Reagents, R, 250 g
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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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Synonyms: (R)-4-Hydroxydinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-oxide(R)-(-)-1,1'-binaphthalene-2,2'-diyl hydrogen phosphate Purity Limit: ≥ 99% (HPLC) CAS No.: 39648-67-4 Molecular Formula: C20H13O4P Molecular Weight: 348.29 MDL No.: MFCD00010045 Appearance: White…
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Rubidium nitrate, 99.8% (metals basis)
Thermo Scientific ChemicalsFormula: RbNO3 Formula weight: 147.47 Purity: 99.8% (metals basis) CAS Number: 13126-12-0 UN Number: UN1477 Hazard Class: 5.1 Packing Group: III Harmonized Tariff Code: 2834.29 Hazard Statements: H272-H315-H319 May intensify fire; oxidizer. Causes skin irritation. Causes…
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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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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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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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Resorcinol Gr For Analysis
MilliporeSigmaFormula: C6H4(OH)2 CAS No.: 108-46-3 pH: 4 - 6 (100 g/l, H2O, 20°C) Solubility: 1000 g/l (20°C) Melting Point: 109 - 111°C Molar Mass: 110.11 g/mol Bulk Density: 600 - 700 kg/m3 Boiling Point: 281°C (1013 hPa) Vapor Pressure: 0.1 hPa (20°C) Flash Point: 171°C Explosion…
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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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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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Rifampicin ; USP ; 97.0-103.0% (HPLC)
AFG BioscienceSynonyms: 3-(4-Methylpiperazinyliminomethyl)rifamycin SVRifampinRifamycin AMP Grade: USP Purity Limit: 97.0-103.0% (HPLC) CAS No.: 13292-46-1 Molecular Formula: C43H58N4O12 Molecular Weight: 823 MDL No.: MFCD00151389 Appearance: Brownish-red crystalline powder Comments: …
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Riboflavin, Vitamin B2
bioWORLDInvolved in FMN and FAD synthesis Riboflavin provides protection against oxidative damage Technical Information: High Purity Grade Specific rotation: +56.5 to +59.5º Moisture: <1.5% Ash: <0.3% Lumiflavin: <0.025% Appearance: Yellow to orange/yellow…
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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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(R)-1-Amino-2-propanol ; >/= 98%
AFG BioscienceSynonyms: (-)-Isopropanolamine Purity Limit: ≥ 98% CAS No.: 2799-16-8 Molecular Formula: C3H9NO Molecular Weight: 75.11 MDL No.: MFCD00064428 Appearance: White crystals or colorless oily liquid Boiling Point: 156-163 °C Melting Point: 22-28 °C Optical Rotation: [a]D20…
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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)-3-Hydroxypyrrolidine ; >/= 98% (GC)
AFG BioscienceSynonyms: (R)-Pyrrolidin-3-ol Purity Limit: ≥ 98% (GC) CAS No.: 2799-21-5 Molecular Formula: C4H9NO Molecular Weight: 87.12 MDL No.: MFCD00145220 Appearance: Colorless to pale yellow liquid Density: 1.078 Boiling Point: 108-110°C Flash Point: 113°C. (Closed Cup) …
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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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(R)-1-Boc-3-aminopiperidine ; >/= 99% (HPLC, Chiral purity)
AFG BioscienceSynonyms: (R)-3-aminopiperidine-1-carboxylic acid tert-butyl ester Purity Limit: ≥ 99% (HPLC, Chiral purity) CAS No.: 188111-79-7 Molecular Formula: C10H20N2O2 Molecular Weight: 200.28 MDL No.: MFCD03094717 Appearance: Off-white or pale yellow oil to solid Storage…
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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…