Lot numbers can be found on the outside label of a product:
4-Chloro-3-nitrobenzenesulfonyl chloride
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CAS No. 97-08-5
- Cat. No. CS-W001161
- Purity≥95%
- MDL No.MFCD00007440
*For research and further manufacturing use only, not for direct human use.
Structure of 97-08-5
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General Information
- CAS No. 97-08-5
- Cat. No. CS-W001161
- Purity ≥95%
- MDL No. MFCD00007440
- Storage Store at room temperature
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₆H₃Cl₂NO₄S
- Molecular Weight 256.06
- Synonym(s) 3-Nitro-4-chlorobenzensulfonyl chloride
- SMILES O=S(C1=CC=C(Cl)C([N+]([O-])=O)=C1)(Cl)=O
Description
4-Chloro-3-nitrobenzenesulfonyl chloride features a sulfonyl chloride group flanked by electron-withdrawing chloro and nitro substituents, enabling selective acylation in synthetic routes. This configuration enhances reactivity while maintaining stability under standard handling conditions, making it ideal for constructing sulfonamide derivatives in medicinal chemistry and materials science applications.
Application
4-Chloro-3-nitrobenzenesulfonyl chloride serves as a versatile sulfonylating agent for the synthesis of sulfonamide derivatives. Its reactivity is enhanced by the electron-withdrawing nitro and chloro groups, enabling efficient coupling with amines under mild conditions. The compound exhibits good bench stability and facilitates straightforward purification, making it well-suited for use in medicinal chemistry and process development workflows requiring selective sulfonamide formation.
Synthesis
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Route1
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6671-49-4 - ~82%
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In-stock
97-08-5
References
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Fuji Photo Film Co., Ltd. Patent: US5071994 A1, 1991 ;
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Route2
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88-73-3
- ~%
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In-stock
97-08-5
References
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US2511547 , ;
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Route3
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17691-19-9 - ~%
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In-stock
97-08-5
References
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Synthetic Communications, , vol. 27, # 5 p. 897 - 905
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Safety Information
Download SDS|
GHS Pictogram :
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GHS No : GHS05
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Signal Word : Danger
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UN#: 3261
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Class : 8
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Packing Group : Ⅱ
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Hazard Statements : H314
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Precautionary Statements : P260-P264-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P363-P405-P501
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Quality Control
Computational Chemistry Data
- TPSA 77.28
- LogP 2.1757
- H_Acceptors 4
- H_Donors 0
- Rotatable_Bonds 2
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Key Words
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