Reagents, R, 1 kg, Chemicals
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Rhodamine 6G ; - ; 97-103% (Assay)
AFG BioscienceSynonyms: Basic Red 1CI 451602-[6-(Ethylamino)-3-(ethylimino)-2,7-dimethyl-3H-xanthene-9-yl]benzoic acid ethyl ester Grade: - Purity Limit: 97-103% (Assay) CAS No.: 989-38-8 Molecular Formula: C28H30N2O3·HCl Molecular Weight: 479.02 MDL No.: MFCD00012665 Appearance: Maroon to…
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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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Resorcinol, ReagentPlus®, 99%
MilliporeSigmaSynonyms: 1,3-Benzenediol Formula: C6H4-1,3-(OH)2 Formula Weight: 110.11 CAS No.: 108-46-3 Purity: 99% Legal Information: ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC Packaging: 1 kg in poly bottle Packaging: 100, 500 g in…
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Reactive Blue #4 (Procion Brilliant Blue MR), OR
Avantor - Macron Fine Chemicals™Formula: C23H14Cl2N6O8S2 Formula Weight: 637.44 CAS Number: 13324-20-4 Description: C.I. 61205
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(R)-(-)-Carvone, 98%
Thermo Scientific ChemicalsSynonym(s): (R)-(-)-5-Isopropenyl-2-methyl-2-cyclohexenone, (R)-(-)-p-Mentha-6,8-dien-2-one Formula: C10H14O Formula weight: 150.22 Purity: 98% CAS Number: 6485-40-1 Harmonized Tariff Code: 2914.29 Hazard Statements: H302-H227 Harmful if swallowed. Combustible liquid. …
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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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Resorcinol, 99%
Thermo Scientific ChemicalsSynonym(s): 1,3-Dihydroxybenzene, 1,3-Benzenediol Formula: C6H6O2 Formula weight: 110.11 Purity: 99% CAS Number: 108-46-3 UN Number: UN2876 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code: 2907.21 Hazard Statements: H302-H315-H319 Harmful if swallowed.…
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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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Rhodamine B
Thermo Scientific ChemicalsSynonym(s): Basic Violet 10, C.I. 45170 Formula: C28H31ClN2O3 Formula weight: 479.02 CAS Number: 81-88-9 Harmonized Tariff Code: 3204.13 Hazard Statements: H318-H351-H302 Causes serious eye damage. Suspected of causing cancer. Harmful if swallowed. Precautionary Statements: …
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Rhodamine B ; Dye content: >/= 80%
AFG BioscienceSynonyms: Rhodamine B chlorideBasic violet 10C.I. 45170 Purity Limit: Dye content: ≥ 80% CAS No.: 81-88-9 Molecular Formula: C28H31ClN2O3 Molecular Weight: 479.02 MDL No.: MFCD00011931 Appearance: Greenish powder Storage Temperature: Store at RT
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b-D-Ribofuranose 1,2,3,5-tetraacetate ; >/= 99.9%
AFG BioscienceSynonyms: 1,2,3,5-Tetra-o-acetyl-b-D-ribofuranose Purity Limit: ≥ 99.9% CAS No.: 13035-61-5 Molecular Formula: C13H18O9 Molecular Weight: 318.28 MDL No.: MFCD00005358 Appearance: White to off-white solid Melting Point: 78-85 ºC Optical Rotation: -13 ± 2 º Storage…
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(R)-(+)-1-(1-Naphthyl)ethylamine ; >/= 99% (HPLC)
AFG BioscienceSynonyms: (R)-(+)-a-Methyl-1-naphthalenemethylamine Purity Limit: ≥ 99% (HPLC) CAS No.: 3886-70-2 Molecular Formula: C12H13N Molecular Weight: 171.24 MDL No.: MFCD00064114 Appearance: Colorless to brown liquid Storage Temperature: Store at 0-8°C
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Rosin
Thermo Scientific ChemicalsCAS Number: 8050-09-7 Harmonized Tariff Code: 3806.10 Hazard Statements: H317 May cause an allergic skin reaction. Precautionary Statements: P261-P280-P363-P321-P333+P313-P501a Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye…
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Reactive Blue 4 ; - ; >/= 40% (Dye content)
AFG BioscienceSynonyms: CI 612051-Amino-4-[3-(4,6-dichlorotriazin-2-ylamino)-4-sulfophenylamino]anthraquinone-2-sulfonic acid Grade: - Purity Limit: ≥ 40% (Dye content) CAS No.: 13324-20-4 Molecular Formula: C23H14Cl2N6O8S2 Molecular Weight: 637.44 MDL No.: MFCD00001218 Appearance: Dark…
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(R)-(-)-4-Phenyl-2-oxazolidinone ; >/= 99% (HPLC)
AFG BioscienceSynonyms: (4R)-4-Phenyl-1,3-oxazolidin-2-one Purity Limit: ≥ 99% (HPLC) CAS No.: 90319-52-1 Molecular Formula: C9H9NO2 Molecular Weight: 163.18 MDL No.: MFCD00192393 Appearance: White to off-white crystalline powder Storage Temperature: Store at 0-8 °C
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Rose Bengal ; >/= 85% (Dye content)
AFG BioscienceSynonyms: 4,5,6,7-Tetrachloro-2',4',5',7'-tetraiodofluorescein disodium salt Purity Limit: ≥ 85% (Dye content) CAS No.: 632-69-9 Molecular Formula: C20H2Cl4I4Na2O5 Molecular Weight: 1,017.62 MDL No.: MFCD00151169 Appearance: Dark red powder Storage Temperature: Store at RT
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(-)-Riboflavin ; USP/BP/EP/FCC ; 98.0-102.0% (Assay)
AFG BioscienceSynonyms: Vitamin B2Lactoflavin Grade: USP/BP/EP/FCC Purity Limit: 98.0-102.0% (Assay) CAS No.: 83-88-5 Molecular Formula: C17H20N4O6 Molecular Weight: 376.4 MDL No.: MFCD00005022 Appearance: Orange crystalline powder Comments: [a]21 -114.9°, c = 0.5 in 0.1N NaOH in…
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Rose Bengal Certified ; >/= 90% (Dye content)
AFG BioscienceSynonyms: Acid Red 9 CI 45440 Purity Limit: ≥ 90% (Dye content) CAS No.: 632-69-9 Molecular Formula: C20H2Cl4I4Na2O5 Molecular Weight: 1,017.62 MDL No.: MFCD00151169 Appearance: Dark red powder Storage Temperature: Store at RT
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Synonyms: (R)-(+)-tert-Butyl sulfinamide(R)-2-Methylpropane-2-sulfinamide(R)-tert-Butanesulfinamide Purity Limit: ≥ 99% (HPLC, Chiral purity) CAS No.: 196929-78-9 Molecular Formula: C11H11NO2 Molecular Weight: 121.2 MDL No.: MFCD05861479 Appearance: White to off-white…