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Everything an organic chemist needs: innovative reagents, organic and metal catalysts, ligands, and versatile building blocks.

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Supporting materials science with a wide range of well-known and novel monomers and energy research supplies with device-tested and organic optical materials for solar panels.

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An extensive selection of life sciences products for use in academic, pharmaceutical, and biotech laboratories, including nucleosides, nucleotides, nucleic acids, amino acids, sugars, lipids, and more.

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Find TCI Lead Iodide, 99.99% Trace Metals Basis for your solar panel research.

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Primary Building Block

Support your polymer science research and more with TCI 4-Methyl-2-Pentyne.

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Greater Than 99% Pure

Count on TCI Hexafluoroisopropanol for your organic synthesis and as a specialty solvent for some polar polymers.

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2,3-Dimethyl-1-butene 98.0+%, TCI America™

CAS: 563-78-0 Molecular Formula: C6H12 Molecular Weight (g/mol): 84.162 MDL Number: MFCD00008923 InChI Key: OWWIWYDDISJUMY-UHFFFAOYSA-N Synonym: 1-butene, 2,3-dimethyl, 1-butene, 2,3-dimethyl-8ci 9ci, 2,3-dimethyl butene, 2,3-dimethyl-1-butene, 2,3-dimethylbutene, 2,3-dimethylbutene-1, acmc-1aqwm, butene, 2,3-dimethyl, ch3 2chc ch3 =ch2 PubChem CID: 11249 IUPAC Name: 2,3-dimethylbut-1-ene SMILES: CC(C)C(=C)C

3-Fluorophthalic Anhydride 98.0+%, TCI America™

CAS: 652-39-1 Molecular Formula: C8H3FO3 Molecular Weight (g/mol): 166.11 MDL Number: MFCD00039696 InChI Key: WWJAZKZLSDRAIV-UHFFFAOYSA-N Synonym: 1,3-isobenzofurandione, 4-fluoro, 3-fluorophthalic anhydride, 3-fluorophthalicanhydride, 4-fluor-2-benzofuran-1,3-dion, 4-fluoro-1,3-dihydro-2-benzofuran-1,3-dione, 4-fluoro-1,3-isobenzofurandione, 4-fluoroisobenzofuran-1,3-dione, 5-fluoro-isobenzofurandione, fluorophthalic anhydride, pubchem1949 PubChem CID: 69551 IUPAC Name: 4-fluoro-1,3-dihydro-2-benzofuran-1,3-dione SMILES: FC1=CC=CC2=C1C(=O)OC2=O

Trimethylsilyl Difluoro(fluorosulfonyl)acetate 96.0+%, TCI America™

CAS: 120801-75-4 Molecular Formula: C5H9F3O4SSi Molecular Weight (g/mol): 250.26 MDL Number: MFCD02093343 InChI Key: XHVSCKNABCCCAC-UHFFFAOYSA-N Synonym: 2,2-difluoro-2-fluorosulfonyl acetic acid trimethylsilyl ester, acmc-1c7yr, g00021-watson-int, pubchem22642, trimethylsilyl 2,2-difluoro-2-fluorosulfonyl acetate, trimethylsilyl 2-fluorosulfonyl difluoroacetate, trimethylsilyl 2-fluorosulphonyl difluoroacetate, trimethylsilyl difluoro fluorosulfonyl acetate, trimethylsilyl fluorosulfonyldifluoroacetate, trimethylsilyl2-fluorosulphonyl difluoroacetate PubChem CID: 2778022 IUPAC Name: trimethylsilyl 2,2-difluoro-2-(fluorosulfonyl)acetate SMILES: C[Si](C)(C)OC(=O)C(F)(F)S(F)(=O)=O

Deltamethrin 97.0+%, TCI America™

CAS: 52918-63-5 Molecular Formula: C22H19Br2NO3 Molecular Weight (g/mol): 505.206 MDL Number: MFCD00870122 InChI Key: OWZREIFADZCYQD-FLXSOZOKSA-N Synonym: deltamethrin PubChem CID: 13013599 IUPAC Name: [(S)-cyano-(3-phenoxyphenyl)methyl] (1R)-3-(2,2-dibromoethenyl)-2,2-dimethylcyclopropane-1-carboxylate SMILES: CC1(C(C1C(=O)OC(C#N)C2=CC(=CC=C2)OC3=CC=CC=C3)C=C(Br)Br)C

