Diphenylmethanes

Brilliant Green (Certified Biological Stain), Fisher Chemical

CAS: 633-03-4 Molecular Formula: C27H34N2O4S Molecular Weight (g/mol): 482.639 MDL Number: MFCD00011880 InChI Key: NNBFNNNWANBMTI-UHFFFAOYSA-M Synonym: Ethyl Green, Basic Green, Malachite Green G PubChem CID: 12449 IUPAC Name: [4-[[4-(diethylamino)phenyl]-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium;hydrogen sulfate SMILES: CCN(CC)C1=CC=C(C=C1)C(=C2C=CC(=[N+](CC)CC)C=C2)C3=CC=CC=C3.OS(=O)(=O)[O-]

Crystal Violet (Certified Biological Stain), Fisher Chemical

CAS: 548-62-9 Molecular Formula: C25H30ClN3 Molecular Weight (g/mol): 407.986 MDL Number: MFCD00011750 InChI Key: ZXJXZNDDNMQXFV-UHFFFAOYSA-M Synonym: Gentian Violet, Basic Violet 3 PubChem CID: 11057 ChEBI: CHEBI:41688 IUPAC Name: [4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;chloride SMILES: CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=C(C=C3)N(C)C.[Cl-]

Alfa Aesar™ Tamoxifen, 98%

CAS: 10540-29-1 Molecular Formula: C26H29NO Molecular Weight (g/mol): 371.524 MDL Number: MFCD00010454 InChI Key: NKANXQFJJICGDU-QPLCGJKRSA-N Synonym: tamoxifen, trans-tamoxifen, crisafeno, soltamox, tamoxifene, diemon, tamoxifeno, tamoxifenum, citofen, istubol PubChem CID: 2733526 ChEBI: CHEBI:41774 IUPAC Name: 2-[4-[(Z)-1,2-diphenylbut-1-enyl]phenoxy]-N,N-dimethylethanamine SMILES: CCC(=C(C1=CC=CC=C1)C2=CC=C(C=C2)OCCN(C)C)C3=CC=CC=C3

Fuchsin Basic (Certified Biological Stain), Fisher Chemical

CAS: 632-99-5 Molecular Formula: C20H20ClN3 Molecular Weight (g/mol): 337.851 MDL Number: MFCD00001657 InChI Key: AXDJCCTWPBKUKL-UHFFFAOYSA-N Synonym: Magenta, Pararosaniline PubChem CID: 12447 IUPAC Name: 4-[(4-aminophenyl)-(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]aniline;hydrochloride SMILES: CC1=CC(=C(C2=CC=C(C=C2)N)C3=CC=C(C=C3)N)C=CC1=N.Cl

Crystal Violet, pure, high purity biological stain, ACROS Organics™

CAS: 548-62-9 Molecular Formula: C25H30ClN3 Molecular Weight (g/mol): 407.986 MDL Number: MFCD00011750 InChI Key: ZXJXZNDDNMQXFV-UHFFFAOYSA-M Synonym: Basic Violet 3, C.I. 42555, Gentian Violet PubChem CID: 11057 ChEBI: CHEBI:41688 IUPAC Name: [4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;chloride SMILES: CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=C(C=C3)N(C)C.[Cl-]

Malachite Green Oxalate (Certified Biological Stain), Fisher Chemical

CAS: 2437-29-8 Molecular Formula: C52H54N4O12 Molecular Weight (g/mol): 927.02 MDL Number: MFCD00011766 InChI Key: CNYGFPPAGUCRIC-UHFFFAOYSA-L Synonym: Basic Green 4 PubChem CID: 2724411 IUPAC Name: [4-[[4-(dimethylamino)phenyl]-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;2-hydroxy-2-oxoacetate;oxalic acid SMILES: CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=CC=C3.CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=CC=C3.C(=O)(C(=O)O)O.C(=O)(C(=O)[O-])O.C(=O)(C(=O)[O-])O

