Reagents, R

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Reagents, R

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  • SIAL (−)-Riboflavin


    meets USP testing specifications Synonym(s): Lactoflavin; Vitamin B2; Vitamin G Empirical Formula: C17H20N4O6 Formula Weight: 376.36 Linear Formula: C17H20N4O6 MDL Number: MFCD00005022…

  • CAS No.: 14898-67-0 UN No.: UN1759 Class: 8 Pkg. Group: PG III

  • 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: …

  • Synonyms: 1,3-Benzenediol Formula: C6H4-1,3-(OH)2 Formula Weight: 110.11 CAS No.: 108-46-3 Purity: 99% Legal Information: ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC Packaging: 1 kg in poly bottle Packaging: 100, 500 g in…

  • Reactive Green 5

    Spectrum Chemical

    CAS No.: 12225-74-0

  • Synonym(s): RGA; denatured alcohol

  • Ruthenium AA Standard

    Ultra Scientific

    1 Analyte(s) @ 1000 µg/mL in water with dilute hydrochloric acid

  • Specific Activity: 50 U/mg ((+25°C, RNA as substrate)) Storage: 2-8°C UNSPSC Code: 12352200 RIDADR: NONH for all modes of transport Application: • For analytical purposes • Isolation of DNA (for this purpose, RNase A should be boiled) …

  • Rhodamine B base


    analytical standard Synonym(s): Solvent Red 49 Empirical Formula: C28H30N2O3 Formula Weight: 442.55 Linear Formula: C28H30N2O3 MDL Number: MFCD00066967 Purity: ≥97.0% (HPLC)

  • Riboflavin, USP

    Spectrum Chemical

    Grade: USP CAS No.: 83-88-5

  • Synonym(s): ( R )-2,5-Dimethoxy-3-isopropyl-3,6-dihydropyrazine Empirical Formula: C9H16N2O2 Linear Formula: C9H16N2O2 Formula Weight: 184.24 MDL Number: MFCD00040565 Purity: ≥97.0% (GC) …

  • Synonyms: Axerophthol; Vitamin A; Vitamin A alcohol; 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 Formula: C20H30O Formula Weight: 286.45 Linear Formula: C20H30O MDL No.: MFCD00001552 Purity: >=95% (HPLC) …

  • 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…

  • Synonym(s): Dirhenium heptoxide; Dirhenium heptoxide; Rhenium heptoxide Formula: Re2O7 Formula Weight: 484.41 CAS No.: 1314-68-7 UN Number: UN3260 Purity: ≥99.9% trace metals basis Density: 6.103g/mLat 25°C(lit.) Application: Reagents used…

  • Formula: Mixture Description: Typical Composition (g/L): Peptones 8.0; sodium chloride 5.0; sodium deoxycholate 1.0; chromogenic mix 1.5; propylene glycol 10.5; agar-agar 15.0. Application: For identifying Salmonella in foodstuffs.

  • 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

  • Synonym(s): Rh2(TPA)4; Rh2(triphenylacetate)4; Rhodiumtriphenylacetate; Tetrakis(triphenylacetato)dirhodium(II) Empirical Formula: C80H60O8Rh2 -+ CH2Cl2 Linear Formula: …

  • R2A Agar, Granulated


    Formula: Mixture Description: Typical Composition (g/L): Yeast extract 0.5; proteose peptone 0.5; casein hydrolysate 0.5; glucose 0.5; soluble starch 0.5; sodium pyruvate 0.3; di-potassium hydrogen phosphate 0.3; magnesium sulfate 0.05; agar-agar 12.0. Application: For the determination…

  • RNase Erase™ removes Rnase contamination from glass, plastic, pipettes and equipments that must be Rnase free. RNase Erase™ was formulated using three ingredients known to be active against RNase. It effectively removes high levels of RNase contamination that similar products…

  • Synonym(s): Rosiglitazone; 5-[[4-[2-(Methyl-2-pyridinylamino)ethoxy]phenyl]methyl]-2,4-thiazolidinedione Empirical Formula: C18H19N3O3S Linear Formula: C18H19N3O3S Formula Weight: 357.43 MDL Number: …

  • for microbiology

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

  • SIGMA Resorufin 95%


    Synonym(s): 7-Hydroxy-3 H -phenoxazin-3-one; NSC 12097 Empirical Formula: C12H7NO3 Linear Formula: C12H7NO3 Formula Weight: 213.19 MDL Number: MFCD00128991 Purity: ≥95.0% (HPLC); 95% Melting Point: >300…

  • Empirical Formula: C10H12O2 Linear Formula: CH3CH2CH(C6H5)CO2H Formula Weight: 164.20 MDL Number: MFCD00063165 Purity: 99% Boiling Point: 102-104 °C/0.4 mmHg(lit.) Density: …

  • Synonym(s): Decontamination reagent for RNase MDL Number: MFCD01868420 Density: 1.000 g/mL at 20 °C Storage: room temp

  • Reflectoquant® Check Set


  • MDL Number: MFCD00213041 Storage: −20°C; −20°C

  • Raffinose, Pentahydrate

    Spectrum Chemical

    CAS No.: 17629-30-0

  • Formula: Cl3Ru Formula weight: 207.43 CAS Number: 10049-08-8 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 damage. Causes serious eye damage. May be corrosive to…

  • 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…

  • 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

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