Reagents, D, 250 g
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Dimethyl disulfide, 99%
Thermo Scientific ChemicalsSynonym(s): Methyl disulfide Formula: CH3S-SCH3 Formula weight: 94.20 Purity: 99% CAS Number: 624-92-0 UN Number: UN2381 Hazard Class: 3 Packing Group: II Harmonized Tariff Code: 2930.90 Hazard Statements: H225-H301-H330-H319 Highly flammable liquid and vapour. Toxic…
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1,2-Dimethoxybenzene ; >/= 99% (GC)
AFG BioscienceSynonyms: Catechol dimethyl etherVeratrol Purity Limit: ≥ 99% (GC) CAS No.: 91-16-7 Molecular Formula: C8H10O2 Molecular Weight: 138.17 MDL No.: MFCD00008357 Appearance: Colorless liquid Storage Temperature: Store at RT
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Dextran powder, Mw ~ 70,000
AFG BioscienceCAS No.: 9004-54-0 Molecular Formula: (C6H10O5)n MDL No.: MFCD00130935 Appearance: White to slightly off-white powder Optical Rotation: [a]D20 = +195° to +203º (2% Solution) Storage Temperature: Store at RT
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1,2-Dibromobutane, 98%
Thermo Scientific ChemicalsSynonym(s): alpha-Butylene dibromide Formula: C4H8Br2 Formula weight: 215.93 Purity: 98% CAS Number: 533-98-2 Harmonized Tariff Code: 2903.39 Hazard Statements: H301-H311-H332-H315-H319-H335 Toxic if swallowed. Toxic in contact with skin. Harmful if inhaled. Causes skin…
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3-(3,4-Dichlorophenyl)-1,1-dimethylurea, 97%
Thermo Scientific ChemicalsSynonym(s): Diuron Formula: C9H10Cl2N2O Formula weight: 233.10 Purity: 97% CAS Number: 330-54-1 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code: 2924.21 Hazard Statements: H351-H373-H302 Suspected of causing cancer. May cause damage to…
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2,5-Dimethoxyaniline, 99%
Thermo Scientific ChemicalsFormula: C8H11NO2 Formula weight: 153.18 Purity: 99% CAS Number: 102-56-7 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code: 2922.29 Hazard Statements: H301-H311-H331-H373 Toxic if swallowed. Toxic in contact with skin. Toxic if inhaled. May…
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2,4-Difluoro-1-iodobenzene, 99%
Thermo Scientific ChemicalsSynonym(s): 1,3-Difluoro-4-iodobenzene Formula: C6H3F2I Formula weight: 239.99 Purity: 99% CAS Number: 2265-93-2 Harmonized Tariff Code: 2903.99 Hazard Statements: H315-H319-H335-H227 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.…
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Dowex r 50WX8 100-200 (H)
Thermo Scientific ChemicalsCAS Number: 11119-67-8 Harmonized Tariff Code: 3914.00 Safety Phrases: 24/25 Avoid contact with skin and eyes.
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1,3-Diphenylguanidine, 97%
Thermo Scientific ChemicalsSynonym(s): N,N'-Diphenylguanidine, Melaniline Formula: C13H13N3 Formula weight: 211.27 Purity: 97% CAS Number: 102-06-7 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code: 2925.29 Hazard Statements: H361-H302-H315-H319-H335 Suspected of…
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Synonym(s): Atrol; N,N-Dimethylethanolamine (+)-bitartrate salt Formula: (CH3)2NCH2CH2OH · C4H6O6 Formula Weight: 239.22 CAS No.: 5988-51-2 Purity: ≥99.0% Packaging: 250 g in poly bottle
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Dibenzyl ether, 98+%
Thermo Scientific ChemicalsSynonym(s): Benzyl ether Formula: C6H5CH2OCH2C6H5 Formula weight: 198.27 Purity: 98+% CAS Number: 103-50-4 UN Number: UN3082 Hazard Class: 9 Packing Group: III Harmonized Tariff Code: 2909.30 Risk Phrases: 51/53 Toxic to aquatic organisms, may cause long-term adverse…
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1,2:5,6-Di-o-isopropylidene-alpha-D-allofuranose, 99% (HPLC)
AFG BioscienceCAS # 2595-05-3 Synonyms: 1,2,5,6-Di-o-isopropylidene-a-D-allofuranose MDL No.: MFCD00135634 Melting Point: 73-76 °C Molecular Formula: C12H20O6 Molecular Weight: 260.28 Optical Rotation: [a]D20 = +33.5 to +38.5º (C=1 in CHCl3) Purity Limit: 99% (HPLC) Storage Temp: Store at 0-8…
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Diethyl benzylphosphonate, 99%
Thermo Scientific ChemicalsSynonym(s): Benzylphosphonic acid diethyl ester, Diethyl alpha-toluenephosphonate Formula: C11H17O3P Formula weight: 228.23 Purity: 99% CAS Number: 1080-32-6 Harmonized Tariff Code: 2931.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation.…
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DL-Isoleucine ; >/= 99% (Assay)
AFG BioscienceSynonyms: DL-Ile-OH(2RS,3RS)-2-Amino-3-methylpentanoic acid Purity Limit: ≥ 99% (Assay) CAS No.: 443-79-8 Molecular Formula: C6H13NO2 Molecular Weight: 131.20 MDL No.: MFCD00004268 Appearance: White crystals or crystalline powder Storage Temperature: Store at 0-8 °C
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Dowex r 50WX2 200-400 (H)
Thermo Scientific ChemicalsCAS Number: 12612-37-2 Harmonized Tariff Code: 3914.00
