AFG Bioscience, 1 kg, Reagents, E
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Erichrome black T ACS reagent
AFG BioscienceSynonyms: Mordant black 11CI 14645 Grade: ACS reagent CAS No.: 1787-61-7 Molecular Formula: C20H12N3O7SNa Molecular Weight: 461.4 MDL No.: MFCD00003935 Appearance: Black cystalline powder Comments: Used as indicator for complexometric titrations. Storage Temperature: Store…
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Ethyl 2-methylacetoacetate ; >/= 95% (GC)
AFG BioscienceSynonyms: 2-Acetylpropionic acid ethyl ester2-Methyl-3-oxo-butanoic acid ethyl ester Purity Limit: ≥ 95% (GC) CAS No.: 609-14-3 Molecular Formula: C7H12O3 Molecular Weight: 144.17 MDL No.: MFCD00009164 Appearance: Colorless to light yellow liquid Density: 1.010-1.109 …
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Evans blue ; >/= 85% (dye content)
AFG BioscienceSynonyms: Direct blue 53 CI 23860 Purity Limit: ≥ 85% (dye content) CAS No.: 314-13-6 Molecular Formula: C34H24N6O14S4Na4 Molecular Weight: 960.82 MDL No.: MFCD00004021 Appearance: Black powder Storage Temperature: Store at RT
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Eriochrome Cyanine R
AFG BioscienceSynonyms: Mordant Blue 3CI 43820 CAS No.: 3564-18-9 Molecular Formula: C23H15Na3O9S Molecular Weight: 536.4 MDL No.: MFCD00012411 Appearance: Dark red powder Storage Temperature: Store at RT
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Ethyl 5-bromovalerate ; >/= 99% (GC)
AFG BioscienceSynonyms: 5-Bromopentanoic acid ethyl ester5-Bromovaleric acid ethyl ester Purity Limit: ≥ 99% (GC) CAS No.: 14660-52-7 Molecular Formula: C7H13BrO2 Molecular Weight: 209.09 MDL No.: MFCD00000266 Appearance: Colorless to pale yellow liquid Density: 1.321 Boiling Point: …
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Erioglaucine ; >/= 85% (Dye content)
AFG BioscienceSynonyms: Acid Blue 9CI 42090Bis[4-(N-ethyl-N-3-sulfophenylmethyl)aminophenyl]-2-sulfophenylmethylium disodium salt Purity Limit: ≥ 85% (Dye content) CAS No.: 3844-45-9 Molecular Formula: C37H34N2O9S3·2Na Molecular Weight: 792.86 MDL No.: MFCD00012141 Appearance: Dark blue to…
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Esculin hydrate ; >/= 98.5% (HPLC)
AFG BioscienceSynonyms: 6,7-Dihydroxycoumarin-6-glucoside Purity Limit: ≥ 98.5% (HPLC) CAS No.: 531-75-9 Molecular Formula: C15H16O9· xH2O Molecular Weight: 367.31 MDL No.: MFCD00149492 Appearance: White to whitish powder Melting Point: 202-210 °C Optical Rotation: [a]D20 = -84 to…
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Ethyl Indole-2-carboxylate ; >/= 98% (Assay)
AFG BioscienceSynonyms: 1H-Indole-2-carboxylic acid, ethyl ester2-Carbethoxyindole Purity Limit: ≥ 98% (Assay) CAS No.: 3770-50-1 Molecular Formula: C11H11NO2 Molecular Weight: 189.21 MDL No.: MFCD00005609 Appearance: Off-white to light yellow powder Melting Point: 116-127 °C Storage…
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4-Ethoxybenzaldehyde ; >/= 99% (GC)
AFG BioscienceSynonyms: p-Ethoxybenzaldehyde Purity Limit: ≥ 99% (GC) CAS No.: 10031-82-0 Molecular Formula: C9H10O2 Molecular Weight: 150.18 MDL No.: MFCD00003388 Appearance: Colorless to light yellow liquid Boiling Point: 246-257 °C Storage Temperature: Store at 0-8°C
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5-(Ethylthio)-1H-tetrazole ; >/= 99% (HPLC)
AFG BioscienceSynonyms: 5-Ethylsulfanyl-1H-tetrazole5-(S-Ethylmercapto)-tetrazole Purity Limit: ≥ 99% (HPLC) CAS No.: 89797-68-2 Molecular Formula: C3H6N4S Molecular Weight: 130.18 MDL No.: MFCD00068733 Appearance: White to off-white crystalline powder Melting Point: 85-89 °C Storage…
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Ethyl 4-fluorobenzoate ; >/= 99% (GC)
