Reagents, C

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  • 2-Chloro-5-nitrobenzotrifluoride, 98%

    Alfa Aesar

    Formula: C7H3ClF3NO2 Formula weight: 225.55 Purity: 98% CAS Number: 777-37-7 Packing Group: III Harmonized Tariff Code:  2904.90 Hazard Statements: H311-H332-H315-H319 Toxic in contact with skin. Harmful if inhaled. Causes skin irritation. Causes serious eye irritation. …

  • Casein Peptone

    Alfa Aesar

    Synonym(s): Peptones, casein CAS Number: 91079-40-2 Harmonized Tariff Code:  3504.00

  • 4-Chloroaniline, 98%

    Alfa Aesar

    Formula: C6H6ClN Formula weight: 127.57 Purity: 98% CAS Number: 106-47-8 UN Number: UN2018 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2921.42 Hazard Statements: H301-H311-H331-H350-H317 Toxic if swallowed. Toxic in contact with skin. Toxic if inhaled. May…

  • Cobalt(II) sulfate heptahydrate, 98%

    Alfa Aesar

    Formula: CoO4S 7H2O Formula weight: 281.10 (154.99anhy) Purity: 98% CAS Number: 10026-24-1 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2833.29 Hazard Statements: H334-H350-H360-H341-H302-H317 May cause allergy or asthma symptoms or…

  • Chlorotris(triphenylphosphine)rhodium(I), 97%

    Alfa Aesar

    Synonym(s): Wilkinson's catalyst, Tris(triphenylphosphine)rhodium(I) chloride Formula: C54H45ClP3Rh Formula weight: 925.23 Purity: 97% CAS Number: 14694-95-2 Harmonized Tariff Code:  2843.90 Risk Phrases: 53 May cause long-term adverse effects in the aquatic environment. …

  • Chlorotrimethylsilane, 98+%

    Alfa Aesar

    Synonym(s): TMS chloride, Trimethylchlorosilane Formula: C3H9ClSi Formula weight: 108.64 Purity: 98+% CAS Number: 75-77-4 UN Number: UN1298 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2931.90 Hazard Statements: H225-H311-H314-H318 Highly flammable liquid…

  • Cobalt oxide, typically 3.4-4.5%, Molybdenum oxide typically 11.5-14.5% on…

    Alfa Aesar

    Purity: typically 3.4-4.5%, Molybdenum oxide typically 11.5-14.5% on alumina Harmonized Tariff Code:  3815.19 Hazard Statements: H317 May cause an allergic skin reaction.

  • Cobalt(II) oxide, 99.995% (metals basis)

    Alfa Aesar

    Formula: CoO, may contain up to 10 Co3O4 Formula weight: 74.93 Purity: 99.995% (metals basis) CAS Number: 1307-96-6 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2822.00 Hazard Statements: H351-H302-H317 Suspected of causing cancer.…

  • Cellulose, microcrystalline

    Alfa Aesar

    CAS Number: 9004-34-6 Harmonized Tariff Code:  3912.90 Hazard Statements: H335 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 and keep at rest in a…

  • Calcium chloride, anhydrous, 93%

    Alfa Aesar

    Formula: CaCl2 Formula weight: 110.99 Purity: 93% CAS Number: 10043-52-4 Harmonized Tariff Code:  2827.20 Hazard Statements: H319 Causes serious eye irritation. Precautionary Statements: P280-P264-P305+P351+P338-P337+P313 Wear protective gloves/protective clothing/eye…

  • Carboxymethylcellulose sodium salt

    Alfa Aesar

    CAS Number: 9004-32-4 Harmonized Tariff Code:  3912.31

  • Calcium D-gluconate monohydrate, 98+%

    Alfa Aesar

    Synonym(s): D-Gluconic acid calcium salt Formula: C12H22CaO14 H2O Formula weight: 448.40 (430.37anhy) Purity: 98+% CAS Number: 66905-23-5 Harmonized Tariff Code:  2918.16

  • Calcium iodide, anhydrous, 99.5% (metals basis)

    Alfa Aesar

    Formula: CaI2 Formula weight: 293.89 Purity: 99.5% (metals basis) CAS Number: 10102-68-8 Harmonized Tariff Code:  2827.60 Hazard Statements: H315-H319 Causes skin irritation. Causes serious eye irritation. Precautionary Statements: …

  • Citrate, 0.5M buffer soln., pH 5.0

    Alfa Aesar

    CAS Number: 6132-04-3 Harmonized Tariff Code:  2918.15 Hazard Statements: H318 Causes serious eye damage. Precautionary Statements: P280-P305+P351+P338-P310 Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several…

  • Crystal Violet

    Alfa Aesar

    Synonym(s): Basic Violet 3, C.I. 42555 Formula: C25H30ClN3 Formula weight: 407.99 CAS Number: 548-62-9 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  3204.13 Hazard Statements: H318-H351-H302 Causes serious eye damage. Suspected of causing…

  • Copper(II) selenite hydrate, 97%

    Alfa Aesar

    Formula: CuO3Se xH2O Formula weight: 190.50(anhy) Purity: 97% CAS Number: 10214-40-1 UN Number: UN2630 Hazard Class: 6.1 Packing Group: I Harmonized Tariff Code:  2842.90 Hazard Statements: H301-H331-H373 Toxic if swallowed. Toxic if inhaled. May cause damage to organs…

