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  • 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…

  • Citrate-buffered saline (20X)

    Alfa Aesar

    Synonym(s): SSC buffer, 20X, Saline-sodium citrate buffer, 20X CAS Number: 6132-04-3 Harmonized Tariff Code:  3822.00

  • Cesium chloride, 99.99% (metals basis)

    Alfa Aesar

    Formula: CsCl Formula weight: 168.36 Purity: 99.99% (metals basis) CAS Number: 7647-17-8 Harmonized Tariff Code:  2827.39

  • Calcium oxide, Puratronic r, 99.998% (metals basis, excluding other alkaline…

    Alfa Aesar

    Formula: CaO Formula weight: 56.08 Purity: 99.998% (metals basis, excluding other alkaline earth and alkali metals 130ppm max) CAS Number: 1305-78-8 UN Number: UN1910 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2825.90 Hazard Statements: H314-H318 Causes…

  • Copper(II) hydroxide, tech. 94%, stab.

    Alfa Aesar

    Formula: H2CuO2 Formula weight: 97.55 Purity: tech. 94%, stab. CAS Number: 20427-59-2 Harmonized Tariff Code:  2825.50 Hazard Statements: H318-H302-H335-H315 Causes serious eye damage. Harmful if swallowed. May cause respiratory irritation. Causes skin irritation. Precautionary…

  • Curcumin, 95% (total curcuminoid content), from Turmeric rhizome

    Alfa Aesar

    Synonym(s): 1,7-Bis(4-hydroxy-3-methoxyphenyl)-1,6-heptadiene-3,5-dione, C.I. 75300 Formula: C21H20O6 Formula weight: 368.39 Purity: 95% (total curcuminoid content), from Turmeric rhizome CAS Number: 458-37-7 Harmonized Tariff Code:  3203.00 Hazard Statements: H315-H319-H335 …

  • Copper(II) acetate, anhydrous

    Alfa Aesar

    Formula: Cu(OOCCH3)2 Formula weight: 181.63 CAS Number: 142-71-2 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2915.29 Hazard Statements: H318-H302 Causes serious eye damage. Harmful if swallowed. Precautionary Statements: …

  • (1S)-(+)-Camphor-10-sulfonyl chloride, 97%

    Alfa Aesar

    Formula: C10H15ClO3S Formula weight: 250.74 Purity: 97% CAS Number: 21286-54-4 UN Number: UN3261 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2914.70 Hazard Statements: H314-H318 Causes severe skin burns and eye damage. Causes serious eye damage. …

  • Citrate, 0.5M buffer soln., pH 3.0

    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, ACS, 90+%

    Alfa Aesar

    Synonym(s): Basic Violet 3, C.I. 42555 Formula: C25H30ClN3 Formula weight: 407.99 Purity: 90+% 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.…

  • 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 …

  • 2-Chloro-6-methylaniline, 98%

    Alfa Aesar

    Synonym(s): 2-Amino-3-chlorotoluene, 6-Chloro-o-toluidine Formula: C7H8ClN Formula weight: 141.60 Purity: 98% CAS Number: 87-63-8 UN Number: UN3429 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2921.43 Hazard Statements: H331-H373-H302-H312-H315-H319 …

  • Choline hydroxide, 46% w/w aq. soln.

    Alfa Aesar

    Synonym(s): (2-Hydroxyethyl)trimethylammonium hydroxide Formula: C5H15NO2 Formula weight: 121.18 CAS Number: 123-41-1 UN Number: UN3267 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2923.10 Hazard Statements: H314-H318 Causes severe skin burns and eye damage.…

  • Chromium powder, -100 mesh, 99% (metals basis)

    Alfa Aesar

    Purity: 99% (metals basis) CAS Number: 7440-47-3 UN Number: UN3089 Hazard Class: 4.1 Packing Group: III Harmonized Tariff Code:  8112.21 Hazard Statements: H228-H351 Flammable solid. Suspected of causing cancer. Precautionary Statements: P210-P280-P281-P308+P313-P405-P501a …

  • Cadmium, plasma standard solution, Specpure r, Cd 10,000µg/ml

    Alfa Aesar

    Formula: Cd in 5 HNO3 UN Number: UN3264 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  3822.00 Hazard Statements: H350-H341-H361-H373-H314 May cause cancer. Suspected of causing genetic defects. Suspected of damaging fertility or the unborn child. May cause damage to…

  • 2-Chloro-4-methylaniline, 98%

    Alfa Aesar

    Synonym(s): 4-Amino-3-chlorotoluene, 2-Chloro-p-toluidine Formula: C7H8ClN Formula weight: 141.60 Purity: 98% CAS Number: 615-65-6 UN Number: UN3429 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2921.43 Hazard Statements: H331-H373-H302-H312-H315-H319 …

  • 4-(4-Chlorobenzyl)pyridine, 97%

    Alfa Aesar

    Formula: C12H10ClN Formula weight: 203.67 Purity: 97% CAS Number: 4409-11-4 Harmonized Tariff Code:  2933.39 Hazard Statements: H315-H319 Causes skin irritation. Causes serious eye irritation. Precautionary Statements: P280-P305+P351+P338-P362-P321-P332+P313-P337+P313 Wear…

