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Alfa Aesar™ 1-Boc-4,5-dicyano-2-(2-pyridyl)imidazole, 97%

Chemical Name or Material: 1-Boc-4,5-dicyano-2-(2-pyridyl)imidazole Molecular Formula: C15H13N5O2 Formula Weight: 295.30g/mol MDL Number: MFCD20265212

Alfa Aesar™ 3-Chlorobenzylmagnesium chloride, 0.50M in 2-MeTHF

Chemical Name or Material: 3-Chlorobenzylmagnesium chloride CAS: 29874-01-9 Molecular Formula: C7H6Cl2Mg Formula Weight: 185.33g/mol MDL Number: MFCD01319894 UN Number: UN2924

Alfa Aesar™ Anxiety Peptide

For cellular and molecular biology applications

Alfa Aesar™ 1,2-Dichloro-4-nitrobenzene, 99%

Chemical Name or Material: 1,2-Dichloro-4-nitrobenzene CAS: 99-54-7 Molecular Formula: C6H3Cl2NO2 Formula Weight: 192.00g/mol MDL Number: MFCD00007207 UN Number: UN3077 Beilstein: 1818163 Synonym: 3,4-Dichloronitrobenzene; 4-Chloro-o-dichlorobenzene

Alfa Aesar™ 4-Chloro-3-nitrobenzoic acid, 99%

Chemical Name or Material: 4-Chloro-3-nitrobenzoic acid CAS: 96-99-1 Molecular Formula: C7H4ClNO4 Formula Weight: 201.57g/mol MDL Number: MFCD00007079 Beilstein: 783626

Alfa Aesar™ 2-(4-Cyanophenyl)benzimidazole-6-carboxylic acid, 97%

Chemical Name or Material: 2-(4-Cyanophenyl)benzimidazole-6-carboxylic acid Molecular Formula: C15H9N3O2 Formula Weight: 263.26g/mol MDL Number: MFCD20265213

Alfa Aesar™ Potassium hexachloropalladate(IV), Pd 26.3% min

Chemical Name or Material: Potassium hexachloropalladate(IV) CAS: 16919-73-6 Formula Weight: 397.32g/mol MDL Number: MFCD00043081 UN Number: UN3077

Alfa Aesar™ Dihydrogen hexafluorozirconate, 45% w/w aq. soln.

Chemical Name or Material: Dihydrogen hexafluorozirconate CAS: 12021-95-3 Formula Weight: 207.22g/mol MDL Number: MFCD00082965 UN Number: UN2922 Synonym: Hexafluorozirconic acid; Hydrogen hexafluorozirconate

Alfa Aesar™ Sodium perchlorate monohydrate, 97+%

Chemical Name or Material: Sodium perchlorate monohydrate CAS: 7791-07-3 Molecular Formula: NaClO4·H2O Formula Weight: 140.48g/mol (122.46g/mol Anhydrous) MDL Number: MFCD00149164 UN Number: UN1502 Merck Index: 14,8653

Alfa Aesar™ 4-Nitrophenylphosphorylcholine

Chemical Name or Material: 4-Nitrophenylphosphorylcholine CAS: 21064-69-7 Formula Weight: 304.24g/mol MDL Number: MFCD00077834 Beilstein: 1895422 Synonym: p-Nitrophenylphosphorylcholine; NPCC

Alfa Aesar™ 3-Amino-4-bromo-5-phenyl-1H-pyrazole, 96%

Chemical Name or Material: 3-Amino-4-bromo-5-phenyl-1H-pyrazole CAS: 2845-78-5 Molecular Formula: C9H8BrN3 Formula Weight: 238.09g/mol MDL Number: MFCD00082666 Synonym: 4-Bromo-5-phenyl-1H-pyrazol-3-amine

Alfa Aesar™ Silver foil, 1.0mm (0.04 in.) thick, hard, 99.9% (metals basis)

Chemical Name or Material: Silver foil CAS: 7440-22-4 Name Note: 1.0mm (0.04 in.) thick, Hard, Temper: spring hard MDL Number: MFCD00003397

Alfa Aesar™ 2,2,3,3-Tetrafluoropropyl methacrylate, 97%, stab. with 50ppm 4-methoxyphenol

Chemical Name or Material: 2,2,3,3-Tetrafluoropropyl methacrylate CAS: 45102-52-1 Name Note: stabilized with 50ppm 4-methoxyphenol Molecular Formula: C7H8F4O2 Formula Weight: 200.13g/mol MDL Number: MFCD00042381 UN Number: UN3272 Beilstein: 3588831 Synonym: Methacrylic acid 2,2,3,3-tetrafluoropropyl ester; 2,2,3,3-Tetrafluoropropyl 2-methylpropenoate

Alfa Aesar™ 4-(Boc-amino)benzonitrile, 97%

Chemical Name or Material: 4-(Boc-amino)benzonitrile CAS: 143090-18-0 Molecular Formula: C12H14N2O2 Formula Weight: 218.26g/mol MDL Number: MFCD08703141 Beilstein: 6326835

Alfa Aesar™ 4-Chloro-N-(2-ethylphenyl)butyramide, 97%

Chemical Name or Material: 4-Chloro-N-(2-ethylphenyl)butyramide Molecular Formula: C12H16ClNO Formula Weight: 225.71g/mol MDL Number: MFCD03362124

Alfa Aesar™ Amberlite IRA-68, ion exchange resin

Chemical Name or Material: Amberlite IRA-68 CAS: 9056-59-1 Name Note: ion exchange resin MDL Number: MFCD00145795 Merck Index: 14,382

