UN3261
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Perfluoroundecanoic acid analytical standard
MilliporeSigmaPerfluoroundecanoic acid belongs to the class of persistent perfluorinated compounds, found in environmental and biological samples. They are used in various commercial applications such as in firefighting foams, detergents, insecticides, paper, food containers as well as to produce photographic…
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3,4-Dihydroxy-3-cyclobutene-1,2-dione, 98+%
Thermo Scientific ChemicalsSynonym(s): Squaric acid Formula: C4H2O4 Formula weight: 114.06 Purity: 98+% CAS Number: 2892-51-5 UN Number: UN3261 Hazard Class: 8 Packing Group: II Harmonized Tariff Code: 2914.40 Hazard Statements: H314-H318 Causes severe skin burns and eye damage. Causes serious…
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Trimethylsulfonium tetrafluoroborate, 98+%
Thermo Scientific ChemicalsFormula: (CH3)3SBF4 Formula weight: 163.98 Purity: 98+% CAS Number: 676-88-0 UN Number: UN3261 Hazard Class: 8 Packing Group: II Harmonized Tariff Code: 2930.90 Hazard Statements: H314-H318 Causes severe skin burns and eye damage. Causes serious eye damage. …
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Pyridine-2,6-dicarbonyl dichloride, 98%
Thermo Scientific ChemicalsSynonym(s): Pyridine-2,6-dicarboxylic acid chloride Formula: C7H3Cl2NO2 Formula weight: 204.01 Purity: 98% CAS Number: 3739-94-4 UN Number: UN3261 Hazard Class: 8 Packing Group: II Harmonized Tariff Code: 2933.39 Hazard Statements: H314-H318 Causes severe skin burns…
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6-Bromohexanoic acid, 98+%
Thermo Scientific ChemicalsSynonym(s): 6-Bromocaproic acid Formula: Br(CH2)5CO2H Formula weight: 195.06 Purity: 98+% CAS Number: 4224-70-8 UN Number: UN3261 Hazard Class: 8 Packing Group: III Harmonized Tariff Code: 2915.90 Hazard Statements: H314-H318 Causes severe skin burns and eye damage.…
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1-Hydroxyethylidenebis(phosphonic acid), 96%
Thermo Scientific ChemicalsSynonym(s): Etidronic acid, 1-Hydroxyethane-1,1-diphosphonic acid Formula: CH3C(OH)(PO3H2)2 Formula weight: 206.03 Purity: 96% CAS Number: 2809-21-4 UN Number: UN3261 Hazard Class: 8 Packing Group: III Harmonized Tariff Code: 2931.90 Hazard Statements: H314-H318-H302 …
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Methyl p-toluenesulfonate, 98%
Thermo Scientific ChemicalsSynonym(s): Methyl p-tosylate, p-Toluenesulfonic acid methyl ester Formula: C8H10O3S Formula weight: 186.23 Purity: 98% CAS Number: 80-48-8 UN Number: UN3261 Hazard Class: 8 Packing Group: II Harmonized Tariff Code: 2905.19 Hazard Statements: H314-H318-H302-H317 Causes…
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Oxalic acid dihydrate, ACS, 99.5-102.5%
BeanTown ChemicalCAS: 6153-56-6 EC No: 205-634-3 MDL No: MFCD00149102 RTECS: KI1600000 UN No: UN3261; Haz Class: 8; Packing Group: III Crystalline Molecular Formula: C2H2O4·2H2O MW: 126.07 Melting Point: 104-106° Density (g/mL): 1.65
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Zinc trifluoromethanesulfonate, 98%
Thermo Scientific ChemicalsSynonym(s): Trifluoromethanesulfonic acid zinc salt, Zinc triflate Formula: C2F6O6S2Zn Formula weight: 363.51 Purity: 98% CAS Number: 54010-75-2 UN Number: UN3261 Hazard Class: 8 Packing Group: III Harmonized Tariff Code: 2904.90 Hazard Statements: H314-H318 Causes…
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Glyoxylic acid monohydrate, 97%