Crystal Violet, certified, ACROS Organics™

CAS: 548-62-9 Molecular Formula: C25H30ClN3 Molecular Weight (g/mol): 407.986 MDL Number: MFCD00011750 InChI Key: ZXJXZNDDNMQXFV-UHFFFAOYSA-M Synonym: Basic Violet 3, C.I. 42555, Gentian Violet PubChem CID: 11057 ChEBI: CHEBI:41688 IUPAC Name: [4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;chloride SMILES: CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=C(C=C3)N(C)C.[Cl-]

Aniline Blue (Water Soluble/Certified Biological Stain), Fisher Chemical

CAS: 28631-66-5 Molecular Formula: C32H26N3Na2O9S3+ Molecular Weight (g/mol): 738.732 MDL Number: MFCD00036130 InChI Key: XOSXWYQMOYSSKB-UHFFFAOYSA-M Synonym: Acid Blue 93, Methyl Blue, Acid Blue, Soluble Blue PubChem CID: 131675892 IUPAC Name: disodium;4-[[4-[(4-amino-3-methyl-5-sulfophenyl)-[4-(4-sulfoanilino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]amino]benzenesulfonate SMILES: CC1=C(C(=CC(=C1)C(=C2C=CC(=NC3=CC=C(C=C3)S(=O)(=O)[O-])C=C2)C4=CC=C(C=C4)NC5=CC=C(C=C5)S(=O)(=O)O)S(=O)(=O)O)N.[Na+].[Na+]

Malachite Green oxalate, pure, high purity biological stain, ACROS Organics™

CAS: 2437-29-8 Molecular Formula: C52H54N4O12 Molecular Weight (g/mol): 927.02 MDL Number: MFCD00011766 InChI Key: CNYGFPPAGUCRIC-UHFFFAOYSA-L Synonym: Basic Green 4, C.I. 42000 PubChem CID: 2724411 IUPAC Name: [4-[[4-(dimethylamino)phenyl]-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;2-hydroxy-2-oxoacetate;oxalic acid SMILES: CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=CC=C3.CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=CC=C3.C(=O)(C(=O)O)O.C(=O)(C(=O)[O-])O.C(=O)(C(=O)[O-])O

Alfa Aesar™ Bisphenol A diglycidyl ether

CAS: 1675-54-3 Molecular Formula: C21H24O4 Molecular Weight (g/mol): 340.419 MDL Number: MFCD00080480 InChI Key: LCFVJGUPQDGYKZ-UHFFFAOYSA-N Synonym: bisphenol a diglycidyl ether, 2,2-bis 4-glycidyloxyphenyl propane, epoxide a, epophen el 5, badge, dian diglycidyl ether, diglycidyl bisphenol a, epi-rez 510, bpdge, dgeba PubChem CID: 2286 ChEBI: CHEBI:34578 IUPAC Name: 2-[[4-[2-[4-(oxiran-2-ylmethoxy)phenyl]propan-2-yl]phenoxy]methyl]oxirane SMILES: CC(C)(C1=CC=C(C=C1)OCC2CO2)C3=CC=C(C=C3)OCC4CO4

Tamoxifen, MP Biomedicals

CAS: 10540-29-1 Molecular Formula: C26H29NO Molecular Weight (g/mol): 371.524 MDL Number: MFCD00010454 InChI Key: NKANXQFJJICGDU-QPLCGJKRSA-N Synonym: tamoxifen, trans-tamoxifen, crisafeno, soltamox, tamoxifene, diemon, tamoxifeno, tamoxifenum, citofen, istubol PubChem CID: 2733526 ChEBI: CHEBI:41774 IUPAC Name: 2-[4-[(Z)-1,2-diphenylbut-1-enyl]phenoxy]-N,N-dimethylethanamine SMILES: CCC(=C(C1=CC=CC=C1)C2=CC=C(C=C2)OCCN(C)C)C3=CC=CC=C3

