Lot numbers can be found on the outside label of a product:
3-Amino-5,6-dichloropyridine
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CAS No. 98121-41-6
- Cat. No. CS-W010849
- Purity≥97%
- MDL No.MFCD03840434
*For research and further manufacturing use only, not for direct human use.
Structure of 98121-41-6
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General Information
- CAS No. 98121-41-6
- Cat. No. CS-W010849
- Purity ≥97%
- MDL No. MFCD03840434
- Storage 4°C, protect from light
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₅H₄Cl₂N₂
- Molecular Weight 163.00
- Synonym(s) 5-Amino-2,3-dichloropyridine
- SMILES NC1=CN=C(C(=C1)Cl)Cl
Description
3-Amino-5,6-dichloropyridine features a pyridine core functionalized with amino and dichloro substituents at strategic positions, enabling selective coupling reactions. The electron-deficient ring system enhances reactivity in nucleophilic substitution processes, while the amino group provides a handle for further derivatization. This compound serves as a key intermediate in medicinal chemistry and agrochemical synthesis, offering high stability under standard bench conditions.
Application
3-Amino-5,6-dichloropyridine serves as a versatile building block in medicinal chemistry, enabling efficient access to substituted pyridine scaffolds via Suzuki-Miyaura and Buchwald-Hartwig coupling reactions. Its ortho-dichloro substitution pattern facilitates selective functionalization, while the amino group offers direct derivatization potential. The compound exhibits excellent bench stability and is readily purified by recrystallization, making it well-suited for scalable synthesis of API intermediates and heterocyclic libraries.
Synthesis
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Route1
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In-stock
22353-40-8 - ~88%
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In-stock
98121-41-6
References
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Koch; Schnatterer Synthesis, 1990 , # 6 p. 499 - 501
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Route2
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In-stock
22353-40-8
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7439-89-6 - ~86%
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In-stock
98121-41-6
References
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Hoechst Aktiengesellschaft Patent: US4756739 A1, 1988 ;
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Route3
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In-stock
22353-40-8
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7732-18-5
- ~70%
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In-stock
98121-41-6
References
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Abbott Laboratories Patent: US6133253 A1, 2000 ;
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Safety Information
Download SDS|
GHS Pictogram :
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GHS No : GHS05,GHS06
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Signal Word : Danger
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UN#: 2811
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Class : 6.1
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Packing Group : Ⅲ
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Hazard Statements : H301-H315-H318
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Precautionary Statements : P264-P270-P280-P302+P352-P330-P362-P405-P501
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Quality Control
Computational Chemistry Data
- TPSA 38.91
- LogP 1.9706
- H_Acceptors 2
- H_Donors 1
- Rotatable_Bonds 0
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