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Reagents, R

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  • Rubidium Perchlorate Reagent

    GFS Chemicals

  • SIGMA Ribonucleic acid, transfer from baker's yeast (S. cerevisiae) Type X,…

    Sigma-Aldrich

    Synonym(s): Transfer RNA; tRNA MDL Number: MFCD00132200 Storage: −20°C

  • SIGMA Ristomycin monosulfate >=90% ristocetin A basis (balance primarily…

    Sigma-Aldrich

    Synonym(s): Ristocetin sulfate salt Empirical Formula: C95H110N8O44 -+ H2SO4 Linear Formula: C95H110N8O44 -+ H2SO4 Formula Weight: 2166.00 MDL Number: …

  • SUPELCO Riboflavin (B2), analytical standard

    Sigma-Aldrich

    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…

  • SIGMA Ribavirin antiviral

    Sigma-Aldrich

    Synonym(s): 1-β-D-Ribofuranosyl-1,2,4-triazole-3-carboxamide Empirical Formula: C8H12N4O5 Linear Formula: C8H12N4O5 Formula Weight: 244.20 MDL Number: MFCD00058564 Storage: 2-8°C

  • 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

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

    Sigma-Aldrich

    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 Rubidium iodide, 99.9% trace metals basis

    Sigma-Aldrich

    Empirical Formula: IRb Linear Formula: RbI Formula Weight: 212.37 MDL Number: MFCD00011192 Purity: 99.9% trace metals basis Boiling Point: 1300 °C/1 atm(lit.) Melting Point: 656 °C(lit.) Density: 3.55 g/mL at 25 °C(lit.)

  • ALDRICH (R)-(+)-3,3'-Dibromo-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'…

    Sigma-Aldrich

    Empirical Formula: C20H20Br2O2 Linear Formula: C20H20Br2O2 Formula Weight: 452.18 MDL Number: MFCD03093977 Purity: 97% Melting Point: 146-149 °C(lit.)

  • Rutin trihydrate, primary pharmaceutical reference standard

    Sigma-Aldrich

    CAS No.: 250249-75-3 Synonyms: Quercetin-3-rutinoside trihydrate; Vitamin P trihydrate Formula: C27H30O16 ¬? 3H2O Formula Weight: 664.56 Linear Formula: C27H30O16 ¬? 3H2O MDL No.: MFCD00149490

  • ALDRICH (R)-(-)-3-Quinuclidinol hydrochloride, 97%

    Sigma-Aldrich

    Synonym(s): ( R )-(−)-3-Hydroxyquinuclidine hydrochloride Empirical Formula: C7H13NO -+ HCl Linear Formula: C7H13NO -+ HCl Formula Weight: 163.65 MDL Number: MFCD00270837 Purity: 97% Melting Point: 344-350 °C(lit.) …

  • Ribonuclease A from Bovine Pancreas (Solution of 50% glycerol, 10mM Tris-HCL pH…

    Sigma-Aldrich

    Synonym: Pancreatic Ribonuclease, RNase A, Ribonuclease I, Ribonucleate 3'-pyrimidinooligonucleotidohydrolase CAS Number: 9001-99-4 Enzyme Commission (EC) Number: 3.1.27.5 Components RNase A is supplied as a solution of 50% glycerol containing 10 mM Tris-HCl (pH 8.0). …

  • SIGMA Renin Assay Kit sufficient for 100 fluorometric-átests

    Sigma-Aldrich

    Storage: −20°C

  • ALDRICH RuCl2[(R)-DM-BINAP][(R)-DAIPEN]

    Sigma-Aldrich

    Synonym(s): Dichloro[(R)−2,2'−bis[di(3,5−xylyl)phosphino]−1,1'−binaphthyl][(2R)−1,1−bis(4−methoxyphenyl)−3−methyl−1,2−butanediamine]ruthenium(II) Empirical Formula: …

  • Reverse Transcriptase AMV

    Sigma-Aldrich

    Synonym: amv reverse transcriptase Enzyme Commission (EC) Number: 2.7.7.49 Application Reverse Transcriptase AMV is used for: First- and second-strand cDNA synthesis and synthesis of first strand cDNA for use in subsequent amplification reactions Dideoxy DNA sequencing …

  • Ringer's Solution, standard, unbuffered

    Alfa Aesar

  • SIGMA Retinyl acetate, solid or viscous liquid, BioReagent, synthetic, suitable…

