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  • Platinum, 1% on polyethyleneimine/SiO{2} powder

    Alfa Aesar

    CAS Number: 7440-06-4 Harmonized Tariff Code:  3815.12 Hazard Statements: H332-H335 Harmful if inhaled. May cause respiratory irritation. Precautionary Statements: P261-P304+P340-P312-P405-P403+P233-P501a Avoid breathing dust/fume/gas/mist/vapours/spray. IF INHALED: Remove to fresh air…

  • 1-(Phenylethynyl)cyclohexanol, 99%

    Alfa Aesar

    Formula: C14H16O Formula weight: 200.28 Purity: 99% CAS Number: 20109-09-5 Harmonized Tariff Code:  2906.29 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Phenyltrimethylammonium chloride, 98+%

    Alfa Aesar

    NOTE: Due to special handling or shipping requirements, these products will have additional fees added during checkout. Click HERE for a description of what fees might be charged.   Synonym(s): N,N,N-Trimethylanilinium chloride, Trimethylphenylammonium chloride Formula: …

  • 4-Pentyn-1-ol, 98%

    Alfa Aesar

    Formula: C5H8O Formula weight: 84.12 Purity: 98% CAS Number: 5390-04-5 Harmonized Tariff Code:  2905.29 Hazard Statements: H315-H319-H335-H227 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Combustible liquid. Precautionary Statements: …

  • 1,2-Propanediol monomethyl ether acetate, 99%, stab. with 50ppm BHT

    Alfa Aesar

    Synonym(s): 1-Methoxy-2-propyl acetate, Propylene glycol monomethyl ether acetate Formula: C6H12O3 Formula weight: 132.16 Purity: 99%, stab. with 50ppm BHT CAS Number: 108-65-6 UN Number: UN3272 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2915.39 Hazard…

  • Potassium chloride, ultra dry, 99.95% (metals basis)

    Alfa Aesar

    Formula: KCl Formula weight: 74.55 Purity: 99.95% (metals basis) CAS Number: 7447-40-7 Harmonized Tariff Code:  2827.39

  • Polyethyleneimine, branched, M.W. 10,000, 99%

    Alfa Aesar

    Formula: (-NHCH2CH2-)x(-N(CH2CH2NH2)CH2CH2-)y Purity: 99% CAS Number: 9002-98-6 Harmonized Tariff Code:  3909.30 Hazard Statements: H302 Harmful if swallowed. Precautionary Statements: P264-P270-P301+P312-P330-P501a Wash thoroughly after handling. Do not eat, drink or smoke when…

  • 3-Phenylhydantoin, 95%

    Alfa Aesar

    Synonym(s): 3-Phenyl-2,4-imidazolidinedione Formula: C9H8N2O2 Formula weight: 176.17 Purity: 95% CAS Number: 2221-13-8 Harmonized Tariff Code:  2933.29 Risk Phrases: 36/37/38 Irritating to eyes, respiratory system and skin. Safety Phrases: 26-37-60 In case of contact with…

  • Palladium(II) acetate, trimer, 99.98% (metals basis), Pd 47% min

    Alfa Aesar

    Formula: C12H18O12Pd3 Formula weight: 673.46 Purity: 99.98% (metals basis), Pd 47% min CAS Number: 3375-31-3 Harmonized Tariff Code:  2843.90 Hazard Statements: H318-H317 Causes serious eye damage. May cause an allergic skin reaction. Precautionary Statements: …

  • 2-Phenoxybenzoic acid, 98%

    Alfa Aesar

    Synonym(s): 2-Carboxydiphenyl ether Formula: C13H10O3 Formula weight: 214.22 Purity: 98% CAS Number: 2243-42-7 Harmonized Tariff Code:  2918.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • Potassium ethyl xanthate, 98%

    Alfa Aesar

    Synonym(s): Ethyl potassium xanthate, O-Ethylxanthic acid potassium salt Formula: C3H5KOS2 Formula weight: 160.30 Purity: 98% CAS Number: 140-89-6 Harmonized Tariff Code:  2930.90 Hazard Statements: H302-H315-H319-H335 Harmful if swallowed. Causes skin irritation. Causes serious…

  • Prima-1

    Alfa Aesar

    Synonym(s): 2,2-Bis(hydroxymethyl)quinuclidin-3-one Formula: C9H15NO3 Formula weight: 185.20 CAS Number: 5608-24-2 Harmonized Tariff Code:  2933.99 Risk Phrases: 22-43 Harmful if swallowed. May cause sensitisation by skin contact. Safety Phrases: 24-37-60 Avoid contact with…

  • 2-(1-Piperazinyl)phenol, 98%

    Alfa Aesar

    Synonym(s): 1-(2-Hydroxyphenyl)piperazine, 2-(1-Piperazino)phenol Formula: C10H14N2O Formula weight: 178.24 Purity: 98% CAS Number: 1011-17-2 UN Number: UN3263 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2933.59 Hazard Statements: H301-H314-H318 Toxic if…

  • 2-[4-(Boc-amino)-1-piperidinyl]pyridine-5-boronic acid pinacol ester, 96%

    Alfa Aesar

    Synonym(s): 2-[4-(tert-Butyloxycarbonylamino)-1-piperidinyl]pyridine-5-boronic acid pinacol ester Formula: C21H34BN3O4 Formula weight: 403.32 Purity: 96% CAS Number: 1042917-44-1 Harmonized Tariff Code:  2934.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes…

  • Parathyroid Hormone (53-84), human

    Alfa Aesar

    Synonym(s): PTH (53-84), human Formula: C149H253N43O54 Formula weight: 3510.90 CAS Number: 89439-30-5 Harmonized Tariff Code:  2937.90

  • Polystyrene latex microsphere, 1 micron, 2.5 wt% dispersion in water

    Alfa Aesar

    Formula: [-CH2CH(C6H5)-] n CAS Number: 9003-53-6 Harmonized Tariff Code:  3903.19

  • 3-Phenyl-1-propyne, 97%, stab.