Benzoyl Fluoride 98.0+%, TCI America™

CAS: 455-32-3 Molecular Formula: C7H5FO Molecular Weight (g/mol): 124.11 MDL Number: MFCD00000364 InChI Key: HPMLGNIUXVXALD-UHFFFAOYSA-N Synonym: acmc-1alcy, benzoylfluorid, benzoylfluoride, hpmlgniuxvxald-uhfffaoysa, lor25i34hd, unii-lor25i34hd PubChem CID: 67999 IUPAC Name: benzoyl fluoride SMILES: FC(=O)C1=CC=CC=C1

Cesium(I) Bis(trifluoromethanesulfonyl)imide 98.0+%, TCI America™

CAS: 91742-16-4 Molecular Formula: C2CsF6NO4S2 Molecular Weight (g/mol): 413.041 InChI Key: NDUUPYVMAUBBMO-UHFFFAOYSA-N Synonym: Bis(trifluoromethanesulfonyl)imide Cesium(I) Salt, Cesium(I) Triflimide PubChem CID: 101771832 IUPAC Name: cesium;bis(trifluoromethylsulfonyl)azanide SMILES: C(F)(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F.[Cs+]

5-Methyl-3,4-diphenylisoxazole 98.0+%, TCI America™

CAS: 37928-17-9 Molecular Formula: C16H13NO Molecular Weight (g/mol): 235.286 MDL Number: MFCD18449672 InChI Key: ZXIRUKJWLADSJS-UHFFFAOYSA-N Synonym: 3,4-diphenyl-5-methyl isoxazole, 3,4-diphenyl-5-methyl-isoxazole, 3,4-diphenyl-5-methylisoxazole, 5-methyl-3,4-diphenyl isoxazole, 5-methyl-3,4-diphenyl-isoxazole, 5-methyl-3,4-diphenylisoxazole, d04ypp, isoxazole, 5-methyl-3,4-diphenyl PubChem CID: 9991673 IUPAC Name: 5-methyl-3,4-diphenyl-1,2-oxazole SMILES: CC1=C(C(=NO1)C2=CC=CC=C2)C3=CC=CC=C3

Piceid 95.0+%, TCI America™

CAS: 27208-80-6 Molecular Formula: C20H22O8 Molecular Weight (g/mol): 390.388 MDL Number: MFCD00210592 InChI Key: HSTZMXCBWJGKHG-CUYWLFDKSA-N PubChem CID: 5281718 ChEBI: CHEBI:8198 IUPAC Name: (2S,3R,4S,5S,6R)-2-[3-hydroxy-5-[(E)-2-(4-hydroxyphenyl)ethenyl]phenoxy]-6-(hydroxymethyl)oxane-3,4,5-triol SMILES: C1=CC(=CC=C1C=CC2=CC(=CC(=C2)OC3C(C(C(C(O3)CO)O)O)O)O)O

1,2:3,4-Di-O-isopropylidene-alpha-D-galactopyranose 92.0+%, TCI America™

CAS: 4064-06-6 Molecular Formula: C12H20O6 Molecular Weight (g/mol): 260.29 MDL Number: MFCD00063225 InChI Key: POORJMIIHXHXAV-UHFFFAOYNA-N Synonym: 1,2:3,4-bis-o-1-methylethylidene-, 1,2:3,4-di-o-isopropylidene-, 1,2:3,4-di-o-isopropylidene-d-galactose, 1s,6r,9s-4,4,11,11-tetramethyl-3,5,7,10,12-pentaoxatricyclo 7.3.0.0 2 ,? dodecan-8-yl methanol, a-d-galactopyranose PubChem CID: 70793572 IUPAC Name: [(3aR,5aS,8aS)-2,2,7,7-tetramethyl-5,5a,8a,8b-tetrahydro-3aH-di[1,3]dioxolo[4,5-a SMILES: CC1(OC2C(OC3C(C2O1)OC(O3)(C)C)CO)C

