Chemicals Reagents R

Chemicals Reagents R

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  • Residual Solvents Class 2 - Mixture A United States Pharmacopeia (USP) Reference Standard

    This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and...

  • SIGMA Retrorsine >=90% (HPLC)

    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.)

  • Rebaudioside A

    MilliporeSigma

    Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards. Synonyms:...

  • ALDRICH Rubidium iodide, 99.9% trace metals basis

    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.)

  • SIGMA R(-)-Denopamine >=98% (HPLC), powder

    Synonym(s): (−)-α-(3,4-Dimethoxyphenethylaminomethyl)-4-hydroxy-¡benzyl-¡alcohol Empirical Formula: C18H23NO4 Linear Formula: C18H23NO4 Formula Weight: 317.38 MDL Number: MFCD00867122 Purity: ≥98% (HPLC) Storage:...

  • Rifampin Pharmaceutical Secondary Standard

    Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards Synonyms: Rifampicin; 3-(4-Methylpiperazinyliminomethyl)rifamycin SV; Rifampin;...

  • Recombinant 2019-nCoV Spike S1 Protein with hFc and His tag

    The spike protein (S) of coronavirus (CoV) attaches the virus to its cellular receptor, angiotensin-converting enzyme 2 (ACE2). A defined receptor-binding domain (RBD) on S mediates thisinteraction.The S protein plays key parts in the induction of neutralizing-antibody and T-cellresponses, as well...

  • SIGMA Resorufin B-D-glucopyranoside >=90%

    Synonym(s): 3-Phenoxazone 7-(β-D-glucopyranoside) Empirical Formula: C18H17NO8 Linear Formula: C18H17NO8 Formula Weight: 375.33 MDL Number: MFCD00037662 Purity: ≥90% Storage: −20°C Beilstein Registry Number:...

  • ALDRICH (R)-1-[(SP)-2-(Diphenylphosphino)ferrocenyl]ethyldi(3,5-xylyl)phosphine, >=97%

    Synonym(s): (2 R )-1-[(1 R )-1-[Bis(3,5-dimethylphenyl)phosphino]ethyl]-2-(diphenylphosphino)ferrocene (acc to CAS); Josiphos SL-J005-1 Empirical Formula: C40H40FeP2 Linear Formula: C40H40FeP2 Formula Weight: 638.54 Purity: ≥97%

  • Rhenium Standard for ICP

    TraceCERT ® , 1000 mg/L Re in nitric acid RIDADR: UN 3264 8 / PGIII

  • Riedel-de Haen Rinsing Solution I rinsing agent for LC-MS, CHROMASOLV™ (rinsing agent for LC-MS)

    Storage condition: Room Temperature UN Number: UN1219 Package Type: Glass Bottle C.A.S. Number 1: 67-63-0 Density (g/cm3): 1.14 Chemical synonyms: Isopropanol; 2-Propanol/Water 50/50 (v/v); Water/2-Propanol 50/50 (v/v); 2-Propanol solution; IPA; Isopropyl alcohol Material category: Solvents Material...

  • ALDRICH (R)-(+)-1-Benzyl-3-pyrrolidinol, 98%

    Empirical Formula: C11H15NO Linear Formula: C11H15NO Formula Weight: 177.24 MDL Number: MFCD00075484 Purity: 98% Boiling Point: 116 °C/0.9 mmHg(lit.) Density: 1.07 g/mL at 25 °C(lit.) Refractive Index: n 20/D...

  • Redox standard 600 mV

    MilliporeSigma

    The value is the potential of a platinum electrode versus an Ag/AgCl reference in 3M potassium chloride Storage: 2-8C

  • ALDRICH (R)-(+)-1,2-Bis(diphenylphosphino)propane, 98%

    Synonym(s): ( R )-PROPHOS Empirical Formula: C27H26P2 Linear Formula: (C6H5)2PCH(CH3)CH2P(C6H5)2 Formula Weight: 412.44 MDL Number: MFCD00012309 Purity: 98% Melting Point:...

  • SIGMA RPMI-1640 Medium, Hybri-Max™, Modified, with L-glutamine, 4500 mg/L glucose and 15mM HEPES, without sodium bicarbonate, powder, suitable for hybridoma

    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 that...

  • SIGMA Relaxin-2 human recombinant, expressed in E. coli, >=98% (SDS-PAGE), >=98% (HPLC), cell culture tested

    Synonym(s): H2 relaxin; RLN2 Purity: ≥98% (HPLC); ≥98% (SDS-PAGE) Storage: −20°C

  • ALDRICH Rink amide 4-methylbenzhydrylamine, polymer-bound, extent of labeling: ~0.5mmol/g loading

    Synonym(s): 4-(2',4'-Dimethoxyphenyl-Fmoc-aminmethyl)-phenoxyacetamido-methylbenzhydryl amine resin; Rink amide MBHA resin MDL Number: MFCD00165781 Storage: 2-8°C

  • SIGMA Rifapentine

    MilliporeSigma

    Synonym(s): DL 473 Empirical Formula: C47H64N4O12 Linear Formula: C47H64N4O12 Formula Weight: 877.03 Purity: ≥93% Storage: 2-8°C

  • SIGMA Rifaximin

    MilliporeSigma

    Synonym(s): 4-Deoxy-4'-methylpyrido[1',2'-1,2]imidazo[5,4- c ]rifamycin SV; Rifacol Empirical Formula: C43H51N3O11 Linear Formula: C43H51N3O11 Formula Weight: 785.88 MDL Number: MFCD00864973 Storage: 2-8°C

  • Rink Amide MBHA resin (100-200 mesh) Novabiochem®

    This support comprises the modified Rink amide linker attached via norleucine to MBHA resin, and is an ideal tool for the Fmoc SPPS of peptide amides. Cleavage from this resin can be effected by a single step treatment with 95% TFA, providing peptide amides in high yields and purities.The product...

  • ALDRICH (11bR)-(-)-4,4-Dibutyl-4,5-dihydro-2,6-bis(3,4,5-trifluorophenyl)-3H-dinaphth[2,1-c:1',2'-e]azepinium bromide, Nagase purity

    Empirical Formula: C42H36BrF6N Linear Formula: C42H36BrF6N Formula Weight: 748.64 MDL Number: MFCD09264271 Melting Point: 223-228 °C

  • SIGMA R-(-)-Fluoxetine hydrochloride >98% (HPLC), solid

    Synonym(s): ( R )- N -Methyl-3-phenyl-3-[4-(trifluoromethyl)phenoxy]propylamine hydrochloride Empirical Formula: C17H18NOF3 -+ HCl Linear Formula: C17H18NOF3 -+ HCl Formula Weight: 345.79 MDL Number: MFCD04040065 Purity: >98%...

  • ROCHE RNase, DNase-free, from bovine pancreas

    Specific Activity: ≥30 units/mg protein Storage: −20°C UNSPSC Code: 41105600 RIDADR: NONH for all modes of transport Application: RNase, DNase-free, efficiently removes contaminating RNA from plasmid or genomic DNA preparations. General description: Pyrimidine-specific...

  • Renal Epithelial Cell Growth Medium 2 SupplementPack containing all media supplements as individual vials, 1 Pack for 500 ml

    Renal Epithelial Cell Growth Medium 2 SupplementPack (basal medium sold separately) Storage: -20C Application: Renal Epithelial Cell Growth Medium 2 is an optimized low-serum (5% V/V) medium that additionally contains Epinephrine. The combination of low serum and selected growth factors ensures...

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