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

  • Rhodium, 5% on alumina powder, Type 526, reduced

    Alfa Aesar

    CAS Number: 7440-16-6 Harmonized Tariff Code:  3815.12

  • Ringer's Solution, lactate-buffered

    Alfa Aesar

  • 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

  • (R)-(-)-1,2-Propanediol, 98%

    Alfa Aesar

    Synonym(s): (R)-(-)-Propylene glycol Formula: C3H8O2 Formula weight: 76.10 Purity: 98% CAS Number: 4254-14-2 Harmonized Tariff Code:  2905.32

  • Rapamycin, 99+%

    Alfa Aesar

    Synonym(s): Sirolimus, AY-22989 Formula: C51H79NO13 Formula weight: 914.17 Purity: 99+% CAS Number: 53123-88-9 Harmonized Tariff Code:  2934.99

  • 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

  • RIPA buffer with Triton r X-100 (1X)

    Alfa Aesar

    Harmonized Tariff Code:  3822.00

  • Rubidium formate hydrate, 99.8% (metals basis)

    Alfa Aesar

    Formula: CHO2Rb xH2O Formula weight: 130.49(anhy) Purity: 99.8% (metals basis) CAS Number: 3495-35-0 Harmonized Tariff Code:  2915.12 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • 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(VI) oxide, 99.9% (metals basis)

    Alfa Aesar

    Formula: ReO3 Formula weight: 236.20 Purity: 99.9% (metals basis) CAS Number: 1314-28-9 Harmonized Tariff Code:  2825.90

  • Rubidium, plasma standard solution, Specpure r, Rb 10,000µg/ml

    Alfa Aesar

    Formula: Rb2CO3 in 5 HNO3 UN Number: UN3264 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  3822.00 Hazard Statements: H314 Causes severe skin burns and eye damage. Precautionary Statements: P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501a Do not…

  • Rhodanine, 98+%

    Alfa Aesar

    Synonym(s): 4-Thiazolidinone-2-thione, 2-Thioxo-4-thiazolidinone Formula: C3H3NOS2 Formula weight: 133.19 Purity: 98+% CAS Number: 141-84-4 Harmonized Tariff Code:  2934.10 Hazard Statements: H318-H302 Causes serious eye damage. Harmful if swallowed. Precautionary Statements: …

  • Rhodium, 5% on alumina powder, C301099-5

    Alfa Aesar

  • Ruthenium(IV) oxide hydrate, Ru 54% min

    Alfa Aesar

    Formula: O2Ru xH2O Formula weight: 133.07(anhy) CAS Number: 32740-79-7 UN Number: UN1479 Hazard Class: 5.1 Packing Group: II Harmonized Tariff Code:  2843.90 Hazard Statements: H271 May cause fire or explosion; strong oxidizer. Precautionary Statements: …

  • Rhenium silicide, 99.9% (metals basis)

    Alfa Aesar

    Formula: ReSi2 Formula weight: 242.37 Purity: 99.9% (metals basis) CAS Number: 12038-66-3 Harmonized Tariff Code:  2850.00

  • Ruthenium(III) iodide, anhydrous, Ru 20.5% min

    Alfa Aesar

    Formula: RuI3 Formula weight: 481.78 CAS Number: 13896-65-6 Harmonized Tariff Code:  2843.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • 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, 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…

  • Ruthenium, 5% on alumina powder

    Alfa Aesar

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

  • 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…

  • (R)-(-)-1-(1-Naphthyl)ethyl isocyanate, 97%

    Alfa Aesar

    Formula: C13H11NO Formula weight: 197.24 Purity: 97% CAS Number: 42340-98-7 UN Number: UN2206 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2929.10 Hazard Statements: H331-H334-H227-H302-H315-H319-H335 Toxic if inhaled. May cause allergy or asthma symptoms…

  • Rhenium(VII) oxide, 99.99% (metals basis)

    Alfa Aesar

    Formula: O7Re2 Formula weight: 484.40 Purity: 99.99% (metals basis) CAS Number: 1314-68-7 UN Number: UN3085 Hazard Class: 5.1 Packing Group: III Harmonized Tariff Code:  2825.90 Hazard Statements: H314-H318-H272 Causes severe skin burns and eye damage. Causes serious eye…

  • 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: …

  • Ringer's Solution, standard, unbuffered

    Alfa Aesar

  • 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: …

  • 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.…

  • 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:

  • 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…

  • RITA, p53 activator III

    Alfa Aesar

    Synonym(s): 5,5'-(2,5-Furandiyl)bis-2-thiophenemethanol, NSC 652287 Formula: C14H12O3S2 Formula weight: 292.40 CAS Number: 213261-59-7 Harmonized Tariff Code:  3504.00

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