  • Copper(II) sulfate pentahydrate, 99%

    Alfa Aesar

    Synonym(s): Cupric sulfate Formula: CuSO4 5H2O Formula weight: 249.68 (159.60anhy) Purity: 99% CAS Number: 7758-99-8 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2833.25 Hazard Statements: H302-H315-H319 Harmful if swallowed. Causes skin…

  • Chloramphenicol, 99+%

    Alfa Aesar

    Synonym(s): Chloromycetin CAS Number: 56-75-7 MDL: MFCD00078159 EINECS: 200-287-4 Formula: C11H12Cl2N2O5 Formula Weight: 323.14 Melting Point: 149-152° Optical Rotation: +19° (c=6 in…

  • m-Cresol, 99%

    Alfa Aesar

    Synonym(s): 3-Methylphenol Formula: C7H8O Formula weight: 108.14 Purity: 99% CAS Number: 108-39-4 UN Number: UN2076 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2907.12 Hazard Statements: H301-H311-H314-H318-H227 Toxic if swallowed. Toxic in contact with…

  • Chlorpromazine hydrochloride, 98+%

    Alfa Aesar

    Synonym(s): Hebanil, Klorpromex Formula: C17H19ClN2S HCl Formula weight: 355.30 Purity: 98+% CAS Number: 69-09-0 UN Number: UN2811 Hazard Class: 6.1 Packing Group: I Harmonized Tariff Code:  2934.30 Hazard Statements: H301-H330 Toxic if swallowed. Fatal if inhaled. …

  • Cadmium chloride hemipentahydrate, ACS, 79.5-81.0%

    Alfa Aesar

    Formula: CdCl2 2.5H2O Formula weight: 228.36 (183.32anhy) CAS Number: 7790-78-5 UN Number: UN2570 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2827.39 Hazard Statements: H301-H330-H340-H350-H360-H372 Toxic if swallowed. Fatal if inhaled. May cause genetic…

  • Chromium(III) potassium sulfate dodecahydrate, 98%

    Alfa Aesar

    Synonym(s): Chrome alum Formula: CrKO8S2 12H2O Formula weight: 499.39 (283.21anhy) Purity: 98% CAS Number: 7788-99-0 Harmonized Tariff Code:  2833.30 Hazard Statements: H315-H319 Causes skin irritation. Causes serious eye irritation. Precautionary Statements: …

  • 3'-Chloro-2'-fluoroacetophenone, 96%

    Alfa Aesar

    Formula: C8H6ClFO Formula weight: 172.59 Purity: 96% CAS Number: 161957-59-1 Harmonized Tariff Code:  2914.70 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Cefprozil

    Alfa Aesar

    Formula: C18H19N3O5S Formula weight: 389.42 CAS Number: 92665-29-7 Harmonized Tariff Code:  2941.90

  • Caffeine, 99%

    Alfa Aesar

    Synonym(s): 3,7-Dihydro-1,3,7-trimethyl-1H-purine-2,6-dione, 1,3,7-Trimethylxanthine Formula: C8H10N4O2 Formula weight: 194.19 Purity: 99% CAS Number: 58-08-2 UN Number: UN1544 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2939.30 Hazard Statements: H302 …

  • 1-Chlorobutane, 99+%

    Alfa Aesar

    Synonym(s): n-Butyl chloride Formula: CH3(CH2)3Cl Formula weight: 92.57 Purity: 99+% CAS Number: 109-69-3 UN Number: UN1127 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2903.19 Hazard Statements: H225 Highly flammable liquid and vapour. Precautionary…

  • 2-Chloroaniline, 98+%

    Alfa Aesar

    Formula: C6H6ClN Formula weight: 127.57 Purity: 98+% CAS Number: 95-51-2 UN Number: UN2019 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2921.42 Hazard Statements: H301-H311-H331-H373 Toxic if swallowed. Toxic in contact with skin. Toxic if inhaled. May…

  • Cumene hydroperoxide, tech. 80%

    Alfa Aesar

    Synonym(s): Cumyl hydroperoxide, ^a,^a-Dimethylbenzyl hydroperoxide Formula: C9H12O2 Formula weight: 152.20 Purity: tech. 80% CAS Number: 80-15-9 UN Number: UN3109 Hazard Class: 5.2 Packing Group: II Harmonized Tariff Code:  2909.60 Hazard Statements: …

  • 2-Chlorobenzaldehyde, 97%

    Alfa Aesar

    Formula: C7H5ClO Formula weight: 140.57 Purity: 97% CAS Number: 89-98-5 UN Number: UN3265 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2913.00 Hazard Statements: H314-H318-H227 Causes severe skin burns and eye damage. Causes serious eye damage. Combustible…

  • Clindamycin hydrochloride monohydrate

    Alfa Aesar

    Formula: C18H33ClN2O5S HCl H2O Formula weight: 479.46 (461.44anhy) CAS Number: 58207-19-5 Harmonized Tariff Code:  2941.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

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