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Synonyms: D-(+)-Glucose; Dextrose Formula: C6H12O6 Formula Weight: 180.16 CAS No.: 50-99-7
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Diethyl maleate, 97%
Thermo Scientific ChemicalsSynonym(s): Maleic acid diethyl ester, cis-Propenoic acid diethyl ester Formula: C8H12O4 Formula weight: 172.18 Purity: 97% CAS Number: 141-05-9 Harmonized Tariff Code: 2917.19 Hazard Statements: H317-H227 May cause an allergic skin reaction. Combustible liquid. Precautionary…
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Synonym(s): 1,3-Dichloro-5,5-dimethyl-2,4-imidazolidinedione; DCDMH; NSC 33307; NSC 38630 Formula: C5H6Cl2N2O2 Formula Weight: 197.02 CAS No.: 118-52-5 UN Number: UN3085 Application: Reagent involved in:…
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Synonyms: 1-Benzhydryl-3-azetidinol hydrochloride Purity Limit: ≥ 98% (HPLC) CAS No.: 90604-02-7 Molecular Formula: C16H17NO·HCl Molecular Weight: 275.78 MDL No.: MFCD00209447 Appearance: White crystalline solid Melting Point: 170-176 °C Storage Temperature: Store at 0-8°C
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2,3-Dimethylindole ; >/= 98% (HPLC)
AFG BioscienceSynonyms: 2,3-Dimethyl-1H-indole Purity Limit: ≥ 98% (HPLC) CAS No.: 91-55-4 Molecular Formula: C10H11N Molecular Weight: 145.2 MDL No.: MFCD00005617 Appearance: White to pink crystal Melting Point: 102-108 ºC Storage Temperature: Store at 0-8 °C
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2,3-Dichloro-1-propene, 98%
Thermo Scientific ChemicalsFormula: C3H4Cl2 Formula weight: 110.97 Purity: 98% CAS Number: 78-88-6 UN Number: UN2047 Hazard Class: 3 Packing Group: II Harmonized Tariff Code: 2903.29 Hazard Statements: H225-H318-H341-H302-H312-H332-H335-H315 Highly flammable liquid and vapour. Causes serious eye…
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D-(-)-Ribose, 98%
Thermo Scientific ChemicalsFormula: C5H10O5 Formula weight: 150.13 Purity: 98% CAS Number: 50-69-1 Harmonized Tariff Code: 2940.00
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4,5-Dibromofluorescein ; >/= 95% (Dye content)
AFG BioscienceSynonyms: Acid Orange IICI 4537014',5'-Dibromo-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one Purity Limit: ≥ 95% (Dye content) CAS No.: 596-03-2 Molecular Formula: C20H10Br2O5 Molecular Weight: 490.1 MDL No.: MFCD00005042 Appearance: Orange powder Storage…
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DL-Leucine, 99%
Thermo Scientific ChemicalsSynonym(s): (+/-)-2-Amino-4-methylpentanoic acid, H-DL-Leu-OH Formula: C6H13NO2 Formula weight: 131.18 Purity: 99% CAS Number: 328-39-2 Harmonized Tariff Code: 2922.49
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2,4-Diamino-6-methyl-1,3,5-triazine, 99% (HPLC)
AFG BioscienceCAS # 542-02-9 Synonyms: 6-Methyl-1,3,5-triazine-2,4-diamineAcetoguanamine MDL No.: MFCD00023192 Melting Point: 271-278 ºC Molecular Formula: C4H7N5 Molecular Weight: 125.13 Purity Limit: 99% (HPLC) Storage Temp: Store at 0-8 °C Appearance: Off-white to light yellow crystal
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"Dextrin from potato starch, for microbiology"
MilliporeSigmaFormula: (C6H12O6)x CAS No.: 9004-53-9
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D-Isosorbide, 98%
Thermo Scientific ChemicalsSynonym(s): 1,4:3,6-Dianhydro-D-glucitol, 1,4:3,6-Dianhydro-D-sorbitol Formula: C6H10O4 Formula weight: 146.14 Purity: 98% CAS Number: 652-67-5 Harmonized Tariff Code: 2932.99
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Dowex 1X8-100 ion exchange resin,chloride form, 50-100 mesh
AFG BioscienceCAS No.: 60267-37-0 MDL No.: MFCD00132718 Appearance: White to light yellow tan beads Mesh Size: 50-100 mesh Storage Temperature: Store at RT Substitution: 1-1.8 meq/g
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3,3'-Diindolylmethane ; >/= 98% (Assay)
AFG BioscienceSynonyms: 3-(1H-Indol-3-ylmethyl)-1H-indole3,3'-Methylenebis-1H-indole3,3'-Methylenediindole Purity Limit: ≥ 98% (Assay) CAS No.: 1968-05-4 Molecular Formula: C17H14N2 Molecular Weight: 246.31 MDL No.: MFCD00195766 Appearance: White crystalline powder Melting Point: 161-167…
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3,4-Dihydroxybenzaldehyde ; >/= 99.5% (HPLC)
AFG BioscienceSynonyms: 4-Formyl-1,2-dihydroxybenzeneProtocatechualdehyde Purity Limit: ≥ 99.5% (HPLC) CAS No.: 139-85-5 Molecular Formula: C7H6O3 Molecular Weight: 138.12 MDL No.: MFCD00003370 Appearance: Off-white to grey crystalline powder Melting Point: 151-158 °C Storage…
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Diacetin, mixed isomers, tech. ca 50%, remainder triacetin and monoacetin
Thermo Scientific ChemicalsSynonym(s): Glycerol diacetate Formula: C7H12O5 Formula weight: 176.17 Purity: tech. ca 50%, remainder triacetin and monoacetin CAS Number: 25395-31-7 Harmonized Tariff Code: 2915.39