1,3-Bis(2,6-diisopropylphenyl)imidazol-2-ylidene 98.0+%, TCI America™

CAS: 244187-81-3 Molecular Formula: C27H36N2 Molecular Weight (g/mol): 388.599 MDL Number: MFCD07781991 InChI Key: VYCIHDBIKGRENI-UHFFFAOYSA-N Synonym: IPr PubChem CID: 11271730 IUPAC Name: 1,3-bis[2,6-di(propan-2-yl)phenyl]-2H-imidazol-1-ium-2-ide SMILES: CC(C)C1=C(C(=CC=C1)C(C)C)N2C=C[N+](=[C-]2)C3=C(C=CC=C3C(C)C)C(C)C

1-Aminopyrene 98.0+%, TCI America™

CAS: 1606-67-3 Molecular Formula: C16H11N Molecular Weight (g/mol): 217.27 MDL Number: MFCD00004140 InChI Key: YZVWKHVRBDQPMQ-UHFFFAOYSA-N Synonym: 1-aminopyrene, 1-pyrenamine, 3-aminopyrene, alpha-aminopyrene, aminopyrene, ccris 760, pyren-1-ylamine, pyrenamine, pyrene, amino, unii-luw9eo1681 PubChem CID: 15352 IUPAC Name: pyren-1-amine SMILES: NC1=CC=C2C=CC3=CC=CC4=CC=C1C2=C34

Diphenyl Oxalate 98.0+%, TCI America™

CAS: 3155-16-6 Molecular Formula: C14H10O4 Molecular Weight (g/mol): 242.23 MDL Number: MFCD00059682 InChI Key: ULOZDEVJRTYKFE-UHFFFAOYSA-N Synonym: Oxalic Acid Diphenyl Ester PubChem CID: 18475 IUPAC Name: diphenyl oxalate SMILES: C1=CC=C(C=C1)OC(=O)C(=O)OC2=CC=CC=C2

3-Bromophenol 95.0+%, TCI America™

CAS: 591-20-8 Molecular Formula: C6H5BrO Molecular Weight (g/mol): 173.01 MDL Number: MFCD00002253 InChI Key: MNOJRWOWILAHAV-UHFFFAOYSA-N Synonym: 3 bromophenol, 3-bromanylphenol, 3-bromo phenol, 3-bromo-phenol, m-bromophenol, meta bromophenol, meta-bromophenol, phenol, 3-bromo, phenol, m-bromo, unii-vmu0x6956y PubChem CID: 11563 IUPAC Name: 3-bromophenol SMILES: OC1=CC=CC(Br)=C1

Dichloromethylenedimethyliminium Chloride 97.0+%, TCI America™

CAS: 33842-02-3 Molecular Formula: C3H6Cl3N Molecular Weight (g/mol): 162.44 MDL Number: MFCD00011870 InChI Key: NRNFKRFWZQQDMD-UHFFFAOYSA-M Synonym: dichloromethylene dimethylammonium chloride, dichloromethylene-dimethyliminium chloride, dichloromethylenedimethylammonium chloride, dichloromethylidene dimethylazanium chloride, methanaminium, n-dichloromethylene-n-methyl-, chloride, n-dichloromethylene-n-methylmethanaminium chloride, phosgene-iminium chloride, phosgeneiminium chloride, phosgeniminium chloride PubChem CID: 2723945 IUPAC Name: dichloro(dimethylamino)methylium chloride SMILES: [Cl-].CN(C)[C+](Cl)Cl

1,2-Bis(dimethylphosphino)ethane 97.0+%, TCI America™

CAS: 23936-60-9 Molecular Formula: C6H16P2 Molecular Weight (g/mol): 150.14 MDL Number: MFCD00008511 InChI Key: ZKWQSBFSGZJNFP-UHFFFAOYSA-N Synonym: 1,2-bis dimethylphosphino ethane, 2-dimethylphosphanyl ethyl dimethylphosphane, 2-dimethylphosphanylethyl dimethyl phosphane, acmc-1cjp0, dimethyl-2-dimethylphosphino ethylphosphine, ethylenebis dimethylphosphine, ghl.pd_mitscher_leg0.173, phosphine, 1,2-ethanediylbis dimethyl, pubchem6482, zkwqsbfsgzjnfp-uhfffaoysa PubChem CID: 141059 IUPAC Name: [2-(dimethylphosphanyl)ethyl]dimethylphosphane SMILES: CP(C)CCP(C)C

