Lot numbers can be found on the outside label of a product:
1,2-Diamino-4,5-dichlorobenzene
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CAS No. 5348-42-5
- Cat. No. CS-D1350
- Purity≥98%
- MDL No.MFCD00007723
*For research and further manufacturing use only, not for direct human use.
Structure of 5348-42-5
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General Information
- CAS No. 5348-42-5
- Cat. No. CS-D1350
- Purity ≥98%
- MDL No. MFCD00007723
- Storage 4°C, protect from light
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₆H₆Cl₂N₂
- Molecular Weight 177.03
- Synonym(s) 1,2-Dichloro-4,5-diaminobenzene; 1,2-Dichloro-4,5-phenylenediamine; 2-Amino-4,5-dichloroaniline; 4,5-Dichloro-1,2-benzenediamine; Dichloroophenylenediamine
- SMILES NC1=CC(Cl)=C(Cl)C=C1N
Description
1,2-Diamino-4,5-dichlorobenzene features two amino groups flanking a dichlorinated benzene core, enabling robust coupling reactions in heterocyclic synthesis. This electron-deficient scaffold integrates efficiently into pharmaceutical intermediates and functional materials, offering enhanced stability under standard conditions.
Application
1,2-Diamino-4,5-dichlorobenzene serves as a versatile building block in medicinal chemistry and materials science, enabling the synthesis of heterocyclic scaffolds via cyclization reactions. Its ortho-diamino functionality facilitates metal-catalyzed couplings and coordination complex formation, while the dichloro substituents provide sites for further functionalization through palladium-catalyzed cross-coupling. The compound exhibits good bench stability and is readily purified by recrystallization, making it suitable for scalable synthesis.
Synthesis
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Route1
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In-stock
6641-64-1 - ~10%
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In-stock
5348-42-5
References
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Porcari, Anthony R.; Devivar, Rodrigo V.; Kucera, Louis S.; Drach, John C.; Townsend, Leroy B. Journal of Medicinal Chemistry, 1998 , vol. 41, # 8 p. 1252 - 1262
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Route2
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6306-39-4 - ~25%
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In-stock
5348-42-5
References
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Dissoki, Samar; Laky, Desideriu; Mishani, Eyal Journal of Labelled Compounds and Radiopharmaceuticals, 2006 , vol. 49, # 6 p. 533 - 543
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Route3
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95-50-1 - ~%
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In-stock
5348-42-5
References
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Nucleosides and Nucleotides, , vol. 13, # 1-3 p. 437 - 446
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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+H312+H332-H315-H319-H335
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Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P330-P362+P364-P405-P501
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Quality Control
Computational Chemistry Data
- TPSA 52.04
- LogP 2.1578
- H_Acceptors 2
- H_Donors 2
- Rotatable_Bonds 0
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Key Words
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