Thermo Scientific ChemicalsSynonym(s): Oxoacetic acid monohydrate Formula: OHCCO2H H2O Formula weight: 92.06 (74.04anhy) Purity: 97% CAS Number: 563-96-2 UN Number: UN3261 Hazard Class: 8 Packing Group: III Harmonized Tariff Code: 2918.30 Hazard Statements: H314-H318-H317 Causes severe skin…
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Cinnamoyl chloride for synthesis
MilliporeSigmaSynonyms: Cinnamic acid chloride Chemical Formula: C6H5CH=CHCOCl Hill Formula: C9H7ClO CAS Number: 17082-09-6 UN Number: UN3261
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p-Xylylene dibromide, 97%
Thermo Scientific ChemicalsSynonym(s): 1,4-Bis(bromomethyl)benzene, alpha,alpha'-Dibromo-p-xylene Formula: C8H8Br2 Formula weight: 263.96 Purity: 97% CAS Number: 623-24-5 UN Number: UN3261 Hazard Class: 8 Packing Group: II Harmonized Tariff Code: 2903.99 Hazard Statements: H314-H318 Causes…
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9-(Chloromethyl)anthracene, 98%
BeanTown ChemicalCAS: 24463-19-2 EC No: 246-274-7 MDL No: MFCD00001263 RTECS: CA9600000 UN No: UN3261; Haz Class: 8; Packing Group: III Powder Molecular Formula: C15H11Cl MW: 226.70 Melting Point: 138-140°
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N-Bromosuccinimide for synthesis
MilliporeSigmaCAS Number: 128-08-5 UN Number: UN3261 Solubility: 14.8 g/l (20°C) (decomposition) Melting Point: 174 - 179°C Molar Mass: 177.98 g/mol Bulk Density: 750 kg/m3 Vapor Pressure: 14.8 hPa (20°C) Density: 2.1 g/cm3 (20°C)
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N-Bromosuccinimide, 99%
Thermo Scientific ChemicalsSynonym(s): NBS Formula: C4H4BrNO2 Formula weight: 177.99 Purity: 99% CAS Number: 128-08-5 UN Number: UN3261 Hazard Class: 8 Packing Group: III Harmonized Tariff Code: 2925.19 Hazard Statements: H301-H314-H318 Toxic if swallowed. Causes severe skin burns and eye…
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Purity: >=95% (HPLC) Storage: -20C Legal Information: SILu is a trademark of Sigma-Aldrich Co. LLC
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Dimethylthiocarbamoyl chloride, 95%
Thermo Scientific ChemicalsFormula: C3H6ClNS Formula weight: 123.60 Purity: 95% CAS Number: 16420-13-6 UN Number: UN3261 Hazard Class: 8
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2-Chloronicotinoyl chloride, 98+%
Thermo Scientific ChemicalsSynonym(s): 2-Chloropyridine-3-carbonyl chloride Formula: C6H3Cl2NO Formula weight: 176.00 Purity: 98+% CAS Number: 49609-84-9 UN Number: UN3261 Hazard Class: 8 Packing Group: II Harmonized Tariff Code: 2933.39 Hazard Statements: H314-H318 Causes severe skin burns and…
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Cyanoacetic acid, 99%
Thermo Scientific ChemicalsFormula: NCCH2CO2H Formula weight: 85.06 Purity: 99% CAS Number: 372-09-8 UN Number: UN3261 Hazard Class: 8 Packing Group: II Harmonized Tariff Code: 2926.90 Hazard Statements: H314-H318-H302 Causes severe skin burns and eye damage. Causes serious eye damage. Harmful if…
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Methanesulfonic anhydride, 98%
Thermo Scientific ChemicalsSynonym(s): Mesic anhydride Formula: C2H6O5S2 Formula weight: 174.20 Purity: 98% CAS Number: 7143-01-3 UN Number: UN3261 Hazard Class: 8 Packing Group: II Harmonized Tariff Code: 2904.10 Hazard Statements: H314-H318 Causes severe skin burns and eye damage. Causes…
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cis-3-Chloroacrylic acid, 98+%
Thermo Scientific ChemicalsSynonym(s): cis-3-Chloropropenoic acid Formula: C3H3ClO2 Formula weight: 106.51 Purity: 98+% CAS Number: 1609-93-4 UN Number: UN3261 Hazard Class: 8 Packing Group: III Harmonized Tariff Code: 2916.19 Hazard Statements: H314-H318 Causes severe skin burns and eye damage.…
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Glycolic Acid, Crystal, Reagent
