Reagents, R

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Reagents, R

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  • SIGMA RPMI-1640 Medium, Hybri-Max™, Modified, with L-glutamine, 4500 mg/L…

    MilliporeSigma

    Application: RPMI 1640 Medium was developed at Roswell Park Memorial Institute in 1966 by Moore and his co-workers. A modification of McCoy′s 5A Medium, it was formulated to support lymphoblastoid cells in suspension culture, but it has since been shown to support a wide variety of cells…

  • 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

  • SUPELCO Riboflavin (B2), analytical standard

    MilliporeSigma

    Synonyms: (−)-Riboflavin; Lactoflavin; Vitamin B2; Vitamin G Formula: C17H20N4O6 Formula Weight: 376.36 CAS No.: 83-88-5 General description: Standard for Supelco MIP SPE cartridges. For more information request Supelco…

  • Raka-Ray Agar, for microbiology

    MilliporeSigma

    Synonyms: Lactic Acid Bacteria Selective Agar Base

  • SIGMA Rifampicin >=97% (HPLC), powder

    MilliporeSigma

    Synonym(s): 3-(4-Methylpiperazinyliminomethyl)rifamycin SV; Rifampin; Rifamycin AMP Empirical Formula: C43H58N4O12 Linear Formula: C43H58N4O12 Formula Weight: 822.94 MDL Number: MFCD00151389 …

  • Retinol, synthetic, =95% (HPLC), crystalline

    MilliporeSigma

    Synonym: Axerophthol, Vitamin A alcohol, Vitamin A, Vitamin A1, all-trans-3,7-Dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4,6,8-nonatetraen-1-ol CAS Number: 68-26-8 Empirical Formula (Hill Notation): C20H30O Molecular Weight: 286.45 Beilstein…

  • Glutaraldehyde

    Electron Microscopy Sciences

    Formula: OCHCH2CH2CH2CHO Formula Weight: 100.12 CAS #: 111-30-8 Specific Gravity @20/20°C: 1.131 EM Grade Distillation Purified The Universal Fixative for Electron Microscopy. Purified to EM Grade from commercial grade by…

  • RNAlater®, Stabilize and protect RNA with immediate RNase inactivation

    MilliporeSigma

    Synonym: Anti-CD68 molecule, Anti-DKFZp686M18236, Anti-GP110, Anti-LAMP4, Anti-macrosialin EC Number: 231-984-1 MDL Number: MFCD03453003 Features and Benefits No compromise in RNA quality following mRNA or total RNA isolation Rapidly permeates tissues to stabilize…

  • ALDRICH (1R,2R)-(-)-N-Boc-2-amino-1-(4-nitrophenyl)-1,3-propanediol, 96%

    MilliporeSigma

    Empirical Formula: C14H20N2O6 Linear Formula: C14H20N2O6 Formula Weight: 312.32 MDL Number: MFCD04974320 Purity: 96% Melting Point: 115-119 °C

  • "(17R)-4'-Chloro-5'-ethyl-9-fluoro-11B-hydroxy-16B-methylspiro[androsta-1,4…

    MilliporeSigma

    pharmaceutical impurity standard, ≥95.0% (HPLC) Synonym(s): Clobetasol Related Compound A (USP); Clobetasol impurity J (PhEur) Empirical Formula: C25H30ClFO4 Formula Weight: 448.95 Linear Formula: C25H30ClFO4

  • p-Rosolic acid, Dye content 85 %

    MilliporeSigma

    CAS No.: 603-45-2 Synonyms: 4-[Bis(4-hydroxyphenyl)methylene]-2,5-cyclohexadienone; Aurin Formula: C19H14O3 Formula Weight: 290.31 Linear Formula: C19H14O3 MDL No.: MFCD00001624 Color Index No.: 43800

  • SIGMA Ro 61-8048 >=98% (HPLC)

    MilliporeSigma

    Synonym(s): 3,4-Dimethoxy-N-[4-(3-nitrophenyl)-2-thiazolyl]-benzenesulfonamide; 3,4-Dimethoxy-N-[4-(3-nitrophenyl)thiazol-2-yl]benzenesulfonamide; Ro-61-8048 Empirical Formula: C17H15N3O6S2 Linear Formula: …

  • ALDRICH Rink amine resin, 100-200mesh, extent of labeling: 0.5-1.5mmol/g N…

    MilliporeSigma

    MDL Number: MFCD00801462

  • ALDRICH Rhodium on alumina, extent of labeling: 5wt. % loading, matrix alumina…

    MilliporeSigma

    Synonym(s): Rh/Al2O3 Application: Active catalyst under mild conditions for hydrogenation of unsaturated compounds including aldehydes, ketones, and aromatic carbocyclic and heterocyclic structures; high stereospecificity and low hydrogenolytic activity. Packaging: 1,…

  • SIGMA Resveratrol >=99% (GC)