Brilliant Green, pure, high purity biological stain, ACROS Organics™

CAS: 633-03-4 Molecular Formula: C27H34N2O4S Molecular Weight (g/mol): 482.639 MDL Number: MFCD00011880 InChI Key: NNBFNNNWANBMTI-UHFFFAOYSA-M Synonym: Basic Green 1, C.I. 42040, Ethyl Green PubChem CID: 12449 IUPAC Name: [4-[[4-(diethylamino)phenyl]-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium;hydrogen sulfate SMILES: CCN(CC)C1=CC=C(C=C1)C(=C2C=CC(=[N+](CC)CC)C=C2)C3=CC=CC=C3.OS(=O)(=O)[O-]

Brilliant green, MP Biomedicals™

CAS: 633-03-4 Molecular Formula: C27H34N2O4S Molecular Weight (g/mol): 482.639 InChI Key: NNBFNNNWANBMTI-UHFFFAOYSA-M Synonym: Basic green l, C.I. 42040 PubChem CID: 12449 IUPAC Name: [4-[[4-(diethylamino)phenyl]-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium;hydrogen sulfate SMILES: CCN(CC)C1=CC=C(C=C1)C(=C2C=CC(=[N+](CC)CC)C=C2)C3=CC=CC=C3.OS(=O)(=O)[O-]

Alfa Aesar™ Cinnarizine

CAS: 298-57-7 Molecular Formula: C26H28N2 Molecular Weight (g/mol): 368.524 MDL Number: MFCD00056037 InChI Key: DERZBLKQOCDDDZ-JLHYYAGUSA-N Synonym: cinnarizine, stugeron, dimitronal, stutgin, dimitron, folcodal, midronal, mitronal, stutgeron, glanil PubChem CID: 1547484 ChEBI: CHEBI:31403 IUPAC Name: 1-benzhydryl-4-[(E)-3-phenylprop-2-enyl]piperazine SMILES: C1CN(CCN1CC=CC2=CC=CC=C2)C(C3=CC=CC=C3)C4=CC=CC=C4

Bromothymol Blue, 0.04% Aqueous Solution, ACROS Organics™

CAS: 34722-90-2 Molecular Formula: C27H27Br2NaO5S Molecular Weight (g/mol): 646.366 MDL Number: MFCD00077263 InChI Key: NMKFVGALBGZKGW-FKWCIMQXSA-M Synonym: Bromthymol Blue, sodium salt, 3', 3''-Dibromothymolsulfonephthalein, sodium salt, BTB PubChem CID: 102183223 IUPAC Name: sodium;2-bromo-4-[(Z)-(3-bromo-2-methyl-4-oxo-5-propan-2-ylcyclohexa-2,5-dien-1-ylidene)-(2-sulfophenyl)methyl]-3-methyl-6-propan-2-ylphenolate SMILES: CC1=C(C(=C(C=C1C(=C2C=C(C(=O)C(=C2C)Br)C(C)C)C3=CC=CC=C3S(=O)(=O)O)C(C)C)[O-])Br.[Na+]

(Z)-4-Hydroxytamoxifen, Tocris Bioscience™ Available on GSA/VA Contract for Federal Government customers only.

CAS: 68047-06-3 Molecular Formula: C26H29NO2 Molecular Weight (g/mol): 387.523 InChI Key: TXUZVZSFRXZGTL-OCEACIFDSA-N Synonym: 4-hydroxytamoxifen, z-4-hydroxytamoxifen, afimoxifene, hydroxytamoxifen, 4-monohydroxytamoxifen, tamogel, trans-4-hydroxytamoxifen, 4-oh-tam, z-4-1-4-2-dimethylamino ethoxy phenyl-2-phenylbut-1-en-1-yl phenol, chembl489 PubChem CID: 5352135 IUPAC Name: 4-[(E)-1-[4-[2-(dimethylamino)ethoxy]phenyl]-2-phenylbut-1-enyl]phenol SMILES: CCC(=C(C1=CC=C(C=C1)O)C2=CC=C(C=C2)OCCN(C)C)C3=CC=CC=C3