Bis(cyclohexanone) Oxalyldihydrazone 98.0+%, TCI America™

CAS: 370-81-0 Molecular Formula: C14H22N4O2 Molecular Weight (g/mol): 278.356 MDL Number: MFCD00001659 InChI Key: DSRJIHMZAQEUJV-UHFFFAOYSA-N Synonym: bis cyclohexanone oxaldihydrazone, biscyclohexanone oxaldihydrazone, biscyclohexanone oxalyldihydrazone, cuprizane, cuprizon, cuprizone, ethanedioic acid, bis cyclohexylidenehydrazide, oxalic acid bis cyclohexylidenehydrazide, oxalic acid, bis cyclohexylidenehydrazide, unii-5n16u7e0ao PubChem CID: 9723 IUPAC Name: N,N'-bis(cyclohexylideneamino)oxamide SMILES: C1CCC(=NNC(=O)C(=O)NN=C2CCCCC2)CC1

Bis(tetrabutylammonium) Dihydrogen Pyrophosphate 96.0+%, TCI America™

CAS: 857447-79-1 Molecular Formula: C32H74N2O7P2 Molecular Weight (g/mol): 660.899 InChI Key: WPGBCELIUCBRKN-UHFFFAOYSA-L Synonym: Bis(tetrabutylammonium) Dihydrogen Diphosphate PubChem CID: 11342793 IUPAC Name: [hydroxy(oxido)phosphoryl] hydrogen phosphate;tetrabutylazanium SMILES: CCCC[N+](CCCC)(CCCC)CCCC.CCCC[N+](CCCC)(CCCC)CCCC.OP(=O)([O-])OP(=O)(O)[O-]

Chlorodimethylvinylsilane 97.0+%, TCI America™

CAS: 1719-58-0 Molecular Formula: C4H8ClSi Molecular Weight (g/mol): 119.64 MDL Number: MFCD00018090 InChI Key: RABBDIBWJVOAPB-ONEGZZNKSA-N Synonym: chloro dimethyl vinylsilane, chloro ethenyl dimethylsilane, chloro-dimethyl-ethenyl-silane, chlorodimethyl vinyl silane, chlorodimethylvinylsilane, chloroethenyldimethyl-silane, dimethylvinylchlorosilane, silane, chloroethenyldimethyl, unii-xja6n5221t, vinyldimethylchlorosilane PubChem CID: 519368 IUPAC Name: [(1E)-2-chloroethenyl]dimethylsilyl SMILES: C[Si](C)\C=C\Cl

Adipic Dihydrazide 99.0+%, TCI America™

CAS: 1071-93-8 Molecular Formula: C6H14N4O2 Molecular Weight (g/mol): 174.20 MDL Number: MFCD00007614 InChI Key: IBVAQQYNSHJXBV-UHFFFAOYSA-N Synonym: adipic acid dihydrazide, adipic acid, dihydrazide, adipic dihydrazide, adipodihydrazide, adipohydrazide, adipyl hydrazide, hexanediohydrazide, hexanedioic acid, 1,6-dihydrazide, hexanedioic acid, dihydrazide, unii-vk98i9yw5m PubChem CID: 66117 IUPAC Name: hexanedihydrazide SMILES: NNC(=O)CCCCC(=O)NN

