Reagents, R

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Reagents, R

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  • SIGMA Rofecoxib >=98% (HPLC)

    MilliporeSigma

    Synonym(s): 4-[4-(Methylsulfonyl)phenyl]-3-phenyl-2(5H)-furanone Empirical Formula: C17H14O4S Linear Formula: C17H14O4S Formula Weight: 314.36 Purity: ≥98% (HPLC) Storage: 2-8°C

  • SIGMA RLC 27

    MilliporeSigma

    Storage: −196°C

  • Risperidone impurity K

    MilliporeSigma

    European Pharmacopoeia (EP) Reference Standard Synonym(s): 3-[2-[4-(1,2-Benzisoxazol-3-yl)piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydro-4 H -pyrido[1,2- a ]pyrimidin-4-one; Desfluoro risperidone Empirical Formula: C23H28N4O2 Formula Weight: …

  • Reserpine crystallized, =99.0% (HPLC)

    MilliporeSigma

    Synonym: (3β, 16β, 17α, 18β, 20α)-11,17-Dimethoxy-18-[(3,4,5-trimethoxybenzoyl)oxy]yohimban-16-carboxylic acid methyl ester CAS Number: 50-55-5 Empirical Formula (Hill Notation): C33H40N2O9 Molecular Weight:…

  • ALDRICH (1R,2R)-(-)-trans-1-Amino-2-indanol, 97%

    MilliporeSigma

    Empirical Formula: C9H11NO Linear Formula: C9H11NO Formula Weight: 149.19 MDL Number: MFCD08275447 Purity: 97% Melting Point: 142-146 °C

  • ALDRICH D-(-)-Ribose, 98%

    MilliporeSigma

    Formula: C5H10O5 Formula Weight: 150.13 CAS No.: 50-69-1 Purity: 98% Packaging: 10, 25, 100 g in poly bottle

  • ROCHE RNase A, from bovine pancreas

    MilliporeSigma

    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) …

  • Reid Vapour Pressure Standard

    MilliporeSigma

    ASTM D 4953A, 323A (84.41 kPa) Storage: 2-8°C

  • "Rapeseed (S, total glucosinolate)"

    MilliporeSigma

    ERM ® certified Reference Material, high level Storage: 2-8°C

  • ALDRICH (1R,2S)-trans-2-(Fmoc-aminomethyl)cyclohexanol, 97%

    MilliporeSigma

    Empirical Formula: C22H25NO3 Linear Formula: C22H25NO3 Formula Weight: 351.44 MDL Number: MFCD15144743 Purity: ≥96.5% (GC); 97% Storage: 2-8°C

  • ALDRICH (R)-(+)-1-Phenyl-1-butanol, 97%

    MilliporeSigma

    Empirical Formula: C10H14O Linear Formula: CH3CH2CH2CH(C6H5)OH Formula Weight: 150.22 MDL Number: MFCD00004575 Purity: 97% Boiling Point: 115 °C/14 mmHg(lit.) Melting Point: 44-46 °C(lit.)

  • SIGMA Reactive Red 120

    MilliporeSigma

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

  • Retinyl acetate

    MilliporeSigma

    pharmaceutical secondary standard; traceable to USP and PhEur Synonym(s): Vitamin A acetate; Retinol acetate; Vitamin A acetate Empirical Formula: C22H32O2 Formula Weight: 328.49 Linear Formula: C22H32O2 MDL Number: …

  • Rhenium AA Standard

    Ultra Scientific

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

  • ALDRICH (2R,5R)-(+)-5-Benzyl-3-methyl-2-(5-methyl-2-furyl)-4-imidazolidinone, 97…

    MilliporeSigma

    Empirical Formula: C16H18N2O2 Linear Formula: C16H18N2O2 Formula Weight: 270.33 MDL Number: MFCD08457654 Purity: 97% Refractive Index: n 20/D 1.5598

  • SIGMA Ruscoponticoside C >=95% (LC/MS-ELSD)

    MilliporeSigma

    Empirical Formula: C38H58O12 Linear Formula: C38H58O12 Formula Weight: 706.86 Purity: ≥95% (LC/MS-ELSD) Storage: −20°C

  • Ribonuclease A from bovine pancreas salt-free, lyophilized powder

    MilliporeSigma

    Synonym: Pancreatic Ribonuclease, RNase A, Ribonuclease I, Ribonucleate 3′-pyrimidinooligonucleotidohydrolase CAS Number 9001-99-4   EC Number 232-646-6   Enzyme Commission (EC) Number 3.1.27.5  ( BRENDA IUBMB )  MDL number MFCD00132181 …

  • Reagent Set, Ultra Low Chlorine

    Hach

    Includes: ULR Chlorine Buffer Solution (1.5-mL ampules), DPD Indicator Solution for ULR Chlorine (1.5-mL ampules), Blanking Reagent for ULR Chlorine Spectrophotometric method is USEPA accepted for drinking water and wastewater analysis Range: up to 500.0 µg/L as Cl2 Sample Size: 50…

