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VAQORACHEMICALS
Peptide Synthesis ReagentsARAvailable on request

PyBOP, GR 99%

Synonyms: Benzotriazol-1-yl-oxytripyrrolidinphosphonium hexafluorophosphate · (Benzotriazol-1-yloxy)tripyrrolidinophosphonium hexafluorophosphate · Benzotriazole-1-yl-oxytripyrrolidinophosphonium hexafluorophosphate · 1H-Benzotriazol-1-yloxytripyrrolidinophosphonium Hexafluorophosphate

CAS No.128625-52-5
FormulaC18H28F6N6OP2
Mol. weight520.40
Catalogue No.VQ-002428
Purity≥99%
HSN29339900

PyBOP (CAS 128625-52-5) – peptide synthesis reagent, AR grade, ≥99%. C18H28F6N6OP2, MW 520.4. COA included. Worldwide shipping from Vaqora Chemicals.

Pack sizesPrice on quotation · bulk available
1 g
5 g
25 g
1 kg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About PyBOP, GR 99%

Vaqora Chemicals supplies PyBOP in AR grade, a peptide synthesis reagent registered under CAS number 128625-52-5 at a purity of ≥99%. Formula C18H28F6N6OP2, molecular weight 520.4 g/mol. Systematically, it is named benzotriazol-1-yloxy(tripyrrolidin-1-yl)phosphanium hexafluorophosphate. Alternative names: Benzotriazole-1-yl- and KPC-1068-PI.

In its supplied form it is white to off-white powder or crystals or chunks. Reported physical data include a melting point of 154-156 °C. Store it at 2–8 °C, in a tightly closed container. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Typical applications include peptide coupling, solid-phase peptide synthesis and bioconjugation. Our customers for this product work in academic and industrial research and diagnostics and biotechnology.

Standard pack sizes are 1 g, 5 g, 25 g and 1 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

  • Peptide coupling
  • Solid-phase peptide synthesis
  • Bioconjugation

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product namePyBOP, GR 99%
Catalogue No.VQ-002428
CAS Number128625-52-5
IUPAC namebenzotriazol-1-yloxy(tripyrrolidin-1-yl)phosphanium hexafluorophosphate
Molecular formulaC18H28F6N6OP2
Molecular weight520.4 g/mol
Exact mass520.1704
GradeAR
Purity / assay≥99%
HSN code29339900
InChIKeyVIAFLMPQBHAMLI-UHFFFAOYSA-N
SMILESC1CCN(C1)[P+](N2CCCC2)(N3CCCC3)ON4C5=CC=CC=C5N=N4.F[P-](F)(F)(F)(F)F
PubChem CID2724699
Physical properties
Physical formCrystalline
AppearanceWhite to off-white powder or crystals or chunks
Melting point154-156 °C
H-bond donors / acceptors0 / 13
TPSA49.7 Ų
Storage2–8 °C
SynonymsBenzotriazol-1-yl-oxytripyrrolidinphosphonium hexafluorophosphate, (Benzotriazol-1-yloxy)tripyrrolidinophosphonium hexafluorophosphate, Benzotriazole-1-yl-oxytripyrrolidinophosphonium hexafluorophosphate, 1H-Benzotriazol-1-yloxytripyrrolidinophosphonium Hexafluorophosphate, Benzotriazol-1-yl-oxytripyrrolidinophosphonium hexafluorophosphate, 1-Benzotriazolyloxytripyrrolidinylphosphonium hexafluorophosphate, Benzotriazol-1-yloxytripyrrolidinophosphonium hexafluorophosphate, (Benzotriazol-1-yloxy)tripyrrolidinophosphonium (hexafluorophosphate), Benzotriazole-1-yl-, KPC-1068-PI, benzotriazol-1-yloxy(tripyrrolidin-1-yl)phosphonium hexafluorophosphate

Safety & hazard information (GHS)

GHS07 Harmful / irritant
Harmful / irritant
GHS09 Environmental hazard
Environmental hazard

Signal word: Warning

Hazard statements

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H317May cause an allergic skin reaction
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation
  • H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P261, P264, P264 + P265, P270, P271, P272, P273, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P333 + P317, P337 + P317, P362 + P364, P391, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Other grades of CAS 128625-52-5

Frequently asked questions

What is the CAS number of PyBOP, GR 99%?

The CAS Registry Number of PyBOP, GR 99% is 128625-52-5. It is also known as Benzotriazol-1-yl-oxytripyrrolidinphosphonium hexafluorophosphate, (Benzotriazol-1-yloxy)tripyrrolidinophosphonium hexafluorophosphate, Benzotriazole-1-yl-oxytripyrrolidinophosphonium hexafluorophosphate.

What is the molecular formula and molecular weight of PyBOP, GR 99%?

PyBOP, GR 99% has the molecular formula C18H28F6N6OP2 and a molecular weight of 520.4 g/mol. Its IUPAC name is benzotriazol-1-yloxy(tripyrrolidin-1-yl)phosphanium hexafluorophosphate.

Which grade and pack sizes of PyBOP, GR 99% can I order?

We supply PyBOP, GR 99% in AR (≥99%) grade, in 1 g, 5 g, 25 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with PyBOP, GR 99%?

Yes. Every lot of PyBOP, GR 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can PyBOP, GR 99% be shipped internationally?

Yes. PyBOP, GR 99% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

How should PyBOP, GR 99% be stored?

2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.

Enquire about PyBOP, GR 99%

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
How ordering works

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