Alfa Aesar

alfa-aesar-campaign-pagealfa-aesar-campaign-page-m
Featured Products

Top Categories

fine-chemicals-top-category

Fine Chemicals

Where Science Meets Service

Alfa Aesar is a supplier of choice for chemicals and metals for research and development.

Shop Fine Chemicals

metals-materials-top-category

Metals & Materials

Quality Products You Can Trust

Our product line of metals and alloys range from aluminum to zirconium, featuring purities up to 99.9999%.

Search Metals and Materials

top-sellers-top-category

Popular Products

In-Stock Products Available Now

Explore your favorite products.

Explore Popular Products


Our Brands

Fisher BioReagents
Fisher Chemical
Maybridge
Acros Organics
Products
Alfa Aesar™ O-(7-Aza-1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate, 99%

Alfa Aesar™ O-(7-Aza-1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate, 99%

CAS: 148893-10-1 Molecular Formula: C10H15N6O Molecular Weight (g/mol): 235.27 MDL Number: MFCD00274639 InChI Key: WXIONIWNXBAHRU-UHFFFAOYSA-N Synonym: 2-3h-1,2,3 triazolo 4,5-b pyridin-3-yl-1,1,3,3-tetramethylisouronium hexafluorophosphate v, 2-3h-1,2,3 triazolo 4,5-b pyridin-3-yl-1,1,3,3-tetramethyluronium hexafluorophosphate v, 2-7-aza-1h-benzotriazole-1-yl-1,1,3,3-tetramethyl uronium hexafluorophosphate, 2-7-aza-1h-benzotriazole-1-yl-1,1,3,3-tetramethyluronium hexafluorophosphate, dimethylamino triazolo 4,5-b pyridin-3-yloxy methylene-dimethyl-ammonium hexafluorophosphate, hatu, n-dimethylamino 3h-1,2,3 triazolo 4,5-b pyridin-3-yloxy methylene-n-methylmethanaminium hexafluorophosphate, n-dimethylamino-1h-1,2,3-triazolo-4,5-b pyridin-1-ylmethylene-n-methylmethanaminium hexafluorophosphate n-oxide, o-7-azabenzotriazol-1-yl-n,n,n',n'-tetramethyluronium hexafluorophosphate, o-7-azabenzotriazol-1-yl-n,n,n,n-tetramethyl uronium hexafluorophosphate PubChem CID: 9886157 IUPAC Name: [dimethylamino(triazolo[4,5-b]pyridin-3-yloxy)methylidene]-dimethylazanium;hexafluorophosphate SMILES: CN(C)C(=[O+]N1N=NC2=CC=CN=C12)N(C)C

Coelenterazine, native, Aequorea sp., Alfa Aesar™

Coelenterazine, native, Aequorea sp., Alfa Aesar™

CAS: 55779-48-1 Molecular Formula: C26H21N3O3 Molecular Weight (g/mol): 423.472 MDL Number: MFCD00467176 InChI Key: YHIPILPTUVMWQT-UHFFFAOYSA-N Synonym: 2-p-hydroxybenzyl-6-p-hydroxyphenyl-8-benzylimidazo 1,2-a pyrazin-3-7h-one, 3,2-dihydro-2-p-hydroxybenzyl-6-p-hydroxyphenyl-8-benzylimidazolo 1,2-a pyrazin-3-one, 3o1cb88rrd, 8-benzyl-2-4-hydroxybenzyl-6-4-hydroxyphenyl imidazo 1,2-a pyrazin-3 7h-one, clzn, coelenterate luciferin, coelenterazine, coelenterazine, native, oplophorus luciferin, unii-3o1cb88rrd PubChem CID: 2830 ChEBI: CHEBI:2311 IUPAC Name: 8-benzyl-6-(4-hydroxyphenyl)-2-[(4-hydroxyphenyl)methyl]-7H-imidazo[1,2-a]pyrazin-3-one SMILES: C1=CC=C(C=C1)CC2=C3N=C(C(=O)N3C=C(N2)C4=CC=C(C=C4)O)CC5=CC=C(C=C5)O

Alfa Aesar™ Praseodymium(III) nitrate hexahydrate, REacton™, 99.99% (REO)

Alfa Aesar™ Praseodymium(III) nitrate hexahydrate, REacton™, 99.99% (REO)

CAS: 15878-77-0 Molecular Formula: H12N3O15Pr Molecular Weight (g/mol): 435.01 MDL Number: MFCD00149826 InChI Key: LXXCECZPOWZKLC-UHFFFAOYSA-N Synonym: ksc529q4r, nitric acid, praseodymium 3+ salt, hexahydrate, praseodymium 3+ hexahydrate trinitrate, praseodymium 3+ trinitrate hexahydrate, praseodymium iii nitrate hexahydrate, praseodymium iii nitrate, hexahydrate 1:3:6, praseodymium nitrate hexahydrate, praseodymium nitrate hydrate 1:3:6, praseodymium nitrate,, praseodymium trinitrate hexahydrate PubChem CID: 204170 IUPAC Name: praseodymium(3+);trinitrate;hexahydrate SMILES: [N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].O.O.O.O.O.O.[Pr+3]

