Lot numbers can be found on the outside label of a product:
2,5-Dichlorobenzo[d]thiazole
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CAS No. 2941-48-2
- Cat. No. CS-W019279
- Purity≥95%
- MDL No.MFCD00044024
*For research and further manufacturing use only, not for direct human use.
![2,5-Dichlorobenzo[d]thiazole|CS-W019279](https://file.chemscene.com/productPIC/CS-W019279.gif)
Structure of 2941-48-2
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General Information
- CAS No. 2941-48-2
- Cat. No. CS-W019279
- Purity ≥95%
- MDL No. MFCD00044024
- Storage -20°C
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₇H₃Cl₂NS
- Molecular Weight 204.08
- Synonym(s) 2,5-Dichlorobenzothiazole
- SMILES ClC1=CC=C(SC(Cl)=N2)C2=C1
Description
2,5-Dichlorobenzo[d]thiazole features a rigid, electron-deficient heterocyclic core that integrates seamlessly into pharmaceutical and materials synthesis. The ortho-chlorine substituents enhance reactivity in electrophilic substitution while maintaining stability under standard conditions. This compound serves as a key scaffold for bioactive molecules and functional polymers.
Application
2,5-Dichlorobenzo[d]thiazole serves as a versatile building block for heterocyclic synthesis, enabling efficient construction of complex scaffolds via palladium-catalyzed cross-coupling reactions. The dichloro substitution pattern provides orthogonal reactivity for sequential functionalization, while the benzo[d]thiazole core offers enhanced stability and favorable electronic properties for medicinal chemistry applications. Its bench-stable nature and compatibility with standard synthetic protocols facilitate straightforward purification and integration into multi-step sequences.
Synthesis
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Route1
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In-stock
![5-Chlorobenzo[d]thiazole-2(3H)-thione|CS-W015535](https://file.chemscene.com/productPIC/CS-W015535.gif)
5331-91-9 - ~96%
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In-stock
2941-48-2
References
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Amgen Inc. Patent: US2005/250820 A1, 2005 ; Location in patent: Page/Page column 71 ; US 20050250820 A1
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Route2
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![5-Chloro-2-hydrazinylbenzo[d]thiazole|CS-0539549](https://file.chemscene.com/productPIC/CS-0539549.gif)
20174-72-5 - ~%
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In-stock
2941-48-2
References
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Ouyang, Liang; Huang, Yuhui; Zhao, Yuwei; He, Gu; Xie, Yongmei; Liu, Jie; He, Jun; Liu, Bo; Wei, Yuquan Bioorganic and Medicinal Chemistry Letters, 2012 , vol. 22, # 9 p. 3044 - 3049
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Route3
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In-stock
20358-00-3 - ~%
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In-stock
2941-48-2
References
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Ouyang, Liang; Huang, Yuhui; Zhao, Yuwei; He, Gu; Xie, Yongmei; Liu, Jie; He, Jun; Liu, Bo; Wei, Yuquan Bioorganic and Medicinal Chemistry Letters, 2012 , vol. 22, # 9 p. 3044 - 3049
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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 12.89
- LogP 3.6031
- H_Acceptors 2
- H_Donors 0
- Rotatable_Bonds 0
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