metals basis), Ru 75.2% min 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…

  • Ruthenium(III) chloride oxide, ammoniated, Ru 35.0% min

    Alfa Aesar

    Synonym(s): Tetraamminechlorohydroxoruthenium(III) chloride, Ruthenium Red Formula: H42Cl6N14O2Ru3 Formula weight: 786.35 CAS Number: 11103-72-3 Harmonized Tariff Code:  2843.90

  • Ruthenium, 10% on activated carbon powder, reduced

    Alfa Aesar

    CAS Number: 7440-18-8 UN Number: UN1362 Hazard Class: 4.2 Packing Group: III Harmonized Tariff Code:  3815.12 Hazard Statements: H228-H252-H315-H319-H335 Flammable solid. Self-heating in large quantities; may catch fire. Causes skin irritation. Causes serious eye irritation. May…

  • Rubidium, 99.75% (metals basis)

    Alfa Aesar

    Purity: 99.75% (metals basis) CAS Number: 7440-17-7 UN Number: UN1423 Hazard Class: 4.3 Packing Group: I Harmonized Tariff Code:  2805.19 Hazard Statements: H260-H314-H318 In contact with water releases flammable gases which may ignite spontaneously. Causes severe skin burns and…

  • Ringer's Solution, standard, unbuffered

    Alfa Aesar

  • Resazurin sodium salt

    Alfa Aesar

    Synonym(s): 7-Hydroxy-3H-phenoxazin-3-one-10-oxide sodium salt Formula: C12H6NNaO4 Formula weight: 251.18 CAS Number: 62758-13-8 Harmonized Tariff Code:  2934.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • (R)-(-)-Carvone, 98%

    Alfa Aesar

    Synonym(s): (R)-(-)-5-Isopropenyl-2-methyl-2-cyclohexenone, (R)-(-)-p-Mentha-6,8-dien-2-one Formula: C10H14O Formula weight: 150.22 Purity: 98% CAS Number: 6485-40-1 Harmonized Tariff Code:  2914.29 Hazard Statements: H302-H227 Harmful if swallowed. Combustible liquid. …

  • Riboflavin, 98%, Electrophoresis Grade

    Alfa Aesar

    Synonym(s): Vitamin B2 Formula: C17H20N4O6 Formula weight: 376.37 Purity: 98%, Electrophoresis Grade CAS Number: 83-88-5 Harmonized Tariff Code:  2936.23

  • 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, lactate-buffered

    Alfa Aesar

  • RIPA buffer with EDTA + EGTA

    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…

  • 13-cis-Retinoic acid

    Alfa Aesar

    Synonym(s): Isotretinoin Formula: C20H28O2 Formula weight: 300.44 CAS Number: 4759-48-2 Harmonized Tariff Code:  2936.21 Hazard Statements: H360-H315-H319-H335 May damage fertility or the unborn child. Causes skin irritation. Causes serious eye irritation. May cause respiratory…

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