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5-Bromo-1,10-phenanthroline Monohydrate
CAS: 855360-86-0 PubChem CID: 122163161 Formula: C₁₂H₇BrN₂·H₂O Molecular Weight: 259.11

Out of Stock Item #: B152304

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IUPAC Name

5-bromo-1,10-phenanthroline;hydrate

SMILES

C1=CC2=CC(=C3C=CC=NC3=C2N=C1)Br.O

InChIKey
VTTKUSYSKOIISY-UHFFFAOYSA-N

InChI

1S/C12H7BrN2.H2O/c13-10-7-8-3-1-5-14-11(8)12-9(10)4-2-6-15-12;/h1-7H;1H2
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Bis[di-tert-butyl(4-dimethylaminophenyl)phosphine]palladium(0)
CAS: 1233717-68-4 Formula: C₃₂H₅₆N₂P₂Pd Molecular Weight: 637.18

≥98%

Out of Stock Item #: B151895

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IUPAC Name

4-ditert-butylphosphanyl-N,N-dimethylaniline;palladium

SMILES

CC(C)(C)P(C1=CC=C(C=C1)N(C)C)C(C)(C)C.CC(C)(C)P(C1=CC=C(C=C1)N(C)C)C(C)(C)C.[Pd]

InChIKey
SSPOQURGNAWORH-UHFFFAOYSA-N

InChI

1S/2C16H28NP.Pd/c2*1-15(2,3)18(16(4,5)6)14-11-9-13(10-12-14)17(7)8;/h2*9-12H,1-8H3;

Synonyms
1233717-68-4|Bis[di-tert-butyl(4-dimethylaminophenyl)phosphine]palladium(0)|4-ditert-butylphosphanyl-N,N-dimethylanil...
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BrettPhos Pd G3
CAS: 1470372-59-8 PubChem CID: 117064810 Formula: C₄₈H₆₆NO₅PPdS Molecular Weight: 906.50

≥95%

In Stock Item #: B167368

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IUPAC Name

dicyclohexyl-[3,6-dimethoxy-2-[2,4,6-tri(propan-2-yl)phenyl]phenyl]phosphane;methanesulfonic acid;palladium;2-phenylaniline

SMILES

CC(C)C1=CC(=C(C(=C1)C(C)C)C2=C(C=CC(=C2P(C3CCCCC3)C4CCCCC4)OC)OC)C(C)C.CS(=O)(=O)O.C1=CC=C([C-]=C1)C2=CC=CC=C2N.[Pd]

InChIKey
QUEIWHJXJNGIMT-UHFFFAOYSA-N

InChI

1S/C35H53O2P.C12H10N.CH4O3S.Pd/c1-23(2)26-21-29(24(3)4)33(30(22-26)25(5)6)34-31(36-7)19-20-32(37-8)35(34)38(27-15-11-9-12-16-27)28-17-13-10-14-18-28;1show more

Synonyms
1470372-59-8 | Methanesulfonato(2-dicyclohexylphosphino-3,6-dimethoxy-2 inverted exclamation mark ,4 inverted exclama...
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Chloro(2-dicyclohexylphosphino-2′,6′-dimethoxy-1,1′-biphenyl)[2-(2-aminoethylphenyl)]palladium(II) - methyl-t-butyl ether adduct
CAS: 1028206-58-7 PubChem CID: 71311105 Formula: C₃₄H₄₅ClNO₂PPd · CH₃OC₄H₉ Molecular Weight: 760.72

Reagent Grade ?

In Stock Item #: C130096

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IUPAC Name

chloropalladium(1+);dicyclohexyl-[2-(2,6-dimethoxyphenyl)phenyl]phosphane;2-methoxy-2-methylpropane;2-phenylethanamine

SMILES

CC(C)(C)OC.COC1=C(C(=CC=C1)OC)C2=CC=CC=C2P(C3CCCCC3)C4CCCCC4.C1=CC=C([C-]=C1)CCN.Cl[Pd+]

InChIKey
PKUBBTRMQUGGJP-UHFFFAOYSA-M

InChI

1S/C26H35O2P.C8H10N.C5H12O.ClH.Pd/c1-27-23-17-11-18-24(28-2)26(23)22-16-9-10-19-25(22)29(20-12-5-3-6-13-20)21-14-7-4-8-15-21;9-7-6-8-4-2-1-3-5-8;1-5(2show more

Synonyms
SPhos Palladacycle SPhos precatalyst SPhos Pd G1, Methyl t-Butyl Ether Adduct
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Chloro(2-di-t-butylphosphino-2',4',6'-tri-i-propyl-1,1'-biphenyl)[2-(2-aminoethyl)phenyl] palladium(II)
CAS: 1142811-12-8 PubChem CID: 71310817 Formula: C₃₇H₅₅ClNPPd Molecular Weight: 686.69