    Alfa Aesar

    Formula: C9H8 Formula weight: 116.16 Purity: 97%, stab. CAS Number: 10147-11-2 UN Number: UN3295 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2902.90 Hazard Statements: H226-H315-H319-H335 Flammable liquid and vapour. Causes skin irritation. Causes serious…

  • Poly(2-methylaniline), emeraldine salt from p-toluenesulfonic acid

    Alfa Aesar

    Formula: -[C6H3(CH3)NH-] n.(C6H4CH3SO3)m Harmonized Tariff Code:  3909.30

  • Perfluoro(1,3-dimethylcyclohexane), tech. 90%

    Alfa Aesar

    Formula: C8F16 Formula weight: 400.06 Purity: tech. 90% CAS Number: 335-27-3 Harmonized Tariff Code:  2903.89

  • Pyrene, 98%

    Alfa Aesar

    Formula: C16H10 Formula weight: 202.26 Purity: 98% CAS Number: 129-00-0 Harmonized Tariff Code:  2902.90 Hazard Statements: H332 Harmful if inhaled. Precautionary Statements: P261-P271-P304+P340-P312 Avoid breathing dust/fume/gas/mist/vapours/spray. Use only outdoors or in a…

  • Pipemidic acid, 98%

    Alfa Aesar

    Formula: C14H17N5O3 Formula weight: 303.32 Purity: 98% CAS Number: 51940-44-4 Harmonized Tariff Code:  2933.59 Hazard Statements: H334-H317 May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause an allergic skin reaction. Precautionary Statements: …

  • Proteasome Substrate

    Alfa Aesar

    Synonym(s): Z-LLL-AMC, Z-Leu-Leu-Leu-AMC Formula: C36H48N4O7 Formula weight: 648.79 Harmonized Tariff Code:  2932.20

  • 1-(4-Iodophenyl)pyrrole, 97%

    Alfa Aesar

    Synonym(s): 4-(1-Pyrrolyl)iodobenzene Formula: C10H8IN Formula weight: 269.09 Purity: 97% CAS Number: 92636-36-7 Harmonized Tariff Code:  2933.99

  • Potassium 4-(azidomethyl)phenyltrifluoroborate, 95%

    Alfa Aesar

    Formula: C7H8BF3KN3 Formula weight: 241.06 Purity: 95% Harmonized Tariff Code:  2934.99 Risk Phrases: 36/37/38 Irritating to eyes, respir

  • [Pmp^1, Tyr(OMe)^2, Arg^8] Vasopressin

    Alfa Aesar

    Synonym(s): Pmp-Tyr(Me)-Phe-Gln-Asn-Cys-Pro-Arg-Gly-NH{2}, [^b-Mercapto-^b,^b-cyclopentamethylenepropionyl^1, Tyr(OMe)^2, Arg^8] Vasopressin Formula: C52H74N14O12S2 Formula weight: 1151.37 CAS Number: 73168-24-8 Harmonized Tariff Code:  2933.99 Risk Phrases: 20 Harmful by…

  • Palladium, 1% on activated carbon powder, standard, reduced, nominally 50% water…

    Alfa Aesar

    Harmonized Tariff Code:  3815.12

  • Pectin Citrus

    Alfa Aesar

    Synonym(s): Poly-D-galacturonic acid methyl ester CAS Number: 9000-69-5 Harmonized Tariff Code:  1302.20

  • Propargyl propionate, 98%

    Alfa Aesar

    Synonym(s): Propionic acid propargyl ester Formula: CH3CH2CO2CH2C CH Formula weight: 112.13 Purity: 98% CAS Number: 1932-92-9 UN Number: UN3272 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2915.50 Hazard Statements: H301-H226 Toxic if swallowed. Flammable…

  • Palladium nitrate, Matrix Modifier Solution, Specpure®

    Alfa Aesar

    Formula: 0.1 Pd in 10 HNO3 UN Number: UN2031 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  3822.00 Hazard Statemen

  • 1-Pyrenebutyric acid, 97%

    Alfa Aesar

    Synonym(s): 4-(1-Pyrenyl)butyric acid Formula: C20H16O2 Formula weight: 288.35 Purity: 97% CAS Number: 3443-45-6 Harmonized Tariff Code:  2916.39 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • 3-Piperidinemethanol, 96%

    Alfa Aesar

    Synonym(s): 3-(Hydroxymethyl)piperidine, 3-Piperidinyl carbinol Formula: C6H13NO Formula weight: 115.18 Purity: 96% CAS Number: 4606-65-9 UN Number: UN3259 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2933.39 Hazard Statements: H314-H318 Causes severe…

  • 1-Pyrrolidineacetonitrile, 97%

    Alfa Aesar

    NOTE: Due to special handling or shipping requirements, these products will have additional fees added during checkout. Click HERE for a description of what fees might be charged.   Synonym(s): 1-Cyanomethylpyrrolidine, (1-Pyrrolidino)acetonitrile Formula: C6H10N2 Formula…

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