AFG BioscienceSynonyms: Ethyl p-fluorobenzoate4-Fluorobenzoic acid ethyl ester Purity Limit: ≥ 99% (GC) CAS No.: 451-46-7 Molecular Formula: C9H9FO2 Molecular Weight: 168.17 MDL No.: MFCD00000351 Appearance: Colorless liquid or white crystals Storage Temperature: Store at RT
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Erythromycin ; USP ; 85.0-100.5% (Assay: Dry basis)
AFG BioscienceSynonyms: Erythromycin AActivity ≥850 mg/mg powder(dry basis), ≥765 mg/mg powder(as is) Grade: USP Purity Limit: 85.0-100.5% (Assay: Dry basis) CAS No.: 114-07-8 Molecular Formula: C37H67NO13 Molecular Weight: 733.98 MDL No.: MFCD00084654 Appearance: White or almost…
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Erythrosin B certified ; Certified ; >/= 87% (Dye content)
AFG BioscienceSynonyms: Acid Red 51 CI 45430 2',4',5',7'-Tetraiodofluorescein disodium salt Grade: Certified Purity Limit: ≥ 87% (Dye content) CAS No.: 16423-68-0 Molecular Formula: C20H6I4O5·2Na Molecular Weight: 879.84 MDL No.: MFCD00144257 Appearance: Dark red to maroon to brown…
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4-Ethylguaiacol, Natural, 99% (GC)
AFG BioscienceCAS # 2785-89-9 Synonyms: 2-Methoxy-4-ethylphenol4-Ethyl-2-methoxyphenol Grade: Food Grade, Kosher MDL No.: MFCD00038714 Molecular Formula: C9H12O2 Molecular Weight: 152.19 Purity Limit: 99% (GC) Storage Temp: Store at RT Appearance: Colorless to light yellow liquid
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Synonyms: 1-(2-Cyanoethyl)-2-ethyl-4-methylimidazole Purity Limit: ≥ 95% (GC) CAS No.: 23996-25-0 Molecular Formula: C9H13N3 Molecular Weight: 163.22 MDL No.: MFCD00051492 Appearance: Light yellow crystal Storage Temperature: Store at 0-8°C
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2-Ethyl-4-methylimidazole ; >/= 96% (GC)
AFG BiosciencePurity Limit: ≥ 96% (GC) CAS No.: 931-36-2 Molecular Formula: C6H10N2 Molecular Weight: 110.16 MDL No.: MFCD00005193 Appearance: Yellowish viscous liquid Storage Temperature: Store at 0-8°C
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Ethyl Violet ; >/= 93% (Dye content)
AFG BioscienceSynonyms: Basic Violet CI 42600 Purity Limit: ≥ 93% (Dye content) CAS No.: 2390-59-2 Molecular Formula: C31H42N3Cl Molecular Weight: 492.15 MDL No.: MFCD00011765 Appearance: Greenish powder Storage Temperature: Store at RT
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Ethyl Bromofluoroacetate ; >/= 98% (GC)
AFG BioscienceSynonyms: Bromofluoroacetic acid ethyl ester Purity Limit: ≥ 98% (GC) CAS No.: 401-55-8 Molecular Formula: C4H6BrFO2 Molecular Weight: 184.99 MDL No.: MFCD00042095 Appearance: Yellowish liquid Storage Temperature: Store at RT
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Ethyl Red Indicator
AFG BioscienceSynonyms: 4-(Diethylamino)azobenzene-2'-carboxylic acid CAS No.: 76058-33-8 Molecular Formula: C17H19N3O2 Molecular Weight: 297.36 MDL No.: MFCD00002427 Storage Temperature: Store at RT
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2-Ethoxybenzaldehyde ; >/= 97% (GC)
AFG BioscienceSynonyms: o-Ethoxybenzaldehyde Salicylaldehyde ethyl ether Purity Limit: ≥ 97% (GC) CAS No.: 613-69-4 Molecular Formula: C9H10O2 Molecular Weight: 150.18 MDL No.: MFCD00003316 Appearance: Clear yellow to purple liquid Boiling Point: 134-140 °C / 24mmHg Storage…
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Eosin B Spirit Soluble ; Dye content: >/= 95%
AFG BioscienceSynonyms: Acid Red 91CI 45400 Purity Limit: Dye content: ≥ 95% CAS No.: 56360-46-4 Molecular Formula: C20H8Br2N2O9 Molecular Weight: 580.10 MDL No.: MFCD00066762 Appearance: Yellow to orange powder Storage Temperature: Store at RT
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Ethyl 5-bromonicotinate ; >/= 99% (GC)
