Lot numbers can be found on the outside label of a product:
Benzylidenehydrazine
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CAS No. 5281-18-5
- Cat. No. CS-0163075
- Purity≥95%
- MDL No.None
*For research and further manufacturing use only, not for direct human use.
Structure of 5281-18-5
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General Information
- CAS No. 5281-18-5
- Cat. No. CS-0163075
- Purity ≥95%
- MDL No. None
- Storage 4°C, protect from light
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₇H₈N₂
- Molecular Weight 120.15
- Synonym(s) Benzaldehyde hydrazone
- SMILES N/N=C/C1=CC=CC=C1
Description
Benzylidenehydrazine serves as a key building block in heterocyclic synthesis, featuring a reactive hydrazone functionality that readily participates in cyclization reactions. This bench-stable compound integrates efficiently into diverse molecular architectures, enabling rapid access to bioactive scaffolds in medicinal chemistry and materials science applications.
Application
Benzylidenehydrazine serves as a versatile building block in heterocyclic synthesis, enabling efficient access to hydrazone-based scaffolds and pyrazole derivatives through condensation reactions. Its bench-stable nature and predictable reactivity facilitate straightforward purification and integration into multi-step synthetic sequences. Functions effectively in standard coupling protocols and offers reliable functional group tolerance for downstream modifications in medicinal chemistry workflows.
Synthesis
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Route1
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100-52-7 - ~86%
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In-stock
5281-18-5
References
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Shastin; Korotchenko; Nenajdenko; Balenkova Tetrahedron, 2000 , vol. 56, # 35 p. 6557 - 6563
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Route2
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100-52-7
- ~%
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In-stock
5281-18-5
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In-stock
588-68-1
References
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Hormann, Robert Eugene; Chortyk, Orestes; Le, Dat Phat Patent: US2004/171651 A1, 2004 ; Location in patent: Page/Page column 29 ; Title/Abstract Full Text Show Details Chortyk, Orestes; Le, Dat Phat; Hormann, Robert Eugene Patent: US2004/171651 A1, 2004 ; Location in patent: Page/Page column 29 ;
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Route3
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1075-70-3 - ~92%
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In-stock
5281-18-5
References
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Werbel; Hung; McNamara; Ortwine European Journal of Medicinal Chemistry, 1985 , vol. 20, # 4 p. 363 - 370
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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-H319
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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 38.38
- LogP 0.9792
- H_Acceptors 2
- H_Donors 1
- Rotatable_Bonds 1
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