Spectrum ChemicalGrade: Reagent CAS No.: 79-14-1 UN No.: UN3261 Class: 8 Pkg. Group: PG II
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Amino groups are common to many biological compounds and many amines used in pharmaceuticals. Most of these compounds show weak absorption in direct HPLC analysis with UV-VIS detection. However, strongly absorbing derivatives of amines can be easily detected by HPLC with high sensitivity even when…
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4,4,4-Trifluoro-3-hydroxy-3-(trifluoromethyl)butyric acid, 97%
Thermo Scientific ChemicalsSynonym(s): 3,3-Bis(trifluoromethyl)-3-hydroxypropionic acid, 3-Hydroxy-4,4,4-trifluoro-3-(trifluoromethyl)butyric acid Formula: C5H4F6O3 Formula weight: 226.08 Purity: 97% CAS Number: 1547-36-0 UN Number: UN3261 Hazard Class: 8 Packing Group: III Harmonized Tariff Code: …
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2,3,6-Trifluorophenol, 98%
Thermo Scientific ChemicalsFormula: C6H3F3O Formula weight: 148.09 Purity: 98% CAS Number: 113798-74-6 UN Number: UN3261 Hazard Class: 8 Packing Group: II Harmonized Tariff Code: 2908.19 Hazard Statements: H301-H311-H314-H318 Toxic if swallowed. Toxic in contact with skin. Causes severe skin burns…
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Pyrazine-2-carbonyl chloride, 90+%
Thermo Scientific ChemicalsFormula: C5H3ClN2O Formula weight: 142.55 Purity: 90+% CAS Number: 19847-10-0 UN Number: UN3261 Hazard Class: 8
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Methoxylamine hydrochloride, 98+%
Thermo Scientific ChemicalsSynonym(s): Methoxylamine hydrochloride, O-Methylhydroxylamine hydrochloride Formula: CH3ONH2 HCl Formula weight: 83.52 Purity: 98+% CAS Number: 593-56-6 UN Number: UN3261 Hazard Class: 8 Packing Group: III Harmonized Tariff Code: 2928.00 Hazard Statements: …
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6-Chloronicotinoyl chloride, 98%
BeanTown ChemicalCAS: 58757-38-3 MDL No: MFCD00051775 UN No: UN3261; Haz Class: 8; Packing Group: II Crystalline/Powder Molecular Formula: C6H3Cl2NO MW: 176.00 Melting Point: 48-53°
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Trimethylacetic acid, 99%
Thermo Scientific ChemicalsSynonym(s): 2,2-Dimethylpropionic acid, Pivalic acid Formula: (CH3)3CCO2H Formula weight: 102.13 Purity: 99% CAS Number: 75-98-9 UN Number: UN3261 Hazard Class: 8 Packing Group: III Harmonized Tariff Code: 2915.90 Hazard Statements: H314-H318-H302-H312 Causes severe…
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4-(Trifluoromethyl)benzenesulfonyl chloride, 98%
Thermo Scientific ChemicalsFormula: C7H4ClF3O2S Formula weight: 244.62 Purity: 98% CAS Number: 2991-42-6 UN Number: UN3261 Hazard Class: 8 Packing Group: II Harmonized Tariff Code: 2904.90 Hazard Statements: H314-H318 Causes severe skin burns and eye damage. Causes serious eye damage. …
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2-Bromo-4-fluorobenzenesulfonyl fluoride 95% (GC)
MilliporeSigmaSynonyms: 2-Bromo-4-fluorobenzenesulfonyl fluoride Molecular Formula: C6H3BrF2O2S Molecular Weight: 257.05 Linear Structural Formula: C6H3BrF2O2S Purity: 95% (GC) Melting Point: 32-36 C Application: Sulfonyl fluoride motif can be used as a connector for the assembly of…
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Tiglic acid, 98+%
Thermo Scientific ChemicalsSynonym(s): trans-2,3-Dimethylacrylic acid, (E)-2-Methyl-2-butenoic acid Formula: C5H8O2 Formula weight: 100.12 Purity: 98+% CAS Number: 80-59-1 UN Number: UN3261 Hazard Class: 8 Packing Group: III Harmonized Tariff Code: 2916.19 Hazard Statements: H314-H318 Causes…