Reagents, R, Chemicals, 25 g
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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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Rhodanine, 98+%
Thermo Scientific ChemicalsSynonym(s): 4-Thiazolidinone-2-thione, 2-Thioxo-4-thiazolidinone Formula: C3H3NOS2 Formula weight: 133.19 Purity: 98+% CAS Number: 141-84-4 Harmonized Tariff Code: 2934.10 Hazard Statements: H318-H302 Causes serious eye damage. Harmful if swallowed. Precautionary Statements: …
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Synonyms: Rink amide MBHA resin (with Nle) MDL No.: MFCD00165781 Appearance: Pale white or slight yellow beads DVB: 1% DVB Mesh Size: 200-400 Storage Temperature: Store at 0-8 °C Substitution: 0.3-0.8 meq/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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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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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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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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(+)-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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(R)-(-)-1-Phenyl-1,2-ethanediol
AFG BioscienceSynonyms: (-)-Styrene glycol (R)-(-)-Phenylethylene glycol CAS No.: 16355-00-3 Molecular Formula: C8H10O2 Molecular Weight: 138.17 MDL No.: MFCD00064262 Storage Temperature: Store at 0-8°C
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Ruthenium, 5% on alumina powder
Thermo Scientific ChemicalsCAS Number: 7440-18-8 Harmonized Tariff Code: 3815.12
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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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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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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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(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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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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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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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 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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Rhodanine-3-acetic acid, 98%
Thermo Scientific ChemicalsSynonym(s): 2-Thioxo-4-thiazolidinone-3-acetic acid, (4-Oxo-2-thioxothiazolidin-3-yl)acetic acid Formula: C5H5NO3S2 Formula weight: 191.23 Purity: 98% CAS Number: 5718-83-2 Harmonized Tariff Code: 2934.10 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious…
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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…