Reagents, O

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  • 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…

  • O(1),O(3)-Bis(ethoxycarbonylmethyl)-O(2),O(4)-dimethyl-p-tert-butylcalix[4]arene

    Alfa Aesar

    Synonym(s): O(1),O(3)-Bis(carbethoxymethyl)-O(2),O(4)-dimethyl-p-tert-butylcalix[4]arene Formula: C54H72O8 Formula weight: 849.16 CAS Number: 149775-71-3 Harmonized Tariff Code:  2918.99

  • Oxamide, 98+%

    Alfa Aesar

    Synonym(s): Oxalic diamide Formula: C2H4N2O2 Formula weight: 88.07 Purity: 98+% CAS Number: 471-46-5 Harmonized Tariff Code:  2924.19 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • Oxalyl chloride, 98%

    Alfa Aesar

    Formula: C2Cl2O2 Formula weight: 126.93 Purity: 98% CAS Number: 79-37-8 UN Number: UN2927 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2917.19 Hazard Statements: H331-H314-H318-H302 Toxic if inhaled. Causes severe skin burns and eye damage. Causes serious…

  • Oxalic acid, anhydrous, 98%

    Alfa Aesar

    Formula: C2H2O4 Formula weight: 90.04 Purity: 98% CAS Number: 144-62-7 UN Number: UN3261 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2917.11 Hazard Statements: H314-H302-H312 Causes severe skin burns and eye damage. Harmful if swallowed. Harmful in contact…

  • exo-7-Oxabicyclo[2.2.1]heptane-2,3-dicarboxylic anhydride, 98+%

    Alfa Aesar

    Synonym(s): exo-3,6-Epoxyhexahydrophthalic anhydride, Norcantharadin Formula: C8H8O4 Formula weight: 168.15 Purity: 98+% CAS Number: 29745-04-8 Harmonized Tariff Code:  2932.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause…

  • Oxalic acid dihydrate, 98%

    Alfa Aesar

    Formula: C2H2O4 2H2O Formula weight: 126.07 (90.04anhy) Purity: 98% CAS Number: 6153-56-6 UN Number: UN3261 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2917.11 Hazard Statements: H314-H302-H312 Causes severe skin burns and eye damage. Harmful if swallowed.…

  • Octenyltrichlorosilane, tech.

    Alfa Aesar

    Formula: C8H15Cl3Si Formula weight: 245.65 CAS Number: 153447-97-3 UN Number: UN2987 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2931.90 Hazard Statements: H314-H318 Causes severe skin burns and eye damage. Causes serious eye damage. Precautionary Statements:…

  • 1,2-O-Isopropylidene-^a-D-xylofuranose, 98%

    Alfa Aesar

    Synonym(s): 1,2-O-(1-Methylethylidene)-^a-D-xylofuranose, MAX Formula: C8H14O5 Formula weight: 190.19 Purity: 98% CAS Number: 20031-21-4 Harmonized Tariff Code:  2940.00

  • O-Acetylsalicylic acid, 99%

    Alfa Aesar

    Synonym(s): 2-Acetoxybenzoic acid Formula: C9H8O4 Formula weight: 180.15 Purity: 99% CAS Number: 50-78-2 Harmonized Tariff Code:  2918.22 Hazard Statements: H302-H315-H319-H335 Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • 1-Octanol, 99%

    Alfa Aesar

    Synonym(s): Capryl alcohol, n-Octyl alcohol Formula: C8H18O Formula weight: 130.23 Purity: 99% CAS Number: 111-87-5 Harmonized Tariff Code:  2905.16 Hazard Statements: H315-H319-H227 Causes skin irritation. Causes serious eye irritation. Combustible liquid. Precautionary…

  • Oxalic acid, 0.1N Standardized Solution

    Alfa Aesar

    Formula: HO2CCO2H Formula weight: 90.04 Harmonized Tariff Code:  3822.00 Hazard Statements: H315-H319 Causes skin irritation. Causes serious eye irritation. Precautionary Statements: P280-P305+P351+P338-P362-P321-P332+P313-P337+P313 Wear protective gloves/protective clothing/eye…

  • Oil Red O

    Alfa Aesar

    Synonym(s): C.I. 26125, Solvent Red 27 Formula: C26H24N4O Formula weight: 408.51 CAS Number: 1320-06-5 Harmonized Tariff Code:  3204.19

  • n-Octadecane, 99%

    Alfa Aesar

    Formula: CH3(CH2)16CH3 Formula weight: 254.50 Purity: 99% CAS Number: 593-45-3 Harmonized Tariff Code:  2901.10 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Oxalic acid, 10% w/v aq. soln.

