Reagents, R, 25 g
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Resorcinol
MP BiomedicalsResorcinol is an aromatic alcohol used in large scale processes such as tanning, the manufacture of resins and resin adhesives, the production of hexylresorcinol and p-aminosalicylic acid, and the dyeing and printing of textiles.
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Rifampicin
bioWORLDRifampicin is a bright red or dark red crystalline, odorless powder broad spectrum antibiotic. USP grade 3-(4-Methylpiperazinyliminomethyl)rifamycin SV Soluble in dilute acid solution and DMSO Harmful if swallowed For in vitro and lab reserach use only, not intended for human use or consumption.
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(+)-Rutin trihydrate, 97%
Thermo Scientific ChemicalsSynonym(s): Quercetin-3-rutinoside, Vitamin P Formula: C27H30O16 3H2O Formula weight: 664.58 (610.52anhy) Purity: 97% CAS Number: 250249-75-3 Harmonized Tariff Code: 2938.10
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L-Rhamnose monohydrate, 98% (HPLC)
AFG BioscienceCAS # 6155-35-7 Synonyms: 6-Deoxy-L-mannose monohydrate MDL No.: MFCD00071591 Melting Point: 88-96 °C Molecular Formula: C6H12O5·H2O Molecular Weight: 182.17 Optical Rotation: [a]D20 = +9 ± 2º (C=10% in H2O) Purity Limit: 98% (HPLC) Storage Temp: Store at RT Appearance: White…
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Rubidium carbonate, Puratronic r, 99.975% (metals basis)
Thermo Scientific ChemicalsFormula: CO3Rb2 Formula weight: 230.95 Purity: 99.975% (metals basis) CAS Number: 584-09-8 Harmonized Tariff Code: 2836.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …
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Rhodamine 6G
Thermo Scientific ChemicalsSynonym(s): Basic Red 1, C.I. 45160 Formula: C28H31ClN2O3 Formula weight: 479.02 CAS Number: 989-38-8 Harmonized Tariff Code: 3204.13 Hazard Statements: H301 Toxic if swallowed. Precautionary Statements: P264-P270-P301+P310-P321-P405-P501a Wash thoroughly after handling. Do…
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Rhodanine
GFS ChemicalsThe GFS Chemicals rhodanine is mainly used in research facilities and chemical laboratories to conduct wide range of experiments. It is available in sturdy bottle that endures heavy and rigorous usage. Application: For Professional, Scientific and Technical Activities: other Professional,…
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(R)-(-)-2-Amino-1-butanol, 98%
Thermo Scientific ChemicalsFormula: C4H11NO Formula weight: 89.14 Purity: 98% CAS Number: 5856-63-3 UN Number: UN2735 Hazard Class: 8 Packing Group: III Harmonized Tariff Code: 2922.19 Hazard Statements: H314-H318-H302-H227 Causes severe skin burns and eye damage. Causes serious eye damage. Harmful…
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p-Rosolic acid, Dye content 85 %
MilliporeSigmaCAS 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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Riboflavin, 98%
Thermo Scientific ChemicalsSynonym(s): Vitamin B2 Formula: C17H20N4O6 Formula weight: 376.37 Purity: 98% CAS Number: 83-88-5 Harmonized Tariff Code: 2936.23
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Rubidium carbonate, 99%
Thermo Scientific ChemicalsFormula: CO3Rb2 Formula weight: 230.95 Purity: 99% CAS Number: 584-09-8 Harmonized Tariff Code: 2836.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …
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Riboflavin
MP BiomedicalsA vitamin/enzyme cofactor found in milk, eggs, malted barley, liver, kidney, heart, leafy vegetables. Richest natural source is yeast. Occurs in the free form only in the retina of the eye, in whey, and in urine; bioactive forms occurring in tissues and cells are riboflavin monophosphate and…
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Ruthenium(III) nitrosylnitrate, Ru 31.3% min
Thermo Scientific ChemicalsFormula: N4O10Ru Formula weight: 317.09 CAS Number: 34513-98-9 UN Number: UN1477 Hazard Class: 5.1 Packing Group: II Harmonized Tariff Code: 2843.90 Hazard Statements: H272-H314-H318-H290 May intensify fire; oxidizer. Causes severe skin burns and eye damage. Causes serious…
