1,3-Diphenyl-1H-pyrazol-5-amine

Name: 1,3-Diphenyl-1H-pyrazol-5-amine
Brand: ChemScene
Availability: InStock
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CAS No. 5356-71-8
Cat. No. CS-0186299
Purity≥98%
MDL No.None

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
Inaccessible (Haz class 6.1 or 9), Domestic	$68.00+
Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
Accessible (Haz class 3, 4, 5 or 8), International	$238.00+

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1,3-Diphenyl-1H-pyrazol-5-amine|CS-0186299

Structure of 5356-71-8

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General Information

CAS No. 5356-71-8
Cat. No. CS-0186299
Purity ≥98%
MDL No. None
Storage 4°C, protect from light
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₁₅H₁₃N₃
Molecular Weight 235.28
Synonym(s) 5-Amino-1,3-Diphenyl-1H-Pyrazole
SMILES C1=CC=C(C=C1)C2=NN(C3=CC=CC=C3)C(=C2)N

Description

1,3-Diphenyl-1H-pyrazol-5-amine features a rigid, electron-rich pyrazole core flanked by two aryl groups, enabling robust π-conjugation and enhanced stability. This scaffold integrates readily into functional materials and bioactive molecules, offering high thermal resilience and compatibility with diverse synthetic transformations under standard conditions.

Application

1,3-Diphenyl-1H-pyrazol-5-amine serves as a versatile scaffold for heterocyclic synthesis, enabling efficient access to biologically relevant pyrazole derivatives. Its amine functionality facilitates direct coupling reactions and further functionalization, while the diphenyl substitution enhances stability and modulates electronic properties. The compound exhibits excellent bench stability and is readily purified by crystallization, making it well-suited for iterative medicinal chemistry campaigns and API intermediate development.

Synthesis

Route1
- In-stock
  
  614-16-4
- 100-63-0
- ~94%
- In-stock
  
  5356-71-8
References
- Su, Wei-Nien; Lin, Tsung-Ping; Cheng, Kaung-Min; Sung, Kuan-Chin; Lin, Shao-Kai; Wong, Fung Fuh Journal of Heterocyclic Chemistry, 2010 , vol. 47, # 4 p. 831 - 837
Route2
- In-stock
  
  591-50-4
- In-stock
  
  827-41-8
- ~90%
- In-stock
  
  5356-71-8
References
- Antilla, Jon C.; Baskin, Jeremy M.; Barder, Timothy E.; Buchwald, Stephen L. Journal of Organic Chemistry, 2004 , vol. 69, # 17 p. 5578 - 5587
Route3
- 935-02-4
- 100-63-0
- ~87%
- In-stock
  
  5356-71-8
References
- Fomum, Z. Tanee; Landor, Stephen R.; Landor, Phyllis D.; Mpango, George W. P. Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1981 , p. 2997 - 3001

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H315-H319-H335
Precautionary Statements : P261-P264-P271-P280-P302+P352-P304+P340-P362+P364-P405-P501

Quality Control

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Computational Chemistry Data

TPSA 43.84
LogP 3.1215
H_Acceptors 3
H_Donors 1
Rotatable_Bonds 2

Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Pyrazole compounds

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

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1,3-Diphenyl-1H-pyrazol-5-amine

CAS No. 5356-71-8

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