2-(Methylthio)oxazolo[4,5-b]pyridine

Name: 2-(Methylthio)oxazolo[4,5-b]pyridine
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CAS No. 169205-95-2
Cat. No. CS-0150093
Purity≥97%
MDL No.MFCD00973738

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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+
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2-(Methylthio)oxazolo[4,5-b]pyridine|CS-0150093

Structure of 169205-95-2

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General Information

CAS No. 169205-95-2
Cat. No. CS-0150093
Purity ≥97%
MDL No. MFCD00973738
Storage Store at room temperature
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₇H₆N₂OS
Molecular Weight 166.20
Synonym(s) 7-BroMo-3H-iMidazo[4
SMILES CSC1=NC2=C(C=CC=N2)O1

Description

2-(Methylthio)oxazolo[4,5-b]pyridine features a fused heterocyclic core with a methylthio substituent that enhances electron density at the reaction site. This configuration supports efficient coupling in transition-metal-catalyzed transformations. The compound exhibits robust stability under standard bench conditions and facilitates direct functionalization at the pyridine nitrogen. Its structure enables seamless integration into complex molecular architectures.

Application

2-(Methylthio)oxazolo[4,5-b]pyridine serves as a versatile heterocyclic building block in medicinal chemistry, enabling efficient access to biologically relevant scaffolds. Its methylthio group offers orthogonal reactivity for selective functionalization, while the oxazolopyridine core provides structural rigidity and favorable pharmacophoric properties. The compound exhibits excellent bench stability and compatibility with standard coupling reactions, facilitating downstream derivatization in API development workflows.

Synthesis

Route1
- In-stock
  
  53052-06-5
- 74-88-4
- ~89%
- In-stock
  
  169205-95-2
References
- Deligeorgiev, Todor; Kaloyanova, Stefka; Lesev, Nedyalko; Vaquero, Juan J. Ultrasonics Sonochemistry, 2010 , vol. 17, # 5 p. 783 - 788
Route2
- In-stock
  
  16867-03-1
- ~%
- In-stock
  
  169205-95-2
References
- European Journal of Medicinal Chemistry, , vol. 40, # 1 p. 15 - 23

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H302-H319
Precautionary Statements : P264-P270-P280-P330-P501

Quality Control

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Computational Chemistry Data

TPSA 38.92
LogP 1.9447
H_Acceptors 4
H_Donors 0
Rotatable_Bonds 1

Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Oxazole compounds

Key Words

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2-(Methylthio)oxazolo[4,5-b]pyridine

CAS No. 169205-95-2

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