Reagents, O

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  • 2-Octanoylthiophene, 99%

    Alfa Aesar

    Synonym(s): n-Heptyl 2-thienyl ketone Formula: C12H18OS Formula weight: 210.34 Purity: 99% CAS Number: 30711-41-2 Harmonized Tariff Code:  2934.99

  • Octafluorotoluene, 98+%

    Alfa Aesar

    Synonym(s): Perfluorotoluene Formula: C7F8 Formula weight: 236.06 Purity: 98+% CAS Number: 434-64-0 UN Number: UN1992 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2903.99 Hazard Statements: H225-H301-H331-H315-H319-H335 Highly flammable liquid and vapour.…

  • Oxacillin sodium salt monohydrate, 815µg/mg

    Alfa Aesar

    Formula: C19H18N3NaO5S H2O Formula weight: 441.43 CAS Number: 7240-38-2 Harmonized Tariff Code:  2941.10 Risk Phrases: 36/37/38-42/43 Irritating to eyes, respiratory system and skin. May cause sensitisation by inhalation and skin contact. Safety Phrases: 22-24-26-37-45-60 Do not…

  • n-Octane, 98+%

    Alfa Aesar

    Formula: CH3(CH2)6CH3 Formula weight: 114.23 Purity: 98+% CAS Number: 111-65-9 UN Number: UN1262 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2901.10 Hazard Statements: H225-H304-H315-H336 Highly flammable liquid and vapour. May be fatal if swallowed and…

  • O,O'-Bis(trimethylsilyl)-5-fluorouracil, 97%

    Alfa Aesar

    Synonym(s): 2,4-Bis(trimethylsiloxy)-5-fluoropyrimidine Formula: C10H19FN2O2Si2 Formula weight: 274.44 Purity: 97% CAS Number: 17242-85-2 UN Number: UN1992 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2933.59 Hazard Statements: H331-H226-H341-H302-H312 …

  • O-Benzyl-L-threonine hydrochloride, 95%

    Alfa Aesar

  • 2-Octen-4-one, 97%

    Alfa Aesar

    Formula: C8H14O Formula weight: 126.20 Purity: 97% CAS Number: 4643-27-0 UN Number: UN1224 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2914.19 Hazard Statements: H226 Flammable liquid and vapour. Precautionary Statements: …

  • Osmium(VIII) oxide, 2% aq. soln.

    Alfa Aesar

    Formula: C5H4BrNZn Formula weight: 223.38 UN Number: UN3399 Hazard Class: 4.3 Packing Group: II Harmonized Tariff Code:  2933.39 Hazard Statements: H225-H261-H314-H351-H335 Highly flammable liquid and vapour. In contact with water releases flammable gas. Causes severe skin burns…

  • n-Octylzinc bromide, 0.5M in THF, packaged under Argon in resealable ChemSeal^t…

    Alfa Aesar

    Synonym(s): 6-Bromo-5-cyanoquinoline Formula: C10H5BrN2 Formula weight: 233.07 Purity: 95% UN Number: UN3439 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2933.49 Hazard Statements: H331-H302-H312-H315-H319-H335 Toxic if inhaled. Harmful if swallowed.…

  • Orexin B, human

    Alfa Aesar

    Synonym(s): Arg-Ser-Gly-Pro-Pro-Gly-Leu-Gln-Gly-Arg-Leu-Gln-Arg-Leu-Leu-Gln-Ala-Ser-Gly-Asn-His-Ala-Ala-Gly-Ile-Leu-Thr-Met-NH2 Formula: C123H212N44O35S Formula weight: 2899.33 Harmonized Tariff Code:  2937.19

  • O-Ethoxy-L-serine hydrochloride, 97%

    Alfa Aesar

    Synonym(s): (S)-2-Amino-3-ethoxypropionic acid hydrochloride Formula: C5H11NO3 HCl Formula weight: 169.61 Purity: 97% CAS Number: 4775-82-0

  • n-Octylbenzene, 99%

    Alfa Aesar

    Synonym(s): 1-Phenyloctane Formula: C14H22 Formula weight: 190.33 Purity: 99% CAS Number: 2189-60-8 Harmonized Tariff Code:  2902.90

  • O-tert-Butyl-L-serine methyl ester hydrochloride, 98%

    Alfa Aesar

    Synonym(s): H-Ser(tBu)-OMe.HCl, (S)-Methyl 2-amino-3-(tert-butoxy)propionate hydrochloride Formula: C8H17NO3 HCl Formula weight: 211.69 Purity: 98% CAS Number: 17114-97-5 Harmonized Tariff Code:  2924.19

  • Octanoic acid, 98+%

    Alfa Aesar

    Synonym(s): Caprylic acid Formula: C8H16O2 Formula weight: 144.21 Purity: 98+% CAS Number: 124-07-2 UN Number: UN3265 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2915.90 Hazard Statements: H314-H318-H302 Causes severe skin burns and eye damage. Causes…

  • 1-Octylamine, 99%

    Alfa Aesar

    Synonym(s): 1-Aminooctane, n-Octylamine Formula: CH3(CH2)7NH2 Formula weight: 129.25 Purity: 99% CAS Number: 111-86-4 UN Number: UN2735 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2921.19 Hazard Statements: H301-H311-H314-H318-H227-H332 Toxic if…

  • cis-4-Octene, 97%

    Alfa Aesar

    Formula: C8H16 Formula weight: 112.22 Purity: 97% CAS Number: 7642-15-1 UN Number: UN3295 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2901.29 Hazard Statements: H225-H315-H319-H335 Highly flammable liquid and vapour. Causes skin irritation. Causes serious…