  • 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 (R)-Ru(OAc)2(SEGPHOS®)

    MilliporeSigma

    Synonym(s): Diacetato[( R )-5,5'-bis(diphenylphosphino)-4,4'-bi-1,3-benzodioxole]ruthenium(II) Empirical Formula: C42H34O8P2Ru Linear Formula: C42H34O8P2Ru Formula Weight: 829.73 MDL Number: …

  • (R)-(+)-a-Methoxy-a-trifluoromethylphenylacetic acid

    MilliporeSigma

    for chiral derivatization, ≥99.0% Synonym(s): (+)-a-methoxy-a-trifluoromethylphenyleacetyl chloride; (+)-MTPA; Mosher's acid Empirical Formula: C10H9F3O3 Formula Weight: 234.17 Linear Formula: …

  • SIGMA L-Rhamnose monohydrate >=99%

    MilliporeSigma

    Synonym(s): 6-Deoxy-L-mannose; L(+)Rhamnopyranose Empirical Formula: C6H12O5 -+ H2O Linear Formula: C6H12O5 -+ H2O Formula Weight: 182.17 MDL Number: MFCD00071591 Purity: ≥99% Beilstein…

  • ALDRICH (1R,2R)-(-)-N-p-Tosyl-1,2-cyclohexanediamine, 97%

    MilliporeSigma

    Synonym(s): (−)-TsCYDN; N -Toluenesulfonyl-(1 R ,2 R )-(−)-1,2-diaminocyclohexane Empirical Formula: C13H20N2O2S Linear Formula: C13H20N2O2S Formula Weight: 268.38 MDL Number: …

  • 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…

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  • Rifamycin S

    MilliporeSigma

    European Pharmacopoeia (EP) Reference Standard Synonym(s): 1,4-Dideoxy-1,4-dihydro-1,4-dioxorifamycin Empirical Formula: C37H45NO12 Formula Weight: 695.75 Linear Formula: C37H45NO12

  • ALDRICH (R)-2-(Methoxydiphenylmethyl)pyrrolidine, 95% (HPLC)

    MilliporeSigma

    Empirical Formula: C18H21NO Linear Formula: C18H21NO Formula Weight: 267.37 MDL Number: MFCD09750441 Purity: 95% (HPLC) Storage: 2-8°C

  • Rosuvastatin calcium =98% (HPLC)

    MilliporeSigma

    Synonym: (E)-7-[4-(4-Fluorophenyl)-6-isopropyl-2-[methyl(methylsulfonyl)amino]pyrim idin-5-yl]-(3R,5S)-3,5-dihydroxyhept-6-enoic acid, calcium salt (2:1), Rosuvastatin hemicalcium CAS Number: 147098-20-2 Empirical Formula (Hill Notation): …

  • ALDRICH (R)-Boc-3-(2-naphthyl)-B-Ala-OH, >=98.0% (HPLC)

    MilliporeSigma

    Synonym(s): ( R )-3-(Boc-amino)-3-(2-naphthyl)propionic acid; L-Boc-3-(2-naphthyl)-β-alanine Empirical Formula: C18H21NO4 Linear Formula: C18H21NO4 Formula Weight: 315.36 MDL Number: MFCD03427953 Purity: …

  • SIGMA Rp-8-Bromo-B-phenyl-1,N2-ethenoguanosine 3',5'-cyclic monophosphorothioate…

    MilliporeSigma

    Synonym(s): Rp-β-Phenyl-1,N 2 -etheno-8-bromoguanosine 3',5'-cyclic monophosphorothioate sodium salt; Rp-8-Br-PET-cGMPS Empirical Formula: C18H14BrN5NaO6PS Linear Formula: C18H14BrN5NaO6PS Formula…

    =98% (HPLC), powder"}' data-compare-data="">
  • SIGMA Reticulum TISSUE-TROL™ Control Slides

    MilliporeSigma

  • ALDRICH (R)-1-[(SP)-2-(Dicyclohexylphosphino)ferrocenylethyl]diphenylphosphine, …

    MilliporeSigma

    Synonym(s): (1 R )-1-(Dicyclohexylphosphino)-2-[(1 R )-1-(diphenylphosphino)ethyl]ferrocene (acc to CAS); Josiphos SL-J004-1 Empirical Formula: C36H44FeP2 Linear Formula: C36H44FeP2 Formula Weight: 594.53 MDL Number: …

  • SIGMA Retrorsine >=90% (HPLC)

    MilliporeSigma

    Synonym(s): β-Longilobine; 12,18-Dihydroxysenecionan-11,16-dione Empirical Formula: C18H25NO6 Linear Formula: C18H25NO6 Formula Weight: 351.39 Purity: ≥90% (HPLC) Melting Point: 208-211 °C(lit.)

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