    Sigma-Aldrich

    Synonym(s): Retinol acetate; Vitamin A acetate Formula: C22H32O2 Formula Weight: 328.49 CAS No.: 127-47-9 General description: Retinyl-acetate (aka Vitamin A) is found in classical media formulations such as M-199; NCTC-109 and William’s Medium…

  • Red Separopore® 4B-CL

    bioWORLD

    Applications: The immobilized red dye will bind to a wide variety of NADP + - and NAD + -dependent enzymes, including many kinases, dehydrogenases and transferases. Carboxypeptidase G, interferon, plasminogen and plasminogen activator are examples of other proteins that can be purified on…

  • SIGMA Rifamycin SV sodium salt potency: >=900 units (dry basis)

    Sigma-Aldrich

    Empirical Formula: C37H46NNaO12 Linear Formula: C37H46NNaO12 Formula Weight: 719.75

  • ALDRICH (R)-DM-BINAP

    Sigma-Aldrich

    Synonym(s): ( R )-(+)-1,1'-Binaphthalene-2,2'-diyl)bis[bis(3,5-dimethylphenyl)phosphine]; ( R )-(+)-2,2'-Bis[di(3,5-xylyl)phosphino]-1,1'-binaphthyl Empirical Formula: C52H48P2 Linear Formula: C52H48P2 Formula Weight: …

  • FLUKA Resorcinol

    Sigma-Aldrich

    tested according to Ph.Eur. Synonym(s): Resorcinolum; 1,3-Benzenediol Empirical Formula: C6H6O2 Formula Weight: 110.11 Linear Formula: C6H4-1,3-(OH)2 MDL Number: MFCD00002269 Boiling Point: …

  • FLUKA Rice flour (amylose, low level)

    Sigma-Aldrich

    BCR ® certified Reference Material Storage: −20°C

  • SIGMA RPMI-1640 Medium With L-glutamine and sodium bicarbonate, liquid, sterile…

    Sigma-Aldrich

    MDL Number: MFCD00217820 Storage: 2-8°C

  • Reagent Set, Hardness 0-5000mg / L

    Hach

    Reagent set for the Buret Titration Method (Hach method 8222) to determine calcium hardness (0-5,000 mg/L as CaCO3). Contains: CalVer® 2 Calcium Indicator Powder Pillows, Potassium Hydroxide Solution (8 N) and TitraVer® (EDTA) Titrant

  • FLUKA Retinol acetate

    Sigma-Aldrich

    European Pharmacopoeia (EP) Reference Standard Synonym(s): Retinyl acetate; Retinol acetate; Vitamin A acetate Empirical Formula: C22H32O2 Formula Weight: 328.49 Linear Formula: C22H32O2 MDL Number: MFCD00019413 …

  • SIGMA Retinyl acetate synthetic, crystalline solid or supercooled liquid

    Sigma-Aldrich

    Synonym(s): Retinol acetate; Vitamin A acetate Empirical Formula: C22H32O2 Linear Formula: C22H32O2 Formula Weight: 328.49 MDL Number: MFCD00019413 Melting Point: 57-58 °C; ~58 °C(lit.) Storage: …

  • SIGMA RPMI-1640 Medium, Modified, with sodium bicarbonate, without L-glutamine…

    Sigma-Aldrich

    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…

  • FLUKA L-Rhamnose monohydrate, for microbiology, =99.0%

    Sigma-Aldrich

    Synonyms: 6-Deoxy-L-mannose; L(+)Rhamnopyranose Formula: C6H12O5 · H2O Formula Weight: 182.17 CAS No.: 10030-85-0 Purity: ≥99.0% (HPLC); ≥99.0%

  • 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.…

  • ALDRICH Ruthenium(III) chloride hydrate, 99.98% trace metals basis

    Sigma-Aldrich

    Empirical Formula: Cl3Ru -+ xH2O Linear Formula: RuCl3 -+ xH2O Formula Weight: 207.43 (anhydrous basis) MDL Number: MFCD00149844 Purity: 99.98% trace metals basis

  • SIGMA Rhodamine B >=95% (HPLC)

    Sigma-Aldrich

    Synonym(s): Basic Violet 10; Brilliant Pink B; Rhodamine O; Tetraethylrhodamine Empirical Formula: C28H31ClN2O3 Linear Formula: C28H31ClN2O3 Formula Weight: 479.01 MDL Number: MFCD00011931 Purity:…

  • Ringer's Solution, lactate-buffered

    Alfa Aesar

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