  • 2,2,3,3,4,4,5,5-Octafluoropentyl acrylate, 97%, stab. with ca 50ppm 4…

    Alfa Aesar

    Synonym(s): Acrylic acid 2,2,3,3,4,4,5,5-octafluoropentyl ester, 1H,1H,5H-Perfluoro-1-pentyl acrylate Formula: C8F8H6O2 Formula weight: 286.12 Purity: 97%, stab. with ca 50ppm 4-methoxyphenol CAS Number: 376-84-1 Harmonized Tariff Code:  2916.12 Hazard Statements: …

  • 1-Octen-3-ol, 98%

    Alfa Aesar

    Synonym(s): n-Amyl vinyl carbinol, n-Pentyl vinyl carbinol Formula: C8H16O Formula weight: 128.22 Purity: 98% CAS Number: 3391-86-4 Harmonized Tariff Code:  2905.29 Hazard Statements: H302-H315-H319-H335-H227 Harmful if swallowed. Causes skin irritation. Causes serious eye…

  • trans-2-Octenal, 95%

    Alfa Aesar

    Formula: C8H14O Formula weight: 126.20 Purity: 95% CAS Number: 2548-87-0 Harmonized Tariff Code:  2912.19 Hazard Statements: H315-H317-H227 Causes skin irritation. May cause an allergic skin reaction. Combustible liquid. Precautionary Statements: P280g-P262 Wear protective…

  • 1-Octadecylamine, 97%

    Alfa Aesar

    Synonym(s): 1-Aminooctadecane, Stearylamine Formula: CH3(CH2)17NH2 Formula weight: 269.52 Purity: 98% CAS Number: 124-30-1 Harmonized Tariff Code:  2921.19 Hazard Statements: H301-H315-H319-H335 Toxic if swallowed. Causes skin irritation. Causes serious eye irritation. May cause…

  • (R)-(-)-2-Oxothiazolidine-4-carboxylic acid

    Alfa Aesar

    Synonym(s): L-(-)-Thiazolidin-2-one-4-carboxylic acid, L-(-)-2-Oxothiazolidine-4-carboxylic acid Formula: C4H5NO3S Formula weight: 147.15 CAS Number: 19771-63-2 Harmonized Tariff Code:  2934.10 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation.…

  • 1-Octyl isothiocyanate, 97%

    Alfa Aesar

    Formula: CH3(CH2)7NCS Formula weight: 171.31 Purity: 97% CAS Number: 4430-45-9 UN Number: UN2922 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2930.90 Hazard Statements: H331-H314-H318-H227-H302-H312 Toxic if inhaled. Causes severe skin burns and eye damage.…

  • 2'-O-Methyluridine, 99%

    Alfa Aesar

    Formula: C10H14N2O6 Formula weight: 258.23 Purity: 99% CAS Number: 2140-76-3 Harmonized Tariff Code:  2934.99

  • Oxalyl chloride, 2M soln. in dichloromethane

    Alfa Aesar

    Formula: C2Cl2O2 Formula weight: 126.93 CAS Number: 79-37-8 UN Number: UN2922 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2917.19 Hazard Statements: H331-H314-H318-H351 Toxic if inhaled. Causes severe skin burns and eye damage. Causes serious eye damage.…

  • O-(endo-5-Norbornene-2,3-dicarboximido)-N,N,N',N'-tetramethyluronium…

    Alfa Aesar

    Synonym(s): O-(Bicyclo[2.2.1]hept-5-ene-2,3-dicarboximido)-N,N,N',N'-tetramethyluronium tetrafluoroborate, TNTU Formula: C14H20BF4N3O3 Formula weight: 365.13 Purity: 98+% CAS Number: 125700-73-4 Harmonized Tariff Code:  2925.19 Hazard Statements: H315-H319-H335 Causes skin…

  • 4-Octyne, 99%

    Alfa Aesar

    Synonym(s): Di-n-propylacetylene Formula: CH3CH2CH2C CCH2CH2CH3 Formula weight: 110.20 Purity: 99% CAS Number: 1942-45-6 UN Number: UN3295 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2901.29 Hazard Statements: H225-H304 Highly flammable liquid and vapour.…

  • Orange G/blue loading dye (6X)

    Alfa Aesar

    Harmonized Tariff Code:  3822.00

  • Tetra-n-octylammonium bromide, 98+%

    Alfa Aesar

    Formula: [CH3(CH2)7]4NBr Formula weight: 546.81 Purity: 98+% CAS Number: 14866-33-2 Harmonized Tariff Code:  2923.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Oxytetracycline, 98+%

    Alfa Aesar

    Formula: C22H24N2O9 Formula weight: 460.43 Purity: 98+% CAS Number: 79-57-2 Harmonized Tariff Code:  2941.30

  • o-Xylene, HPLC Grade, 96% min

    Alfa Aesar

    Formula: (CH3)2C6H4 Formula weight: 106.17 Purity: 96% min CAS Number: 95-47-6 UN Number: UN1307 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2902.41 Hazard Statements: H226-H312-H332-H315 Flammable liquid and vapour. Harmful in contact with skin. Harmful if…

  • 1,4-Oxathiane 4,4-dioxide, 99%

    Alfa Aesar

    Synonym(s): 4,4-Dioxo-1,4-oxathiane, 1,4-Thioxane 1,1-dioxide Formula: C4H8O3S Formula weight: 136.16 Purity: 99% CAS Number: 107-61-9 Harmonized Tariff Code:  2934.99

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