≥98%

Out of Stock Item #: C396761

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IUPAC Name

chloropalladium(1+);ditert-butyl-[2-[2,4,6-tri(propan-2-yl)phenyl]phenyl]phosphane;2-phenylethanamine

SMILES

CC(C)C1=CC(=C(C(=C1)C(C)C)C2=CC=CC=C2P(C(C)(C)C)C(C)(C)C)C(C)C.C1=CC=C([C-]=C1)CCN.Cl[Pd+]

InChIKey
GITFHTZGVMIBGS-UHFFFAOYSA-M

InChI

1S/C29H45P.C8H10N.ClH.Pd/c1-19(2)22-17-24(20(3)4)27(25(18-22)21(5)6)23-15-13-14-16-26(23)30(28(7,8)9)29(10,11)12;9-7-6-8-4-2-1-3-5-8;;/h13-21H,1-12H3;show more

Synonyms
tBuXPhos-Pd-G1 | 1142811-12-8 | SY058923 | MFCD12911909 | SC10483 | tBuXPhos Pd G1 | tBuXPhosPdG1 | CHLORO(2-DI-T-BUT...
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Chloro(2-dicyclohexylphosphino-2',6'-dimethoxy-1,1'-biphenyl)(2'-amino-1,1'-biphenyl-2-yl) palladium(II)
CAS: 1375325-64-6 PubChem CID: 249818021 Formula: C₃₈H₄₅ClNO₂PPd Molecular Weight: 720.62

≥98%

Out of Stock Item #: C396634

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Synonyms
Umicore CX121 - Pd(SPhos)G2;2nd Generation SPhos Precatalyst，Chloro(2-dicyclohexylphosphino-2′，6′-dimethoxy-1，1′-biph...
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Methanesulfonato{[4-(N,N-dimethylamino)phenyl]di-t-butylphosphino}(2'-amino-1,1'-biphenyl-2-yl)palladium(II)
CAS: 1820817-64-8 PubChem CID: 117065005 Formula: C₂₉H₄₁N₂O₃PPdS Molecular Weight: 635.11

≥97%

In Stock Item #: M396613

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IUPAC Name

4-ditert-butylphosphanyl-N,N-dimethylaniline;methanesulfonic acid;palladium;2-phenylaniline

SMILES

CC(C)(C)P(C1=CC=C(C=C1)N(C)C)C(C)(C)C.CS(=O)(=O)O.C1=CC=C([C-]=C1)C2=CC=CC=C2N.[Pd]

InChIKey
OXTAAFWYZNPFBD-UHFFFAOYSA-N

InChI

1S/C16H28NP.C12H10N.CH4O3S.Pd/c1-15(2,3)18(16(4,5)6)14-11-9-13(10-12-14)17(7)8;13-12-9-5-4-8-11(12)10-6-2-1-3-7-10;1-5(2,3)4;/h9-12H,1-8H3;1-6,8-9H,13show more

Synonyms
1820817-64-8|APhos Pd G3, 97%|MFCD27978423|4-ditert-butylphosphanyl-N,N-dimethylaniline;methanesulfonic acid;palladiu...
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XPhos Pd G2
CAS: 1310584-14-5 Formula: C₄₅H₅₉ClNPPd Molecular Weight: 786.8

Solid ≥99.95% metals basis

In Stock Item #: X294162

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Synonyms
Chloro(2-dicyclohexylphosphino-2′，4′，6′-triisopropyl-1，1′-biphenyl)[2-(2′-amino-1，1′-biphenyl)]palladium(II) | X-Phos...
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XPhos Pd G3
CAS: 1445085-55-1 PubChem CID: 375460050 Formula: C₄₆H₆₂NO₃PPdS Molecular Weight: 846.45

≥99.95% metals basis

Out of Stock Item #: X294596

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Synonyms
Umicore CX132 - Pd(XPhos)G3;XPhos-G3-Palladacycle; XPhos-Pd-G3;(2-Dicyclohexylphosphino-2′,4′,6′-triisopropyl-1,1′-bi...
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XPhos Pd G4
CAS: 1599466-81-5 EC Number: 811-696-8 Formula: C₄₇H₆₄NO₃PPdS Molecular Weight: 860.47