AFG BioscienceSynonyms: 5-Bromonicotinic acid ethyl esterEthyl 5-bromonicotinate5-Bromo-3-pyridinecarboxylic acid ethyl ester Purity Limit: ≥ 99% (GC) CAS No.: 20986-40-7 Molecular Formula: C8H8BrNO2 Molecular Weight: 230.06 MDL No.: MFCD00040366 Appearance: Off-white to light brown color…
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Synonyms: 2-Methylthio-4-chloro-5-ethoxycarbonylpyrimidine 4-Chloro-2-methylsulfanyl-pyrimidine-5-carboxylic acid ethyl ester Purity Limit: ≥ 97% (HPLC) CAS No.: 5909-24-0 Molecular Formula: C8H9ClN2O2S Molecular Weight: 232.69 MDL No.: MFCD00006085 Appearance: Off-white to…
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Ethyl Eosin certified
AFG BioscienceSynonyms: Solvent Red 45CI 453862',4',5',7'-Tetrabromoeosin ethyl ester potassium salt CAS No.: 6359-03-5 Molecular Formula: C22H11Br4O5K Molecular Weight: 714.04 MDL No.: MFCD00005039 Appearance: Brown to dark-red powder Storage Temperature: Store at RT
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2-Ethyl Benzofuran ; >/=98%
AFG BiosciencePurity Limit: ≥98% CAS No.: 3131-63-3 Molecular Formula: C10H10O Molecular Weight: 146.19 MDL No.: MFCD00047287 Storage Temperature: Store at RT
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Eriochrome Blue Black R ; >/= 70% (Dye content)
AFG BioscienceSynonyms: Mordant Black 17CI 15705 Purity Limit: ≥ 70% (Dye content) CAS No.: 2538-85-4 Molecular Formula: C20H13N2O5SNa Molecular Weight: 416.39 MDL No.: MFCD00004069 Appearance: Dark brown to black powder Storage Temperature: Store at RT
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Eosin B certified
AFG BioscienceSynonyms: 4',5'-Dibromo-2',7'-dinitrofluorescein disodium salt Saffrosine CI 45400 CAS No.: 548-24-3 Molecular Formula: C20H6Br2N2O9·2Na Molecular Weight: 624.06 MDL No.: MFCD00005041 Storage Temperature: Store at RT
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5-Ethyl-2-pyridineethanol ; >/= 97% (GC)
AFG BioscienceSynonyms: 2-Hydroxyethyl-5-ethylpyridine2-(5-Ethyl-2-pyridinyl)-1-ethanol Purity Limit: ≥ 97% (GC) CAS No.: 5223-06-3 Molecular Formula: C9H13NO Molecular Weight: 151.21 MDL No.: MFCD00129040 Appearance: Light yellow solid or viscous liquid Storage Temperature: Store at 0-8°C
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4'-Ethoxyacetophenone ; >/= 99%
AFG BioscienceSynonyms: 4-Acetylphenetole Purity Limit: ≥ 99% CAS No.: 1676-63-7 Molecular Formula: C10H12O2 Molecular Weight: 164.2 MDL No.: MFCD00009095 Appearance: White crystalline powder Melting Point: 33-40 °C Storage Temperature: Store at 0-8 °C
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2-Ethylphenol ; >/= 99% (GC)
AFG BioscienceSynonyms: o-Ethylphenol Purity Limit: ≥ 99% (GC) CAS No.: 90-00-6 Molecular Formula: C8H10O Molecular Weight: 122.17 MDL No.: MFCD00002249 Appearance: Colorless liquid Density: 1.0180-1.0230 Boiling Point: 195-197 °C Melting Point: ?18 °C Refractive Index: n20/D…
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Erythrosin B ; Dye Content: >/= 95%
AFG BioscienceSynonyms: Solvent red 140 CI 45430 Purity Limit: Dye Content: ≥ 95% CAS No.: 15905-32-5 Molecular Formula: C20H8I4O5 Molecular Weight: 835.9 MDL No.: MFCD00005044 Appearance: Red to red-orange powder Storage Temperature: Store at RT Warnings: Hygroscopic!
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Ethyl (hydroxyimino)cyanoacetate ; >/= 99% (HPLC)
AFG BioscienceSynonyms: Ethyl cyano(hydroxyimino)acetateEthyl IsonitrosocyanoacetateEthyl cyanoglyoxalate-2-oximeOxyma Purity Limit: ≥ 99% (HPLC) CAS No.: 3849-21-6 Molecular Formula: C5H6N2O3 Molecular Weight: 142.11 MDL No.: MFCD00002112 Appearance: Light yellow to off white crystalline …