Devazepide
Devazepide (CAS: 103420-77-5), with the molecular formula C25H20N4O2 and a molecular weight of 408.45 g/mol, is a potent and selective cholecystokinin (CCK) receptor antagonist. This white to off-white powder is primarily utilised in scientific research for its ability to block CCK-A and CCK-B receptors. Its applications are mainly within neurochemical and pharmacological investigations, particularly concerning their role in gastrointestinal functions and central nervous system processes.
- IUPAC
- (S)-N-(2,3-Dihydro-1-methyl-2-oxo-5-phenyl-1H-1,4-benzodiazepin-3-yl)indole-2-carboxamide,L-364,718,MK 329
- Synonyms
- (S)-N-(2,3-Dihydro-1-methyl-2-oxo-5-phenyl-1H-1,4-benzodiazepin-3-yl)indole-2-carboxamideL-364,718MK 329

Pharmacological Research Tool
Devazepide serves as a critical tool for researchers investigating the physiological roles of cholecystokinin (CCK) receptors in both the central and peripheral nervous systems. Its high selectivity allows for precise studies into CCK-mediated effects.
Neuroscience and Behavioral Studies
As a CCK receptor antagonist, Devazepide is employed in neuroscience to explore CCK's influence on appetite, satiety, anxiety, and pain perception. This aids in understanding potential therapeutic targets for neurological and psychiatric disorders.
Gastrointestinal Physiology Research
The compound is used to study the role of CCK receptors in regulating gastric emptying, pancreatic secretion, and gall bladder contraction. This research contributes to a deeper understanding of digestive system regulation.
| Molecular weight | 408.45 |
|---|---|
| Empirical formula | C25H20N4O2 |
| Assay | ≥98% (HPLC) |
| Form | powder |
| Colour | white to off-white |
| Solubility | DMSO: >5 mg/mL |
| Storage temperature | 2-8°C |

Hazard statements
- H300Fatal if swallowed
Precautionary statements
- P264Wash thoroughly after handling
- P301IF SWALLOWED
| Transport (UN / ADR) | UN 2811 6.1 / PGI |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T+ |
| Risk statements (R) | 28 |
| Safety statements (S) | 28-36/37-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Storage Condition | desiccated |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Devazepide used for?
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Devazepide (CAS: 103420-77-5) is used as a selective cholecystokinin (CCK) receptor antagonist primarily in scientific research, particularly in neuroscience, behavioural studies, and gastrointestinal physiology research.
What are the CAS number and formula for Devazepide?
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The CAS number for Devazepide is 103420-77-5 and its molecular formula is C25H20N4O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Devazepide with an assay of ≥98% (HPLC). This product is intended for research purposes and is not supplied as USP, BP, EP, or any other pharmacopoeia grade.
How should Devazepide be handled safely?
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Devazepide is classified as toxic if swallowed (H300) and carries a 'Danger' signal word. Handle with extreme caution in a well-ventilated area, wearing appropriate personal protective equipment, and avoid any ingestion. Refer to the Safety Data Sheet for full handling instructions.
How is Devazepide packed and shipped?
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Devazepide is supplied as a white to off-white powder and should be stored at 2-8°C in a desiccated state. We adhere to all regulations for the safe packing, handling, and export of chemical compounds.
Can I request a sample or quote for Devazepide?
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Yes, please contact our sales team or use the online request form to obtain a quote or inquire about sample availability for Devazepide.
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