    Alfa Aesar

    Formula: HO2CCO2H Formula weight: 90.04 UN Number: UN3265 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2917.11 Hazard Statements: H314-H318-H302-H312 Causes severe skin burns and eye damage. Causes serious eye damage. Harmful if swallowed. Harmful in contact with…

  • 1,2-Octanediol, 97%

    Alfa Aesar

    Synonym(s): 1,2-Dihydroxyoctane Formula: C8H18O2 Formula weight: 146.23 Purity: 97% CAS Number: 1117-86-8 Harmonized Tariff Code:  2905.39 Hazard Statements: H319 Causes serious eye irritation. Precautionary Statements: P280-P264-P305+P351+P338-P337+P313 Wear protective…

  • Orcein, for analysis

    Alfa Aesar

    CAS Number: 1400-62-0 Harmonized Tariff Code:  2934.99 Hazard Statements: H301 Toxic if swallowed. Precautionary Statements: P264-P270-P301+P310-P321-P405-P501a Wash thoroughly after handling. Do not eat, drink or smoke when using this product. IF SWALLOWED: Immediately call a POISON…

  • Ouabain octahydrate, 98%

    Alfa Aesar

    Synonym(s): ^y-Strophanthin Formula: C29H44O12 8H2O Formula weight: 728.78 (584.66anhy) Purity: 98% CAS Number: 11018-89-6 UN Number: UN1544 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2938.90 Hazard Statements: H300-H330-H373 Fatal if swallowed. Fatal…

  • Okadaic acid, 98%

    Alfa Aesar

    Formula: C44H68O13 Formula weight: 805.02 Purity: 98% CAS Number: 78111-17-8 UN Number: UN3462 Hazard Class: 6.1 Packing Group: I Harmonized Tariff Code:  2932.19 Hazard Statements: H300-H310-H330-H315 Fatal if swallowed. Fatal in contact with skin. Fatal if inhaled.…

  • Orange G/blue loading dye (6X)

    Alfa Aesar

    Harmonized Tariff Code:  3822.00

  • Oxytetracycline, 98+%

    Alfa Aesar

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

  • Oleyl alcohol, tech. 80-85%

    Alfa Aesar

    Synonym(s): cis-9-Octadecen-1-ol, cis-9-Octadecenyl alcohol Formula: C18H36O Formula weight: 268.48 Purity: tech. 80-85% CAS Number: 143-28-2 Harmonized Tariff Code:  2905.29 Hazard Statements: H315 Causes skin irritation. Precautionary Statements: …

  • Oleic acid, tech. 90%

    Alfa Aesar

    Synonym(s): cis-9-Octadecenoic acid Formula: C18H34O2 Formula weight: 282.47 Purity: tech. 90% CAS Number: 112-80-1 Harmonized Tariff Code:  2916.15 Hazard Statements: H315-H319 Causes skin irritation. Causes serious eye irritation. Precautionary Statements: …

  • n-Octyl 4-hydroxybenzoate, 98%

    Alfa Aesar

    Synonym(s): 4-Hydroxybenzoic acid n-octyl ester, Octylparaben Formula: C15H22O3 Formula weight: 250.34 Purity: 98% CAS Number: 1219-38-1 Harmonized Tariff Code:  2918.29 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause…

  • Oxytocin, 96%

    Alfa Aesar

    Synonym(s): Cys-Tyr-Ile-Gln-Asn-Cys-Pro-Leu-Gly-NH2 Formula: C43H66N12O12S2 Formula weight: 1007.19 Purity: 96% CAS Number: 50-56-6 UN Number: UN2811 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2937.19 Hazard Statements: H300-H361 Fatal if swallowed.…

  • 2-O-^a-D-Glucopyranosyl-L-ascorbic acid, 99.5%

    Alfa Aesar

    Synonym(s): Ascorbic acid 2-glucoside Formula: C12H18O11 Formula weight: 338.26 Purity: 99.5% CAS Number: 129499-78-1 Harmonized Tariff Code:  2936.27

  • O-Acetyl-L-carnitine hydrochloride

    Alfa Aesar

    Synonym(s): (R)-3-Acetoxy-4-(trimethylammonio)butyrate hydrochloride, L-Carnitine acetyl ester hydrochloride Formula: C9H17NO4 HCl Formula weight: 239.70 CAS Number: 5080-50-2 Harmonized Tariff Code:  2922.49 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious…

  • Oleyl alcohol, 99+%

    Alfa Aesar

    Synonym(s): cis-9-Octadecen-1-ol Formula: C18H36O Formula weight: 268.48 Purity: 99+% CAS Number: 143-28-2 Harmonized Tariff Code:  2905.29 Hazard Statements: H315 Causes skin irritation. Precautionary Statements: P280-P264-P362-P321-P332+P313-P302+P352 Wear protective…

  • 1-Octadecanol, 97%

    Alfa Aesar

    Synonym(s): n-Octadecyl alcohol, Stearyl alcohol Formula: CH3(CH2)17OH Formula weight: 270.50 Purity: 97% CAS Number: 112-92-5 Harmonized Tariff Code:  2905.17

  • 2-Octynoic acid, 98%

    Alfa Aesar

    Formula: CH3(CH2)4C CCO2H Formula weight: 140.18 Purity: 98% CAS Number: 5663-96-7 UN Number: UN3265 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2916.19 Hazard Statements: H314-H318 Causes severe skin burns and eye damage. Causes serious eye damage. …

  • Osmium powder, -200 mesh, 99.8% (metals basis)

    Alfa Aesar

    Purity: 99.8% (metals basis) CAS Number: 7440-04-2 UN Number: UN3089 Hazard Class: 4.1 Packing Group: II Harmonized Tariff Code:  7110.41 Hazard Statements: H228 Flammable solid. Precautionary Statements: P210-P280-P240-P241-P370+P378a Keep away from heat/sparks/open…

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