Alfa Aesar™ Erbium pieces, distilled dendritic, 99.9% (REO)

Alfa Aesar™ Erbium pieces, distilled dendritic, 99.9% (REO)

CAS: 7440-52-0 Molecular Formula: Er Molecular Weight (g/mol): 167.259 MDL Number: MFCD00010987 InChI Key: UYAHIZSMUZPPFV-UHFFFAOYSA-N Synonym: chips, er3, erbio, foil, iii ion, ingot, pieces, pieces, distilled dendritic, powder, unii-77b218d3ye PubChem CID: 23980 ChEBI: CHEBI:33379 IUPAC Name: erbium SMILES: [Er]

Alfa Aesar™ 2'-O-Methylcytidine, 99%

Alfa Aesar™ 2'-O-Methylcytidine, 99%

CAS: 2140-72-9 Molecular Formula: C10H15N3O5 Molecular Weight (g/mol): 257.246 MDL Number: MFCD00056067 InChI Key: RFCQJGFZUQFYRF-ZOQUXTDFSA-N Synonym: 2'-o-methyl cytidine, 2'-o-methyl-cytidine, 2'-o-methylcytidine, 2-o-methylcytidine, 2/'-o-methylcytidine, 4-amino-1-2r,3r,4r,5r-4-hydroxy-5-hydroxymethyl-3-methoxytetrahydrofuran-2-yl pyrimidin-2 1h-one, cytidine, 2'-o-methyl, o 2'-methylcytidine, o-2-methylcytidine, o2'-methylcytidine PubChem CID: 150971 ChEBI: CHEBI:19228 IUPAC Name: 4-amino-1-[(2R,3R,4R,5R)-4-hydroxy-5-(hydroxymethyl)-3-methoxyoxolan-2-yl]pyrimidin-2-one SMILES: COC1C(C(OC1N2C=CC(=NC2=O)N)CO)O

Alfa Aesar™ Lutetium powder, -40 mesh, 99.9% (REO)

Alfa Aesar™ Lutetium powder, -40 mesh, 99.9% (REO)

CAS: 7439-94-3 Molecular Formula: Lu Molecular Weight (g/mol): 174.967 MDL Number: MFCD00011098 InChI Key: OHSVLFRHMCKCQY-UHFFFAOYSA-N Synonym: 5h0doz21uj, atom, cassiopeium, cassiopium, foil, foil, 0.127mm 0.005in thick reo, lutecio, lutecium, pieces, unii-5h0doz21uj PubChem CID: 23929 ChEBI: CHEBI:33382 IUPAC Name: lutetium SMILES: [Lu]

Alfa Aesar™ Praseodymium rod, 12.7mm (0.5 in.) dia., 99.5% (metals basis excluding Ta)

Alfa Aesar™ Praseodymium rod, 12.7mm (0.5 in.) dia., 99.5% (metals basis excluding Ta)

CAS: 7440-10-0 Molecular Formula: Pr Molecular Weight (g/mol): 140.908 MDL Number: MFCD00011174 InChI Key: PUDIUYLPXJFUGB-UHFFFAOYSA-N Synonym: acmc-1bktg, atom, chips, ingot, nkn7eza750, powder, praseodimio, praseodym, praseodyme, unii-nkn7eza750 PubChem CID: 23942 ChEBI: CHEBI:49828 IUPAC Name: praseodymium SMILES: [Pr]

Alfa Aesar™ Ytterbium powder, -200 mesh, 99.9% (REO)

Alfa Aesar™ Ytterbium powder, -200 mesh, 99.9% (REO)

CAS: 7440-64-4 Molecular Formula: Yb Molecular Weight (g/mol): 173.054 MDL Number: MFCD00011286 InChI Key: NAWDYIZEMPQZHO-UHFFFAOYSA-N Synonym: chips, 3n, foil, 3n, hydride, ii ion, ingot, ingot, 3n, mnq4o4wsi1, powder, unii-mnq4o4wsi1, yterbio PubChem CID: 23992 ChEBI: CHEBI:33381 IUPAC Name: ytterbium SMILES: [Yb]

Alfa Aesar™ Rhenium wire, 1.0mm (0.04 in.) dia., 99.97% (metals basis)

Alfa Aesar™ Rhenium wire, 1.0mm (0.04 in.) dia., 99.97% (metals basis)

CAS: 7440-15-5 Molecular Formula: Re Molecular Weight (g/mol): 186.207 MDL Number: MFCD00011195 InChI Key: WUAPFZMCVAUBPE-UHFFFAOYSA-N Synonym: 7yhu292iny, atom, foil, hydride, ion re7, pellets, renio, rhenium, elementar, rhenium, ion re7, unii-7yhu292iny PubChem CID: 23947 ChEBI: CHEBI:49882 IUPAC Name: rhenium SMILES: [Re]