Solid ≥95%

In Stock Item #: X299606

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SMILES

CC(C)C1=CC(C(C)C)=CC(C(C)C)=C1C2=C([P+](C3CCCCC3)([Pd-2]4(OS(C)(=O)=O)C(C=CC=C5)=C5C6=C([NH+]4C)C=CC=C6)C7CCCCC7)C=CC=C2

InChIKey
LJYHQNMVCGMPIU-UHFFFAOYSA-M

InChI

1S/C33H49P.C13H12N.CH4O3S.Pd/c1-23(2)26-21-30(24(3)4)33(31(22-26)25(5)6)29-19-13-14-20-32(29)34(27-15-9-7-10-16-27)28-17-11-8-12-18-28;1-14-13-10-6-5-show more

Synonyms
Methanesulfonato(2-dicyclohexylphosphino-2',4',6'-tri-i-propyl-1,1'-biphenyl)(2'-methylamino-1,1'-biphenyl-2-yl)palla...
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Tetrakis(triphenylphosphine)palladium(0)
CAS: 14221-01-3 EC Number: 238-086-9 PubChem CID: 11979704 Formula: C₇₂H₆₀P₄Pd Molecular Weight: 1155.56

≥99%

In Stock Item #: T359229

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IUPAC Name

palladium;triphenylphosphane

SMILES

C1=CC=C(C=C1)P(C2=CC=CC=C2)C3=CC=CC=C3.C1=CC=C(C=C1)P(C2=CC=CC=C2)C3=CC=CC=C3.C1=CC=C(C=C1)P(C2=CC=CC=C2)C3=CC=CC=C3.C1=CC=C(C=C1)P(C2=CC=CC=C2)C3=CC=show more

InChIKey
NFHFRUOZVGFOOS-UHFFFAOYSA-N

InChI

1S/4C18H15P.Pd/c4*1-4-10-16(11-5-1)19(17-12-6-2-7-13-17)18-14-8-3-9-15-18;/h4*1-15H;

Synonyms
tetrakis(triphenylphosphine)-palladium(0) | Pd(PPh3)4
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Methanesulfonato[9,9-dimethyl-4,5-bis(diphenylphosphino)xanthene][2'-amino-1,1'-biphenyl]palladium(II) dichloromethane adduct
CAS: 1445085-97-1 PubChem CID: 90645615 Formula: C₅₂H₄₅NO₄P₂PdS Molecular Weight: 948.35

≥98%

In Stock Item #: M396618

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IUPAC Name

(5-diphenylphosphanyl-9,9-dimethylxanthen-4-yl)-diphenylphosphane;methanesulfonic acid;palladium;2-phenylaniline

SMILES

CC1(C2=C(C(=CC=C2)P(C3=CC=CC=C3)C4=CC=CC=C4)OC5=C1C=CC=C5P(C6=CC=CC=C6)C7=CC=CC=C7)C.CS(=O)(=O)O.C1=CC=C([C-]=C1)C2=CC=CC=C2N.[Pd]

InChIKey
JIMOHYWEUIAPAA-UHFFFAOYSA-N

InChI

1S/C39H32OP2.C12H10N.CH4O3S.Pd/c1-39(2)33-25-15-27-35(41(29-17-7-3-8-18-29)30-19-9-4-10-20-30)37(33)40-38-34(39)26-16-28-36(38)42(31-21-11-5-12-22-31)show more

Synonyms
Umicore CX136 - Pd(Xantphos)G3;XantPhos Pd G3

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Frequently Asked Questions

How do I choose the right Buchwald Catalysts for my reaction?

Match catalyst structure to your substrate scope, desired selectivity, and reaction conditions. Buchwald Catalysts differ in metal center, ligand framework, and electronic properties. Run small-scale screening with 2-3 candidates before committing to scale-up.

What specifications matter most when comparing Buchwald Catalysts?

Focus on purity (typically ≥95%), particle size or solubility for heterogeneous systems, moisture and air sensitivity, catalyst loading recommendations, and turnover number from published data. Check storage conditions carefully.

How should Buchwald Catalysts be handled and stored?

Most buchwald catalysts require inert atmosphere storage (argon or nitrogen). Some are air- and moisture-sensitive — use a glovebox or Schlenk line for measurement. Refrigerated storage at 2-8°C extends shelf life for many products.

Are pre-formed metal complexes available?

Yes. Many buchwald catalysts are stocked as pre-formed, ready-to-use complexes that eliminate the need for in-situ ligation. This improves reproducibility and reduces handling of sensitive precursors.

Buchwald catalysts are commonly used in palladium-catalyzed coupling workflows that benefit from well-matched precatalyst and ligand design. Researchers usually compare precatalyst format, ligand pairing, substrate class, activation conditions, functional-group tolerance, and precedent for the desired coupling type. This page helps streamline catalyst selection when cross-coupling performance depends on both ligand identity and precatalyst architecture. It pairs naturally with Buchwald ligands and the broader cross-coupling category.