(R)-(+)-2-Methyl-CBS-oxazaborolidine, 1M solution in toluene, AcroSeal™, ACROS Organics™

CAS: 112022-83-0 Molecular Formula: C18H20BNO Molecular Weight (g/mol): 277.174 InChI Key: VMKAFJQFKBASMU-QGZVFWFLSA-N Synonym: r-2-methyl-cbs-oxazaborolidine, r-methyl oxazaborolidine, r-+-2-methyl-cbs-oxazaborolidine, r-5,5-diphenyl-2-methyl-3,4-propano-1,3,2-oxazaborolidine, r-1-methyl-3,3-diphenylhexahydropyrrolo 1,2-c 1,3,2 oxazaborole, r-me-cbs catalyst, r-3,3-diphenyl-1-methylpyrrolidino 1,2-c-1,3,2-oxazaborole, r-me cbs, r-tetrahydro-1-methyl-3,3-diphenyl-1h,3h-pyrrolo 1,2-c 1,3,2 oxazaborole, corey's catalyst PubChem CID: 9838490 IUPAC Name: (3aR)-1-methyl-3,3-diphenyl-3a,4,5,6-tetrahydropyrrolo[1,2-c][1,3,2]oxazaborole SMILES: B1(N2CCCC2C(O1)(C3=CC=CC=C3)C4=CC=CC=C4)C

Methylene di-p-phenyl diisocyanate, 98%, flakes, ACROS Organics™

CAS: 101-68-8 Molecular Formula: C15H10N2O2 Molecular Weight (g/mol): 250.257 MDL Number: MFCD00036131 InChI Key: UPMLOUAZCHDJJD-UHFFFAOYSA-N Synonym: 4,4'-diphenylmethane diisocyanate, diphenylmethane diisocyanate, isonate, 4,4'-diisocyanatodiphenylmethane, p,p'-diphenylmethane diisocyanate, bis 4-isocyanatophenyl methane, 4,4'-methylenebis phenyl isocyanate, methylbisphenyl isocyanate, 1,1'-methylenebis 4-isocyanatobenzene, methylene diphenyl diisocyanate PubChem CID: 7570 ChEBI: CHEBI:53218 IUPAC Name: 1-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene SMILES: C1=CC(=CC=C1CC2=CC=C(C=C2)N=C=O)N=C=O

Tetrakis(4-bromophenyl)ethylene 97.0+%, TCI America™

CAS: 61326-44-1 Molecular Formula: C26H16Br4 Molecular Weight (g/mol): 648.03 InChI Key: BIRLDGKMJJEZRI-UHFFFAOYSA-N PubChem CID: 11828419 IUPAC Name: 1-bromo-4-[1,2,2-tris(4-bromophenyl)ethenyl]benzene SMILES: C1=CC(=CC=C1C(=C(C2=CC=C(C=C2)Br)C3=CC=C(C=C3)Br)C4=CC=C(C=C4)Br)Br

BRL 15572 hydrochloride, Tocris Bioscience™ Available on GSA/VA Contract for Federal Government customers only.

CAS: 1173022-77-9 Molecular Formula: C25H28Cl2N2O Molecular Weight (g/mol): 443.412 InChI Key: KQGJIKWDFWLCHO-UHFFFAOYSA-N Synonym: brl 15572 hydrochloride, a-diphenylmethyl-1-piperazineethanol hydrochloride, brl 15572 monohydrochloride, 3-4-3-chlorophenyl piperazin-1-yl-1,1-diphenylpropan-2-ol hydrochloride, 3-4-3-chlorophenyl piperazin-1-yl-1,1-diphenylpropan-2-ol hydrochloride, 4-3-chlorophenyl-1-2-hydroxy-3,3-diphenylpropyl piperazin-1-ium chloride, 3-4-3-chlorophenyl piperazin-1-yl-1,1-diphenylpropan-2-ol monohydrochloride, 4-3-chlorophenyl-alpha-diphenylmethyl-1-piperazineethanol hydrochloride, brl15572 hydrochloride, brl15572 hcl, 4-3-chlorophenyl- PubChem CID: 11957475 ChEBI: CHEBI:64057 IUPAC Name: 3-[4-(3-chlorophenyl)piperazin-1-yl]-1,1-diphenylpropan-2-ol;hydrochloride SMILES: C1CN(CCN1CC(C(C2=CC=CC=C2)C3=CC=CC=C3)O)C4=CC(=CC=C4)Cl.Cl