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Rink amide AM resin (with Nle)
AFG BioscienceSynonyms: 4-(2',4'-Dimethoxyphenyl-Fmoc-aminomethyl)phenoxyacetamidonorleucylaminomethyl resin MDL No.: MFCD01656037 Appearance: Yellow Comments: Excellent resin for the synthesis of peptide amides using Fmoc strategy. Cleavage can be effected by 95% TFA. DVB: 1% DVB Mesh Size: …
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Ruthenium powder, -22 mesh, Premion r, 99.98% (metals basis excluding Ca), Ca…
Thermo Scientific ChemicalsPurity: 99.98% (metals basis excluding Ca), Ca 100ppm max CAS Number: 7440-18-8 UN Number: UN3089 Hazard Class: 4.1 Packing Group: III Harmonized Tariff Code: 7110.41 Hazard Statements: H228 Flammable solid. Precautionary Statements: P210-P280-P240-P241-P370+P378a Keep away…
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(R)-(+)-4-Benzyl-2-oxazolidinone ; >/= 99% (HPLC)
AFG BioscienceSynonyms: (4R)-4-Benzyl-1,3-oxazolidin-2-one Purity Limit: ≥ 99% (HPLC) CAS No.: 102029-44-7 Molecular Formula: C10H11NO2 Molecular Weight: 177.2 MDL No.: MFCD00010846 Appearance: White to off-white crystalline powder Storage Temperature: Store at 0-8 °C
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Ranitidine hydrochloride, 99%
Thermo Scientific ChemicalsFormula: C13H22N4O3S HCl Formula weight: 350.86 Purity: 99% CAS Number: 66357-59-3 Harmonized Tariff Code: 2932.19
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Rose Bengal
Thermo Scientific ChemicalsSynonym(s): Acid Red 94, C.I. 45440 Formula: C20H2Cl4I4Na2O5 Formula weight: 1017.65 CAS Number: 632-69-9 Harmonized Tariff Code: 3204.12 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…
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Rubidium chloride, 99% (metals basis)
Thermo Scientific ChemicalsFormula: RbCl Formula weight: 120.92 Purity: 99% (metals basis) CAS Number: 7791-11-9 Harmonized Tariff Code: 2827.39
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Rifampin, Molecular Biology Reagent
Thermo Scientific ChemicalsSynonym(s): Rifampicin Formula: C43H58N4O12 Formula weight: 822.94 CAS Number: 13292-46-1 Harmonized Tariff Code: 2941.90 Hazard Statements: H302-H315-H319-H335 Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …
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Rink amide resin(0.3-0.8 meq/g, 200-400 mesh)
AFG BioscienceSynonyms: 4-(2',4'-Dimethoxyphenyl-Fmoc-aminomethyl)phenoxy resin2',4'-Di-CH3O-Ph-CH(NH-Fmoc)-Ph-4-OCH2-polystyrene MDL No.: MFCD00801462 Appearance: Pale white or slight yellow beads Comments: Product is an excellent tool for SPPS of peptide amines utilizing Fmoc-protected amino acids.…
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Rubrene, 97%
Thermo Scientific ChemicalsSynonym(s): 5,6,11,12-Tetraphenylnaphthacene Formula: C42H28 Formula weight: 532.68 Purity: 97% CAS Number: 517-51-1 Harmonized Tariff Code: 2902.90
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(R)-(+)-Propylene oxide, 99%
Thermo Scientific ChemicalsSynonym(s): (R)-1,2-Epoxypropane, (R)-Methyloxirane Formula: C3H6O Formula weight: 58.08 Purity: 99% CAS Number: 15448-47-2 UN Number: UN1280 Hazard Class: 3 Packing Group: I Harmonized Tariff Code: 2910.20 Hazard Statements: H224-H340-H350-H302-H312-H332-H315-H319-H335…
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Rubidium hydroxide hydrate, 99% (metals basis)
Thermo Scientific ChemicalsFormula: HORb xH2O Formula weight: 102.48(anhy) Purity: 99% (metals basis) CAS Number: 12026-05-0 UN Number: UN2678 Hazard Class: 8 Packing Group: II Harmonized Tariff Code: 2825.90 Hazard Statements: H301-H314-H318 Toxic if swallowed. Causes severe skin burns and eye…
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Ruthenium, 5% on activated carbon powder, reduced
Thermo Scientific ChemicalsCAS Number: 7440-18-8 UN Number: UN1362 Hazard Class: 4.2 Packing Group: III Harmonized Tariff Code: 3815.12 Hazard Statements: H228-H252-H315-H319-H335 Flammable solid. Self-heating in large quantities; may catch fire. Causes skin irritation. Causes serious eye irritation. May…