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1-Hydroxy-7-Azabenzotriazole

1-Hydroxy-7-Azabenzotriazole

CAS Number: 39968-33-7

Molecular Formula: C5H4N4O

Purity: 1-Hydroxy-7-azabenzotriazole 98% purity

About 1-Hydroxy-7-Azabenzotriazole

1-Hydroxy-7-azabenzotriazole (CAS 39968-33-7) is a premier peptide coupling additive with a Pharma/API purity of 99%, engineered specifically to provide anchimeric assistance that suppresses racemization and accelerates amide bond formation in sterically hindered sequences. HOAt has become a staple in high-purity fine ...

1-Hydroxy-7-Azabenzotriazole Specifications

CAS Number
39968-33-7
Molecular Formula
C5H4N4O
Molecular Weight
136.11 g/mol
IUPAC Name
3H-[1,2,3]triazolo[4,5-b]pyridin-3-ol
Canonical SMILES
C1=CC2=C(N=C1)N(N=N2)O
PubChem CID
181649
HSN No
29339900
Molecular Weight
136.11 g/mol
Purity
1-Hydroxy-7-azabenzotriazole 98% purity

Peptide Coupling Reagent

A highly efficient triazole additive used in combination with carbodiimides to accelerate amide bond formation, suppress racemization, and provide a visual indication of reaction completion

Solid-phase Synthesis Reagent

A specialized building block utilized in the synthesis of chiral peptide nucleic acids and complex cyclic peptides

Pharmaceutical Intermediate

A critical reagent employed in the development and synthesis of various medicinal compounds and active pharmaceutical ingredients

Corrosion Inhibitor

An effective chemical agent used in metal protection formulations to prevent degradation in automotive and aerospace applications

Photostabilizer

A functional additive used in the plastics and coatings industries to protect materials from UV-induced degradation and enhance outdoor durability.

Minimum Order Quantity

25 kg (evaluation) · 1 MT (commercial)

Lead Time

3 – 5 weeks estimated

Delivery Terms

FOB*

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

US Availability

US Facility Inventory

Documentation

US SDS · COA · TDS · Specification sheet

US Regulatory & Quality Information

TSCA status*

US SDS / HazCom*

GHS classification*

ISO 9001:2015 site*

DOT shipping classification*

FDA status*

EPA status*

California Prop 65*

Reliable US supply chain

Regulatory compliance

On-time delivery

Technical expert support

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