Clemastine fumarate, Tocris Bioscience™

CAS: 14976-57-9 Molecular Formula: C25H30ClNO5 Molecular Weight (g/mol): 459.967 InChI Key: PMGQWSIVQFOFOQ-YKVZVUFRSA-N Synonym: clemastine fumarate, agasten, mecloprodine, aloginan, xolamin, tavist, alphamin, anhistan, clemanil, fuluminol PubChem CID: 5281069 ChEBI: CHEBI:3739 IUPAC Name: (E)-but-2-enedioic acid;(2R)-2-[2-[(1R)-1-(4-chlorophenyl)-1-phenylethoxy]ethyl]-1-methylpyrrolidine SMILES: CC(C1=CC=CC=C1)(C2=CC=C(C=C2)Cl)OCCC3CCCN3C.C(=CC(=O)O)C(=O)O

Letrozole 98.0+%, TCI America™

CAS: 112809-51-5 Molecular Formula: C17H11N5 Molecular Weight (g/mol): 285.31 MDL Number: MFCD00866241 InChI Key: HPJKCIUCZWXJDR-UHFFFAOYSA-N Synonym: letrozole, femara, 4,4'-1h-1,2,4-triazol-1-yl methylene dibenzonitrile, letrozol, letoval, letrazole, femera, letrozole usan:inn, unii-7lkk855w8i, 4,4'-1h-1,2,4-triazol-1-ylmethanediyl dibenzonitrile PubChem CID: 3902 ChEBI: CHEBI:6413 IUPAC Name: 4-[(4-cyanophenyl)-(1,2,4-triazol-1-yl)methyl]benzonitrile SMILES: C1=CC(=CC=C1C#N)C(C2=CC=C(C=C2)C#N)N3C=NC=N3

CP 96345, Tocris Bioscience™ Available on GSA/VA Contract for Federal Government customers only.

CAS: 132746-60-2 Molecular Formula: C28H32N2O Molecular Weight (g/mol): 412.577 InChI Key: FLNYLINBEZROPL-NSOVKSMOSA-N Synonym: unii-w22ila2i52, chembl16192, 2-diphenylmethyl-n-2-methoxyphenyl methyl-1-azabicyclo 2.2.2 octan-3-amine, 2s,3s-cis-2-diphenylmethyl-n-2-methoxyphenyl methyl-1-azabicyclo 2.2.2 octan-3-amine, 2s,3s-2-diphenylmethyl-n-2-methoxyphenyl methyl-1-azabicyclo 2.2.2 octan-3-amine, 2s,3s-n-2-methoxyphenyl methyl-2-diphenylmethyl-1-azabicyclo 2.2.2 octan-3-amine, 1-azabicyclo 2.2.2 octan-3-amine, 2-diphenylmethyl-n-2-methoxyphenyl methyl-, 2s-cis, 2s,3s-2-benzhydryl-n-2-methoxyphenyl methyl-1-azabicyclo 2.2.2 octan-3-amine, d03sxn, 2-benzhydryl-1-aza-bicyclo 2.2.2 oct-3-yl-2-methoxy-benzyl-amine PubChem CID: 104943 IUPAC Name: (2S,3S)-2-benzhydryl-N-[(2-methoxyphenyl)methyl]-1-azabicyclo[2.2.2]octan-3-amine SMILES: COC1=CC=CC=C1CNC2C3CCN(C2C(C4=CC=CC=C4)C5=CC=CC=C5)CC3

