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3-(5-bromo-2-thienyl)-1-phenyl-1H-pyrazole-4-carboxaldehyde is a complex organic compound with the molecular formula C15H10BrNOS. It features a pyrazole core, which is a five-membered aromatic ring containing nitrogen. The compound has a bromine atom attached to the thiophene ring, which is a sulfur-containing aromatic ring, and a phenyl group attached to the pyrazole. The aldehyde functional group is present at the 4-position of the pyrazole ring, indicating the presence of a carbonyl group. This chemical is known for its potential applications in the synthesis of pharmaceuticals and other organic compounds due to its unique structure and reactivity.

274900-91-3

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Basic information
1. Product Name: 3-(5-bromo-2-thienyl)-1-phenyl-1H-pyrazole-4-carboxaldehyde
2. Synonyms: 3-(5-bromo-2-thienyl)-1-phenyl-1H-pyrazole-4-carboxaldehyde
3. CAS NO:274900-91-3
4. Molecular Formula:
5. Molecular Weight: 333.208
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: 3-(5-bromo-2-thienyl)-1-phenyl-1H-pyrazole-4-carboxaldehyde(CAS DataBase Reference)
10. NIST Chemistry Reference: 3-(5-bromo-2-thienyl)-1-phenyl-1H-pyrazole-4-carboxaldehyde(274900-91-3)
11. EPA Substance Registry System: 3-(5-bromo-2-thienyl)-1-phenyl-1H-pyrazole-4-carboxaldehyde(274900-91-3)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 274900-91-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 274900-91-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,4,9,0 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 274900-91:
(8*2)+(7*7)+(6*4)+(5*9)+(4*0)+(3*0)+(2*9)+(1*1)=153
153 % 10 = 3
So 274900-91-3 is a valid CAS Registry Number.

274900-91-3Upstream product

68-12-2 N,N-dimethyl-formamide

274900-91-3Downstream Products

274900-91-3Relevant academic research and scientific papers

Design and synthesis of some oxadiazolyl, thiadiazolyl, thiazolidinyl, and thiazolyl derivatives of 1H-pyrazole as anti-inflammatory antimicrobial agents

Farghaly, Ahmed A.,Bekhit, Adnan A.,Park, Ji Young

, p. 53 - 57 (2007/10/03)

Four series of 1H-pyrazole derivatives have been synthesized. The first series was prepared by cyclization of the intermediate 3-(5-bromo-2-thienyl)- 1-phenyl-1H-pyrazole-4-carbaldehyde aroylhydrazone 4a-c with acetic anhydride to afford the corresponding

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