  • Caffeine, 99.7%

    Alfa Aesar

    Formula: C8H10N4O2 Formula weight: 194.19 Purity: 99.7% CAS Number: 58-08-2 UN Number: UN1544 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2939.30 Hazard Statements: H302 Harmful if swallowed. Precautionary Statements: P264-P270-P301+P312-P330-P501a …

  • Calconcarboxylic acid, 94% (dry wt.), water <10%

    Alfa Aesar

    Synonym(s): 3-Hydroxy-4-(2-hydroxy-4-sulfo-1-naphthylazo)-2-naphthalenecarboxylic acid, Patton and Reeder's Reagent Formula: C21H14N2O7S Formula weight: 438.42 Purity: 94% (dry wt.), water CAS Number: 3737-95-9 Harmonized Tariff Code:  2927.00 Hazard Statements: H315-H319-H335 …

  • 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…

  • Carbon disulfide, low benzene, 99.9%

    Alfa Aesar

    Formula: CS2 Formula weight: 76.14 Purity: 99.9% CAS Number: 75-15-0 UN Number: UN1131 Hazard Class: 3 Packing Group: I Harmonized Tariff Code:  2813.10 Hazard Statements: H225-H372-H361-H302-H315-H319 Highly flammable liquid and vapour. Causes damage to organs through…

  • Copper aluminum oxide, 99.5% (metals basis)

    Alfa Aesar

    Formula: CuAl2O4, may contain some CuO Formula weight: 181.50 Purity: 99.5% (metals basis) CAS Number: 12042-92-1 Harmonized Tariff Code:  2841.90

  • Carnauba wax

    Alfa Aesar

    Synonym(s): Wax CAS Number: 8015-86-9 Harmonized Tariff Code:  1521.10

  • Caloxin 2A1

    Alfa Aesar

    Synonym(s): Val-Ser-Asn-Ser-Asn-Trp-Pro-Ser-Phe-Pro-Ser-Ser-Gly-Gly-Gly-NH{2} Formula: C64H91N19O22 Formula weight: 1478.54 Harmonized Tariff Code:  2933.99

  • 1-Chloro-2-methyl-2-propanol, 98%

    Alfa Aesar

    Synonym(s): Chloro-tert-butanol Formula: C4H9ClO Formula weight: 108.57 Purity: 98% CAS Number: 558-42-9 UN Number: UN1987 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2905.59 Hazard Statements: H226-H315-H319-H335 Flammable liquid and vapour. Causes skin…

  • ^b-Casomorphin (1-4), amide, bovine

    Alfa Aesar

    Synonym(s): Tyr-Pro-Phe-Pro-NH{2} Formula: C28H35N5O5 Formula weight: 521.61 CAS Number: 74135-04-9 Harmonized Tariff Code:  2933.99

  • o-Cresol, 98+%

    Alfa Aesar

    Synonym(s): 2-Methylphenol Formula: C7H8O Formula weight: 108.14 Purity: 98+% CAS Number: 95-48-7 UN Number: UN3455 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2907.12 Hazard Statements: H301-H311-H314-H318 Toxic if swallowed. Toxic in contact with…

  • p-Cresol, 99%

    Alfa Aesar

    Synonym(s): 4-Methylphenol Formula: C7H8O Formula weight: 108.14 Purity: 99% CAS Number: 106-44-5 UN Number: UN3455 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2907.12 Hazard Statements: H301-H311-H314-H318 Toxic if swallowed. Toxic in contact with…

  • Chromyl chloride, 99.99% (metals basis)

    Alfa Aesar

    Synonym(s): Chromium oxychloride, Chromium(VI) dichloride dioxide Formula: CrO2Cl2 Formula weight: 154.90 Purity: 99.99% (metals basis) CAS Number: 14977-61-8 UN Number: UN1758 Hazard Class: 8 Packing Group: I Harmonized Tariff Code:  2827.49 Hazard Statements: …

  • Cesium nitrate, 99.8% (metals basis)

    Alfa Aesar

    Formula: CsNO3 Formula weight: 194.91 Purity: 99.8% (metals basis) CAS Number: 7789-18-6 UN Number: UN1451 Hazard Class: 5.1 Packing Group: III Harmonized Tariff Code:  2834.29 Hazard Statements: H272-H315-H319-H335 May intensify fire; oxidizer. Causes skin irritation.…

  • 1-Chloro-4-nitrobenzene, 98+%

    Alfa Aesar

    Synonym(s): 4-Nitrochlorobenzene Formula: C6H4ClNO2 Formula weight: 157.56 Purity: 98+% CAS Number: 100-00-5 UN Number: UN1578 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2904.90 Hazard Statements: H301-H311-H331-H341-H351-H373 Toxic if swallowed. Toxic…

  • Cerium(III) ammonium nitrate tetrahydrate, Reagent Grade

    Alfa Aesar

    Synonym(s): Ammonium cerium(III) nitrate Formula: H8CeN7O15 4H2O Formula weight: 558.28 (486.22anhy) CAS Number: 13083-04-0 UN Number: UN1477 Hazard Class: 5.1 Packing Group: III Harmonized Tariff Code:  2846.10 Hazard Statements: H272-H315-H319 May intensify fire;…

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