Alfa Aesar™ N-Boc-beta-phenyl-D-phenylalanine, 98%

CAS: 143060-31-5 Molecular Formula: C20H23NO4 Molecular Weight (g/mol): 341.407 MDL Number: MFCD00191187 InChI Key: TYJDOLCFYZSNQC-QGZVFWFLSA-N Synonym: boc-d-3,3-diphenylalanine, boc-d-ala 3,3-diphenyl-oh, r-2-tert-butoxycarbonyl amino-3,3-diphenylpropanoic acid, boc-3,3-diphenyl-d-alanine, r-n-boc-2-amino-3,3-diphenylpropionic acid, n-boc-beta-phenyl-d-phenylalanine, n-tert-butoxycarbonyl-beta-phenyl-d-phenylalanine, 2r-2-tert-butoxycarbonyl amino-3,3-diphenylpropanoic acid, n-tert-butoxycarbonyl-3-phenyl-l-phenylalanine, n-boc-b-phenyl-d-phenylalanine PubChem CID: 7019136 IUPAC Name: (2R)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3,3-diphenylpropanoic acid SMILES: CC(C)(C)OC(=O)NC(C(C1=CC=CC=C1)C2=CC=CC=C2)C(=O)O

2,2-Bis[4-(4-aminophenoxy)phenyl]hexafluoropropane 98.0+%, TCI America™

CAS: 69563-88-8 Molecular Formula: C27H20F6N2O2 Molecular Weight (g/mol): 518.459 MDL Number: MFCD00015723 InChI Key: HHLMWQDRYZAENA-UHFFFAOYSA-N Synonym: 4,4′C-(Hexafluoroisopropylidene)bis[(4-aminophenoxy)benzene] PubChem CID: 94652 IUPAC Name: 4-[4-[2-[4-(4-aminophenoxy)phenyl]-1,1,1,3,3,3-hexafluoropropan-2-yl]phenoxy]aniline SMILES: C1=CC(=CC=C1C(C2=CC=C(C=C2)OC3=CC=C(C=C3)N)(C(F)(F)F)C(F)(F)F)OC4=CC=C(C=C4)N

GC 1, Tocris Bioscience™ Available on GSA/VA Contract for Federal Government customers only.

CAS: 211110-63-3 Molecular Formula: C20H24O4 Molecular Weight (g/mol): 328.408 InChI Key: QNAZTOHXCZPOSA-UHFFFAOYSA-N Synonym: sobetirome, gc-1, unii-xq31741e9q, gc 1, gc 1 compound, 4-4-hydroxy-3-1-methylethyl benzyl-3,5-dimethylphenoxy acetic acid, 4-4-hydroxy-3-isopropylphenyl methyl-3,5-dimethylphenoxyacetic acid, 3imy, sobetirome usan, sobetirome usan:inn PubChem CID: 9862248 ChEBI: CHEBI:79988 IUPAC Name: 2-[4-[(4-hydroxy-3-propan-2-ylphenyl)methyl]-3,5-dimethylphenoxy]acetic acid SMILES: CC1=CC(=CC(=C1CC2=CC(=C(C=C2)O)C(C)C)C)OCC(=O)O

Chrome Azurol S, ACROS Organics™

CAS: 1667-99-8 Molecular Formula: C23H13Cl2Na3O9S Molecular Weight (g/mol): 605.277 MDL Number: MFCD00001615 InChI Key: FUIZKNBTOOKONL-UHFFFAOYSA-K Synonym: C.I. 43825, Mordant Blue 29 PubChem CID: 54736314 IUPAC Name: trisodium;5-[(3-carboxy-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)-(2,6-dichloro-3-sulfonatophenyl)methyl]-3-methyl-2-oxidobenzoate SMILES: CC1=CC(=CC(=C1[O-])C(=O)[O-])C(=C2C=C(C(=O)C(=C2)C(=O)O)C)C3=C(C=CC(=C3Cl)S(=O)(=O)[O-])Cl.[Na+].[Na+].[Na+]

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