N-Benzyl-N-(methoxymethyl)-N-trimethylsilylmethylamine 98.0+%, TCI America™

CAS: 93102-05-7 Molecular Formula: C13H23NOSi Molecular Weight (g/mol): 237.418 MDL Number: MFCD00674005 InChI Key: RPZAAFUKDPKTKP-UHFFFAOYSA-N Synonym: benzyl methoxymethyl trimethylsilyl methyl amine, benzyl-methoxymethyl-trimethylsilanylmethyl-amine, n-benzyl-1-methoxy-n-trimethylsilyl methyl methanamine, n-benzyl-n-methoxymethyl trimethylsilylmethylamine, n-benzyl-n-methoxymethyl-n-trimethylsilylmethylamine, n-methoxymethyl phenyl-n-trimethylsilyl methyl methanamine, n-methoxymethyl-n-trimethylsilyl methyl phenyl, n-methoxymethyl-n-trimethylsilylmethyl benzylamine, n-methoxymethyl-n-trimethylsilylmethyl-benzylamine PubChem CID: 353442 IUPAC Name: N-(methoxymethyl)-1-phenyl-N-(trimethylsilylmethyl)methanamine SMILES: COCN(CC1=CC=CC=C1)C[Si](C)(C)C

6-Quinolinol 96.0+%, TCI America™

CAS: 580-16-5 Molecular Formula: C9H7NO Molecular Weight (g/mol): 145.161 MDL Number: MFCD00047611 InChI Key: OVYWMEWYEJLIER-UHFFFAOYSA-N Synonym: 1h-1,6-epoxyquinoline, 6-chinolinol, 6-hydroxy-chinolin, 6-hydroxy-quinoline, 6-hydroxyquinoline, 6-hydroxyquinoline 6-quinolinol, 6-quinolinol, 6-quinolinoloxine, ccris 4331, quinoline-6-ol PubChem CID: 11374 ChEBI: CHEBI:48994 IUPAC Name: quinolin-6-ol SMILES: C1=CC2=C(C=CC(=C2)O)N=C1

1,7-Dibromo-3,4,9,10-perylenetetracarboxylic Dianhydride 98.0+%, TCI America™

CAS: 118129-60-5 Molecular Formula: C24H6Br2O6 Molecular Weight (g/mol): 550.114 MDL Number: MFCD11870875 InChI Key: WPBVUAVIGWNDGT-UHFFFAOYSA-N PubChem CID: 11103604 SMILES: C1=CC2=C3C(=CC(=C4C3=C1C5=C(C=C6C7=C(C=CC4=C57)C(=O)OC6=O)Br)Br)C(=O)OC2=O

2,2′:5′,2′′-Terthiophene (purified by sublimation) 98.0+%, TCI America™

CAS: 1081-34-1 Molecular Formula: C12H8S3 Molecular Weight (g/mol): 248.376 MDL Number: MFCD00012167 InChI Key: KXSFECAJUBPPFE-UHFFFAOYSA-N Synonym: 0p77rau2rr, 2,2',5',2-terthienyl, 2,2'-5',2-terthiophene, 2,2':5',2-terthienyl, 2,2':5',2-terthiophene, 2,5-bis 2-thienyl thiophene, 2,5-di 2-thienyl thiophene, alpha-terthienyl, alpha-terthiophene, unii-0p77rau2rr PubChem CID: 65067 ChEBI: CHEBI:10335 IUPAC Name: 2,5-dithiophen-2-ylthiophene SMILES: C1=CSC(=C1)C2=CC=C(S2)C3=CC=CS3

N-Butyl-N-(4-hydroxybutyl)nitrosamine 90.0+%, TCI America™

CAS: 3817-11-6 Molecular Formula: C8H18N2O2 Molecular Weight (g/mol): 174.24 MDL Number: MFCD00059008 InChI Key: DIKPQFXYECAYPC-UHFFFAOYSA-N Synonym: N-Butyl-N-butan-4-ol-nitrosamine, N-Butyl-N-nitroso-4-aminobutanol, BBN PubChem CID: 19665 IUPAC Name: N-butyl-N-(4-hydroxybutyl)nitrous amide SMILES: CCCCN(CCCCO)N=O

2-Amino-4-methoxybenzoic Acid 97.0+%, TCI America™

CAS: 4294-95-5 Molecular Formula: C8H9NO3 Molecular Weight (g/mol): 167.164 MDL Number: MFCD00667729 InChI Key: HHNWXQCVWVVVQZ-UHFFFAOYSA-N Synonym: 2-amine-4-methoxybenzoic acid, 2-amino-4-methoxy-benzoic acid, 2-amino-p-anisic acid, 2-carboxy-5-methoxyaniline, 3-amino-4-carboxyanisole, 4-methoxyanthranilic acid, 4-methoxyanthranilicacid, acmc-1aerh, benzoic acid, 2-amino-4-methoxy, pubchem11856 PubChem CID: 351010 IUPAC Name: 2-amino-4-methoxybenzoic acid SMILES: COC1=CC(=C(C=C1)C(=O)O)N

