Lot numbers can be found on the outside label of a product:
2,4,5,6-Tetrachloropyrimidine
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CAS No. 1780-40-1
- Cat. No. CS-W019507
- Purity≥98%
- MDL No.MFCD00006062
*For research and further manufacturing use only, not for direct human use.
Structure of 1780-40-1
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General Information
- CAS No. 1780-40-1
- Cat. No. CS-W019507
- Purity ≥98%
- MDL No. MFCD00006062
- Storage -20°C, sealed storage, away from moisture
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₄Cl₄N₂
- Molecular Weight 217.87
- Synonym(s) Pyrimidine, tetrachloro-
- SMILES C1(=C(N=C(Cl)N=C1Cl)Cl)Cl
Description
2,4,5,6-Tetrachloropyrimidine serves as a highly reactive pyrimidine scaffold for constructing functionalized heterocycles. The four chlorine substituents enable efficient nucleophilic substitution under mild conditions, facilitating the incorporation of diverse amine and thiol-based moieties. This compound exhibits excellent bench stability and compatibility with standard synthetic protocols, making it a reliable building block in medicinal chemistry and agrochemical development.
Application
2,4,5,6-Tetrachloropyrimidine serves as a versatile building block in heterocyclic synthesis, enabling efficient access to substituted pyrimidines through nucleophilic displacement reactions. Its four chlorine atoms provide orthogonal reactivity for sequential functionalization, facilitating the construction of complex scaffolds relevant to agrochemical and pharmaceutical research. The compound exhibits excellent bench stability and is readily purified by recrystallization, making it well-suited for routine synthetic workflows.
Synthesis
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Route1
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106351-49-9 - ~%
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In-stock
1780-40-1
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In-stock
4359-87-9
References
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WO2008/135785 A1, ; Page/Page column 63-64 ; WO 2008/135785 A1
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Route2
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21428-20-6 - ~%
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In-stock
1780-40-1
References
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US4659827 A1, ;
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Route3
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67-52-7
- ~%
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In-stock
1780-40-1
References
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Journal of the American Chemical Society, , vol. 72, p. 4271 Journal of the American Chemical Society, , vol. 73, p. 3862
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Safety Information
Download SDS|
GHS Pictogram :
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GHS No : 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+H311-H315-H319-H335
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Precautionary Statements : P261-P280-P301+P330+P331
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Quality Control
Computational Chemistry Data
- TPSA 25.78
- LogP 3.0902
- H_Acceptors 2
- H_Donors 0
- Rotatable_Bonds 0
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Key Words
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