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  8. 1H-Benzotriazol-1-yloxytri(1-pyrrolidinyl)phosphonium hexafluorophosphate, 98%

1H-Benzotriazol-1-yloxytri(1-pyrrolidinyl)phosphonium hexafluorophosphate, 98%

Product Code. 11460788
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25 g
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Product Code. 11460788 Supplier Thermo Scientific Alfa Aesar Supplier No. B25251.14
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Estimated Shipment: 01-12-2026
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Description

CAS: 128625-52-5 | C18H28F6N6OP2 | 520.401 g/mol

1H-Benzotriazol-1-yloxytri(1-pyrrolidinyl) phosphonium hexafluorophosphate is a peptide coupling reagent utilized in solid phase peptide synthesis. It is also used as a substitute for the (benzotriazol-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate (BOP) reagent.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
1H-Benzotriazol-1-yloxytri(1-pyrrolidinyl) phosphonium hexafluorophosphate is a peptide coupling reagent utilized in solid phase peptide synthesis. It is also used as a substitute for the (benzotriazol-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate (BOP) reagent.

Solubility
Soluble in chloroform.

Notes
Store in a cool place. Incompatible with oxidizing agents and water.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 128625-52-5
Molecular Formula C18H28F6N6OP2
Molecular Weight (g/mol) 520.401
MDL Number MFCD00077411
InChI Key VIAFLMPQBHAMLI-UHFFFAOYSA-N
Synonym pybop, 1h-benzo d 1,2,3 triazol-1-yl oxy tri pyrrolidin-1-yl phosphonium hexafluorophosphate v, benzotriazol-1-yloxy tripyrrolidinophosphonium hexafluorophosphate, benzotriazole-1-yl-oxytripyrrolidinophosphonium hexafluorophosphate, benzotriazol-1-yl-oxytripyrrolidinophosphonium hexafluorophosphate, 1h-benzotriazol-1-yloxytripyrrolidinophosphonium hexafluorophosphate, benzotriazol-1-yloxytris pyrrolidino phosphonium hexafluorophosphate, benzotriazole-1-yl-oxy-tris-pyrrolidino-phosphonium hexafluorophosphate, benzotriazol-1-yl-oxy-tripyrrolidinophosphonium hexafluorophosphate, benzotriazol-1-yl-oxytripyrrolidinphosphonium hexafluorophosphate
PubChem CID 2724699
IUPAC Name benzotriazol-1-yloxy(tripyrrolidin-1-yl)phosphanium;hexafluorophosphate
SMILES C1CCN(C1)[P+](N2CCCC2)(N3CCCC3)ON4C5=CC=CC=C5N=N4.F[P-](F)(F)(F)(F)F

Specifications

Melting Point ∼155°C (decomposition)
Quantity 25 g
Beilstein 3584612
Sensitivity Moisture sensitive
Solubility Information Soluble in chloroform.
Formula Weight 520.4
Percent Purity 98%
Chemical Name or Material 1H-Benzotriazol-1-yloxytri(1-pyrrolidinyl)phosphonium hexafluorophosphate

RUO – Research Use Only

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