Reagents, R, 25 g, Chemicals
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(R)-(+)-Styrene oxide, 98%
Thermo Scientific ChemicalsSynonym(s): (R)-(+)-Epoxystyrene, (R)-(+)-2-Phenyloxirane Formula: C8H8O Formula weight: 120.15 Purity: 98% CAS Number: 20780-53-4 UN Number: UN2810 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code: 2910.90 Hazard Statements: H350-H312-H319-H227 May cause…
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Synonym(s): Lactoflavin; Vitamin B2; Vitamin G Formula: C17H20N4O6 Formula Weight: 376.36 CAS No.: 83-88-5 Purity: ≥98%
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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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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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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(0.3-1.2 meq/g, 100-200 mesh)
AFG BioscienceSynonyms: 4-(2',4'-Dimethoxyphenyl-Fmoc-aminomethyl)phenoxyacetamidoaminomethyl resin MDL No.: MFCD01656036 Appearance: Pale white or slight yellow beads Comments: Excellent resin for the synthesis of peptide amides using Fmoc strategy. Cleavage can be effected by 95% TFA. DVB: 1% DVB …
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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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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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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…
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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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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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(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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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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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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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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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, meets USP testing specifications
MilliporeSigmaSynonyms: Lactoflavin; Vitamin B2; Vitamin G Formula: C17H20N4O6 Formula Weight: 376.36 CAS No.: 83-88-5
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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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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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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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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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(+)-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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Riboflavin, 98%, Electrophoresis Grade
Thermo Scientific ChemicalsSynonym(s): Vitamin B2 Formula: C17H20N4O6 Formula weight: 376.37 Purity: 98%, Electrophoresis Grade CAS Number: 83-88-5 Harmonized Tariff Code: 2936.23