Lot numbers can be found on the outside label of a product:
2,4,6-Trichloroquinazoline
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CAS No. 20028-68-6
- Cat. No. CS-D1561
- Purity≥95%
- MDL No.MFCD08445622
*For research and further manufacturing use only, not for direct human use.
Structure of 20028-68-6
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General Information
- CAS No. 20028-68-6
- Cat. No. CS-D1561
- Purity ≥95%
- MDL No. MFCD08445622
- Storage -20°C, sealed storage, away from moisture
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₈H₃Cl₃N₂
- Molecular Weight 233.48
- Synonym(s) 2,4,6-trichlroquinazoline
- SMILES ClC1=CC2=C(Cl)N=C(Cl)N=C2C=C1
Description
2,4,6-Trichloroquinazoline features a highly electron-deficient quinazoline core functionalized with three chlorine atoms at the 2, 4, and 6 positions. This configuration enhances its reactivity in nucleophilic substitution processes, enabling efficient coupling with amines and other heteroatoms. The compound serves as a key building block in medicinal chemistry for synthesizing kinase inhibitors and bioactive heterocycles under mild conditions.
Application
2,4,6-Trichloroquinazoline serves as a versatile building block for the synthesis of quinazoline-based pharmaceutical intermediates and functionalized heterocycles. Its three chlorines enable sequential nucleophilic substitution reactions under mild conditions, facilitating the introduction of diverse amine- and sulfonamide-containing moieties. The compound exhibits good bench stability and ease of purification, making it well-suited for scalable medicinal chemistry campaigns and API precursor development.
Synthesis
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Route1
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In-stock
1640-60-4 - ~91%
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In-stock
20028-68-6
References
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American Home Products Corporation Patent: US5187168 A1, 1993 ;
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Route2
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In-stock
1640-60-4
- ~%
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221043-13-6 -
In-stock
20028-68-6
References
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US2001/6969 A1, ;
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Route3
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32315-10-9
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In-stock
5922-60-1 - ~88%
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In-stock
20028-68-6
References
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Li, Zhenhua; Wu, Danli; Zhong, Weihui Heterocycles, 2012 , vol. 85, # 6 p. 1417 - 1426
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Safety Information
Download SDS|
GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H302-H315-H319-H335
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Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501
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Quality Control
Computational Chemistry Data
- TPSA 25.78
- LogP 3.59
- H_Acceptors 2
- H_Donors 0
- Rotatable_Bonds 0
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Key Words
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