Alfa Aesar™ 2',4',5'-Trifluoroacetophenone, 99%

Chemical Name or Material: 2',4',5'-Trifluoroacetophenone CAS: 129322-83-4 Molecular Formula: C8H5F3O Formula Weight: 174.12g/mol MDL Number: MFCD00061193

Alfa Aesar™ 2-(3-Amino-4-methylphenyl)-4-(4-biphenylyl)thiazole, 97%

Chemical Name or Material: 2-(3-Amino-4-methylphenyl)-4-(4-biphenylyl)thiazole Molecular Formula: C22H18N2S Formula Weight: 342.46g/mol MDL Number: MFCD22683000

Silver Foil, 0.28mm (0.011 in.) thick, hard, 99.9% (Metals basis), Alfa Aesar™

Chemical Name or Material: Silver Name Note: Hard CAS: 7440-22-4 Physical Form: Foil, 0.28mm (0.011 in.) thick Assay Percent Range: 99.9% (Metals basis) MDL Number: MFCD00003397

Alfa Aesar™ Zinc selenide, 99.995% (metals basis)

Chemical Name or Material: Zinc selenide CAS: 1315-09-9 Formula Weight: 144.33g/mol MDL Number: MFCD00011296 UN Number: UN3283 Merck Index: 14,10156

Alfa Aesar™ Phenyl isocyanate, 98+%

Chemical Name or Material: Phenyl isocyanate CAS: 103-71-9 Molecular Formula: C7H5NO Formula Weight: 119.12g/mol MDL Number: MFCD00001994 UN Number: UN2487 Beilstein: 471391 Merck Index: 14,7296

Alfa Aesar™ (+/-)-Piperazine-2-carboxylic acid, 98%

Chemical Name or Material: (+/-)-Piperazine-2-carboxylic acid CAS: 2762-32-5 Molecular Formula: C5H10N2O2 Formula Weight: 130.15g/mol MDL Number: MFCD00132878

Alfa Aesar™ 2-Fluoro-5-(trifluoromethyl)benzoyl chloride, 97%

Chemical Name or Material: 2-Fluoro-5-(trifluoromethyl)benzoyl chloride CAS: 207981-46-2 Molecular Formula: C8H3ClF4O Formula Weight: 226.56g/mol MDL Number: MFCD00061156 UN Number: UN3265 Synonym: alpha,alpha,alpha,6-Tetrafluoro-m-toluoyl chloride

Alfa Aesar™ 3-Iodoanisole, 98%

Chemical Name or Material: 3-Iodoanisole CAS: 766-85-8 Molecular Formula: C7H7IO Formula Weight: 234.04g/mol MDL Number: MFCD00001048 Beilstein: 1858896 Synonym: 3-Methoxyiodobenzene

1-Butanol, HPLC Grade, 99%, Alfa Aesar™

Chemical Name or Material: 1-Butanol CAS: 71-36-3 Purity Grade: HPLC Physical Form: Liquid Assay Percent Range: 99% Molecular Formula: CH3(CH2)3OH Formula Weight: 74.12g/mol MDL Number: MFCD00002964

Alfa Aesar™ 4-Chloro-N-phenylbutyramide, 97%

Chemical Name or Material: 4-Chloro-N-phenylbutyramide CAS: 7578-45-2 Molecular Formula: C10H12ClNO Formula Weight: 197.66g/mol MDL Number: MFCD01357318

Alfa Aesar™ Barium tetracyanoplatinate(II) tetrahydrate, Premion™, 99.99% (metals basis)

Chemical Name or Material: Barium tetracyanoplatinate(II) tetrahydrate CAS: 13755-32-3 Purity Grade: Premion™ Formula Weight: 508.56g/mol (436.50g/mol Anhydrous) MDL Number: MFCD00014183 UN Number: UN1564 Merck Index: 14,991

Alfa Aesar™ 2-(Trifluoromethyl)phenylacetonitrile, 97%

Chemical Name or Material: 2-(Trifluoromethyl)phenylacetonitrile CAS: 3038-47-9 Molecular Formula: C9H6F3N Formula Weight: 185.15g/mol MDL Number: MFCD00001903 UN Number: UN3439 Beilstein: 910055 Synonym: 2-(Trifluoromethyl)benzyl cyanide

Alfa Aesar™ 2,4-Dichlorophenol, 99%

Chemical Name or Material: 2,4-Dichlorophenol CAS: 120-83-2 Molecular Formula: C6H4Cl2O Formula Weight: 163.00g/mol MDL Number: MFCD00002169 UN Number: UN2928 Beilstein: 742467 Merck Index: 14,3072

Alfa Aesar™ Undecanoic acid, 98%

Chemical Name or Material: Undecanoic acid CAS: 112-37-8 Molecular Formula: CH3(CH2)9CO2H Formula Weight: 186.30g/mol MDL Number: MFCD00002730 Beilstein: 1759287


Special Offers

Alfa Aesar, now part of Thermo Fisher Scientific, offers leading manufacturer and supplier services for research chemicals, metals and materials in a wide span of applications. 

For more than 50 years, scientists have relied on us to supply high-purity raw materials for a variety of research and development applications. Today we offer over 46,000 products in stock, in sizes from gram-scale catalog items to semi-bulk and bulk production quantities. 

With custom manufacturing capabilities to supply many more specialized items, we are a one-stop source for research chemicals, metals and materials.