Alfa Aesar™ Guanosine-5'-diphosphate disodium salt

Alfa Aesar™ Guanosine-5'-diphosphate disodium salt

CAS: 7415-69-2 Molecular Formula: C10H13N5Na2O11P2 Molecular Weight (g/mol): 487.17 MDL Number: MFCD00084665 InChI Key: LTZCGDIGAHOTKN-JTPGBVSTSA-L Synonym: 5-gdp pound not2na PubChem CID: 134129638 IUPAC Name: disodium;(2R,3S,4S,5R)-2-(2-amino-6-oxo-3H-purin-9-yl)-5-[[hydroxy(phosphonooxy)phosphoryl]oxymethyl]oxolane-3,4-diolate SMILES: [Na+].[Na+].NC1=NC(=O)C2=C(N1)N(C=N2)[C@@H]1OC(COP([O-])(=O)OP(O)([O-])=O)[C@@H](O)[C@H]1O

Molybdenum Foil, 0.025mm (0.001 in.) thick, 99.95% (Metals basis), Alfa Aesar™

Molybdenum Foil, 0.025mm (0.001 in.) thick, 99.95% (Metals basis), Alfa Aesar™

CAS: 7439-98-7 Molecular Formula: Mo Molecular Weight (g/mol): 95.95 MDL Number: MFCD00003465 InChI Key: ZOKXTWBITQBERF-UHFFFAOYSA-N Synonym: 6+ ion, amperit 106.2, atom, mchvl, metco 63, molybdenum, elemental, molybdenum, ion 6+, molybdenum, metallic, tsm1, vi ion PubChem CID: 23932 ChEBI: CHEBI:28685 IUPAC Name: molybdenum SMILES: [Mo]

Alfa Aesar™ Arsenic powder, -20 mesh, 99% (metals basis)

Alfa Aesar™ Arsenic powder, -20 mesh, 99% (metals basis)

CAS: 7440-38-2 Molecular Formula: As Molecular Weight (g/mol): 74.92 MDL Number: MFCD00085309 InChI Key: RQNWIZPPADIBDY-UHFFFAOYSA-N Synonym: arsen, arsenic, inorganic, arsenic-75, arsenicals, black, colloidal, compounds, gray, grey, metallic PubChem CID: 5359596 ChEBI: CHEBI:27563 IUPAC Name: arsenic SMILES: [As]

Alfa Aesar™ N,N-Dimethylacetamide, 99%

Alfa Aesar™ N,N-Dimethylacetamide, 99%

CAS: 127-19-5 Molecular Formula: C4H9NO Molecular Weight (g/mol): 87.12 MDL Number: MFCD00008686 InChI Key: FXHOOIRPVKKKFG-UHFFFAOYSA-N Synonym: acetamide, n,n-dimethyl, acetdimethylamide, acetyldimethylamine, dimethyl acetamide, dimethylacetamide, dimethylacetone amide, dimethylamide acetate, dmac, n,n-dimethyl acetamide, n,n-dimethylethanamide PubChem CID: 31374 ChEBI: CHEBI:84254 IUPAC Name: N,N-dimethylacetamide SMILES: CN(C)C(C)=O

Alfa Aesar™ L-Alanyl-L-glutamine, 99%

Alfa Aesar™ L-Alanyl-L-glutamine, 99%

CAS: 39537-23-0 Molecular Formula: C8H15N3O4 Molecular Weight (g/mol): 217.23 MDL Number: MFCD00133046 InChI Key: HJCMDXDYPOUFDY-WHFBIAKZSA-N Synonym: ala-gln, alanyl glutamine, alanyl-glutamine, alanylglutamine, dipeptamin, glutamax, h-ala-gln-oh, l-alanyl-l-glutamine, l-glutamine, l-alanyl, n 2-l-alanyl-l-glutamine PubChem CID: 123935 ChEBI: CHEBI:73788 IUPAC Name: (2S)-2-[(2S)-2-aminopropanamido]-4-carbamoylbutanoic acid SMILES: C[C@H](N)C(=O)N[C@@H](CCC(N)=O)C(O)=O

4-Dimethylaminocinnamaldehyde, 98+%, Affymetrix/USB™

4-Dimethylaminocinnamaldehyde, 98+%, Affymetrix/USB™

CAS: 6203-18-5 Molecular Formula: C11H13NO Molecular Weight (g/mol): 175.231 MDL Number: MFCD00007002 InChI Key: RUKJCCIJLIMGEP-ONEGZZNKSA-N Synonym: 3-4-dimethylamino phenyl acrylaldehyde, 4-dimethylamino cinnamaldehyde, 4-dimethylaminocinnamaldehyde, 4-dimethylcinnamaldehyde, cinnamaldehyde, p-dimethylamino, dmaca reagent, p-dimethylamino cinnamaldehyde, p-dimethylaminocinnamaldehyde, p-dimethylaminocinnamic aldehyde, unii-9rsi7wz9f0 PubChem CID: 5284506 IUPAC Name: (E)-3-[4-(dimethylamino)phenyl]prop-2-enal SMILES: CN(C)C1=CC=C(C=C1)C=CC=O

  spinner

Special Offers
alfa-aeser-logo-new

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.