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

  • RNA sample loading buffer (6X)

    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…

  • 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…

  • Ruthenium, 5% on alumina powder

    Alfa Aesar

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

  • 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: …

  • 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…

  • Ringer's Solution, standard, unbuffered

    Alfa Aesar

  • Reverse Transcriptase, murine, Moloney Murine Leukemia Virus

    Alfa Aesar

    Synonym(s): MMLV RT CAS Number: 9068-38-6 Harmonized Tariff Code:  3507.90

  • RIPA 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…

  • 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…

  • 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.…

  • (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. …

  • 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.…

  • 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…

  • 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…

  • Ruthenium(III) nitrosylnitrate solution, Ru 1.5% w/v

    Alfa Aesar

    Formula: N4O10Ru Formula weight: 317.09 CAS Number: 34513-98-9 UN Number: UN3218 Hazard Class: 5.1 Packing Group: III Harmonized Tariff Code:  2843.90 Hazard Statements: H272-H318-H315 May intensify fire; oxidizer. Causes serious eye damage. Causes skin irritation. …

  • Riboflavin-5'-phosphate sodium salt dihydrate

    Alfa Aesar

    Synonym(s): FMN-Na Formula: C17H20N4NaO9P 2H2O Formula weight: 514.36 (478.34anhy) CAS Number: 6184-17-4 Harmonized Tariff Code:  2936.23

  • 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: …

  • 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: …

  • 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…

  • 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

  • (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…

  • 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…

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