2′-Acetonaphthone 98.0+%, TCI America™

CAS: 93-08-3 Molecular Formula: C12H10O Molecular Weight (g/mol): 170.211 MDL Number: MFCD00004108 InChI Key: XSAYZAUNJMRRIR-UHFFFAOYSA-N Synonym: 1-2-naphthyl ethanone, 1-naphthalen-2-yl ethanone, 2'-acetonaphthone, 2-acetonaphthone, 2-acetylnaphthalene, 2-naphthyl methyl ketone, acetonaphthone, ethanone, 1-2-naphthalenyl, methyl 2-naphthyl ketone, oranger cyrstals PubChem CID: 7122 ChEBI: CHEBI:52364 IUPAC Name: 1-naphthalen-2-ylethanone SMILES: CC(=O)C1=CC2=CC=CC=C2C=C1

(R)-alpha-Lipoic Acid 98.0+%, TCI America™

CAS: 1200-22-2 Molecular Formula: C8H14O2S2 Molecular Weight (g/mol): 206.32 MDL Number: MFCD01631142 InChI Key: AGBQKNBQESQNJD-SSDOTTSWSA-N Synonym: (R)-Thioctic Acid, (R)-1,2-Dithiolane-3-valeric Acid PubChem CID: 6112 ChEBI: CHEBI:30314 IUPAC Name: 5-[(3R)-1,2-dithiolan-3-yl]pentanoic acid SMILES: OC(=O)CCCC[C@@H]1CCSS1

Cyclohexanepropionic Acid 99.0+%, TCI America™

CAS: 701-97-3 Molecular Formula: C9H16O2 Molecular Weight (g/mol): 156.23 MDL Number: MFCD00001527 InChI Key: HJZLEGIHUQOJBA-UHFFFAOYSA-N Synonym: 3-cyclohexanepropionic acid, 3-cyclohexyl propionic acid, 3-cyclohexyl-propionic acid, 3-cyclohexylpropionic acid, cyclohexane propionic acid, cyclohexanepropanoic acid, cyclohexanepropionic acid, cyclohexyl propionic acid, u36w9hnv6d, unii-u36w9hnv6d PubChem CID: 69702 IUPAC Name: 3-cyclohexylpropanoic acid SMILES: OC(=O)CCC1CCCCC1

N-(Trimethylsilyl)bis(trifluoromethanesulfonyl)imide 97.0+%, TCI America™

CAS: 82113-66-4 Molecular Formula: C5H9F6NO4S2Si Molecular Weight (g/mol): 353.325 InChI Key: MLIRNWUYOYIGBZ-UHFFFAOYSA-N Synonym: [Bis(trifluoromethanesulfonyl)amino]trimethylsilane, TMS Triflimide PubChem CID: 11013624 IUPAC Name: 1,1,1-trifluoro-N-(trifluoromethylsulfonyl)-N-trimethylsilylmethanesulfonamide SMILES: C[Si](C)(C)N(S(=O)(=O)C(F)(F)F)S(=O)(=O)C(F)(F)F

Dimethyl (1-Diazo-2-oxopropyl)phosphonate 97.0+%, TCI America™

CAS: 90965-06-3 Molecular Formula: C5H9N2O4P Molecular Weight (g/mol): 192.111 MDL Number: MFCD07368360 InChI Key: SQHSJJGGWYIFCD-UHFFFAOYSA-N Synonym: (1-Diazo-2-oxopropyl)phosphonic Acid Dimethyl Ester, Dimethyl 1-Diazoacetonylphosphonate, 1-Diazoacetonylphosphonic Acid Dimethyl Ester, Ohira-Bestmann Reagent PubChem CID: 53397103 IUPAC Name: 1-diazonio-1-dimethoxyphosphorylprop-1-en-2-olate SMILES: CC(=C([N+]#N)P(=O)(OC)OC)[O-]

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