    MilliporeSigma

    Synonym(s): 3,4',5-Trihydroxy- trans -stilbene; 5-[(1 E )-2-(4-Hydroxyphenyl)ethenyl]-1,3-benzenediol Empirical Formula: C14H12O3 Linear Formula: C14H12O3 Formula Weight: 228.24 MDL Number: MFCD00133799 Purity: …

  • 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…

  • SIGMA Reactive Red 120

    MilliporeSigma

    Empirical Formula: C44H24Cl2N14Na6O20S6 Linear Formula: C44H24Cl2N14O20S6Na6 Formula Weight: 1469.98 MDL Number: MFCD00132157

  • ALDRICH (R)-RuCl[(p-cymene)(DM-BINAP)]Cl

    MilliporeSigma

    Synonym(s): Chloro[( R )−(+)−2,2'−bis(di−(3,5−xylyl)phosphino)−1,1'−binaphthyl]( p −cymene)ruthenium(II) chloride Empirical Formula: C62H62Cl2P2Ru Linear Formula: …

  • ALDRICH (R)-(6,6'-Dimethoxybiphenyl-2,2'-diyl)bis[bis(3,4,5-trimethoxyphenyl…

    MilliporeSigma

    Synonym(s): ( R )-2,2'-Bis[bis(3,4,5-trimethoxyphenyl)phosphino]-6,6'-dimethoxy-1,1'-biphenyl; ( R )-3,4,5-MeO-MeOBIPHEP; SL-A104-1 Empirical Formula: C50H56O14P2 Linear Formula: C50H56O14P2 Formula…

    =97%, optical purity ee: >=99%"}' data-compare-data="">
  • Reagent Set, Nitrogen Amna

    Hach

    Nitrogen-Ammonia Set, 0-0.5 mg/L as NH3-N Method: Salicylate (Colorimetric) Sample Size: 25 mL 100/tests

  • RNA Loading Buffer, 2X

    Storage Condition: Frozen Formamide-based loading buffer allows RNA separation by size, even on native gels Two tracking dyes for estimation of sample migration Ready-to-use, convenient 2X formulation AMRESCO’s RNA Loading Buffer, 2X is a premixed loading dye for the…

  • SIGMA Ribonucleic acid, transfer from wheat germ Type V, 15-19 unit/mg solid

    MilliporeSigma

    Synonym(s): Transfer RNA; tRNA MDL Number: MFCD00132200 Purity: 15-19 unit/mg solid Storage: 2-8°C

  • ALDRICH Rum Ether, FG

    MilliporeSigma

    Synonym(s): Ethyl oxyhydrate MDL Number: MFCD00212660 Boiling Point: 76 °C(lit.) Density: 0.825 g/mL at 25 °C(lit.) Refractive Index: n 20/D 1.366(lit.)

  • ALDRICH Resazurin sodium salt, certified by the Biological Stain Commission

    MilliporeSigma

    Synonym(s): 7-Hydroxy-3H-phenoxazin-3-one-10-oxide sodium salt Empirical Formula: C12H6NNaO4 Linear Formula: C12H6NNaO4 Formula Weight: 251.17 MDL Number: MFCD00005036 Beilstein Registry Number: 3794971

  • 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

  • ALDRICH Rubidium chloride, ReagentPlus®, >=99.0% (metals basis)

    MilliporeSigma

    Empirical Formula: ClRb Linear Formula: RbCl Formula Weight: 120.92 MDL Number: MFCD00011187 Purity: ≥99.0% (metals basis) Melting Point: 715 °C(lit.) Density: 2.8 g/mL at 25 °C(lit.)

  • 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: …

  • SIGMA RSVA314 >=98% (HPLC)

    MilliporeSigma

    Synonym(s): 2-Hydroxy-benzoic acid 2-[[4-(diethylamino)-2-hydroxyphenyl]methylene]hydrazide Empirical Formula: C18H21N3O3 Linear Formula: C18H21N3O3 Formula Weight: 327.38 Purity: ≥98% (HPLC) …

  • ALDRICH (R,R)-1,3-Bis[(4-bromophenyl)methyl]-2-chlorooctahydro-2-allyl-1H-1,3,2…

    MilliporeSigma

    Synonym(s): (3a R ,7a R )-2-Allyl-1,3-bis(4-bromobenzyl)-2-chlorooctahydro-1 H -benzo[ d ][1,3,2]diazasilole Empirical Formula: C23H27Br2ClN2Si Linear Formula: C23H27Br2ClN2Si Formula Weight: 554.82 …

  • Rosolic Acid 25Gm

    MilliporeSigma

    Formula: (C6H4OH)2C:(C6H4:O) Formula Weight: 290.32 CAS Number: 603-45-2 Synonym(s): Paraosolic Acid

  • "Rice flour (amylose, high level)"

    MilliporeSigma

    BCR ® certified Reference Material Storage: −20°C

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