2-(4-bromophenyl)-5-methyl-1,3,4-oxadiazole

Modify Date: 2025-08-26 19:08:55

2-(4-bromophenyl)-5-methyl-1,3,4-oxadiazole Structure
2-(4-bromophenyl)-5-methyl-1,3,4-oxadiazole structure
 Common Name 2-(4-bromophenyl)-5-methyl-1,3,4-oxadiazole
CAS Number 41421-03-8 Molecular Weight 239.06900
Density 1.528g/cm3 Boiling Point 327.9ºC at 760 mmHg
Molecular Formula C9H7BrN2O Melting Point N/A
MSDS USA Flash Point 152.1ºC

 Names

Name 2-(4-bromophenyl)-5-methyl-1,3,4-oxadiazole
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.528g/cm3
Boiling Point 327.9ºC at 760 mmHg
Molecular Formula C9H7BrN2O
Molecular Weight 239.06900
Flash Point 152.1ºC
Exact Mass 237.97400
PSA 38.92000
LogP 2.80750
Index of Refraction 1.577
InChIKey PQSCYRJMPVYVKU-UHFFFAOYSA-N
SMILES Cc1nnc(-c2ccc(Br)cc2)o1

 Safety Information

HS Code 2934999090

 Synthetic Route

5-(4-BROMOPHENYL)-1H-TETRAZOLE structure

5-(4-BROMOPHENY...

CAS#:50907-23-8

Ethanoic anhydride structure

Ethanoic anhydride

CAS#:108-24-7

~95%

2-(4-bromophenyl)-5-methyl-1,3,4-oxadiazole Structure

2-(4-bromopheny...

CAS#:41421-03-8

Literature: Reichart, Benedikt; Kappe, C. Oliver Tetrahedron Letters, 2012 , vol. 53, # 8 p. 952 - 955
Dimethylacetamide Dimethylacetal structure

Dimethylacetami...

CAS#:18871-66-4

4-bromobenzhydrazide structure

4-bromobenzhydrazide

CAS#:5933-32-4

~81%

2-(4-bromophenyl)-5-methyl-1,3,4-oxadiazole Structure

2-(4-bromopheny...

CAS#:41421-03-8

Literature: PFIZER LIMITED Patent: WO2006/100588 A1, 2006 ; Location in patent: Page/Page column 49-50 ; WO 2006/100588 A1
N,N-Dimethyl-2,2-dimethoxyacetamide structure

N,N-Dimethyl-2,...

CAS#:25408-61-1

4-bromobenzhydrazide structure

4-bromobenzhydrazide

CAS#:5933-32-4

~%

2-(4-bromophenyl)-5-methyl-1,3,4-oxadiazole Structure

2-(4-bromopheny...

CAS#:41421-03-8

Literature: PFIZER LIMITED; PFIZER INC. Patent: WO2005/28452 A1, 2005 ; Location in patent: Page/Page column 59-60 ; WO 2005/028452 A1
Ethanoic anhydride structure

Ethanoic anhydride

CAS#:108-24-7

~61%

2-(4-bromophenyl)-5-methyl-1,3,4-oxadiazole Structure

2-(4-bromopheny...

CAS#:41421-03-8

Literature: Moon, Ho-Sang; Yoo, Moo-Hi; Kim, Soon-Hoe; Lim, Joong-In; Son, Moon-Ho; Kim, Mi-Kyung; Shin, Chang-Yell; Kim, Jin-Kwan; Park, Sang-Kuk; Chae, Yu-Na; Shim, Hyun-Joo; Jeon, Sun-Ho; Kim, Hae-Sun; Wie, Gil-Tae; Kim, Dong-Hwan; Lee, Byung-Kyu; Park, Chan-Sun; Ahn, Byung-Nak; Kim, Eunkyung; Bae, Myung-Ho; Shin, Young-Ah; Hur, Youn; Lee, Chun-Ho; Choi, Hyun-Ho; Kim, Bongtae; Chong, Wonee Patent: US2010/63041 A1, 2010 ; Location in patent: Page/Page column 36 ;
acetic acid (4-bromobenzylidene)-hydrazide structure

acetic acid (4-...

CAS#:595565-71-2

~51%

2-(4-bromophenyl)-5-methyl-1,3,4-oxadiazole Structure

2-(4-bromopheny...

CAS#:41421-03-8

Literature: Shang, Zhenhua Synthetic Communications, 2006 , vol. 36, # 20 p. 2927 - 2937
N,N-Dimethylacetamide structure

N,N-Dimethylace...

CAS#:127-19-5

4-bromobenzhydrazide structure

4-bromobenzhydrazide

CAS#:5933-32-4

~89%

2-(4-bromophenyl)-5-methyl-1,3,4-oxadiazole Structure

2-(4-bromopheny...

CAS#:41421-03-8

Literature: Li, Qiang; Tao, Yi; Xu, Dongfang; Zhang, Haobing; Duan, Liping Journal of the Chinese Chemical Society, 2014 , vol. 61, # 6 p. 665 - 670
1-Acetyl-2-(p-bromobenzoyl)hydrazine structure

1-Acetyl-2-(p-b...

CAS#:74038-71-4

~76%

2-(4-bromophenyl)-5-methyl-1,3,4-oxadiazole Structure

2-(4-bromopheny...

CAS#:41421-03-8

Literature: Popova; Krasovitskii; Pivnenko; Surov Chemistry of Heterocyclic Compounds, 1997 , vol. 33, # 6 p. 712 - 717

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

MFCD00491620
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Chemsrc provides CAS#:41421-03-8 MSDS, density, melting point, boiling point, structure, etc. Its name is 2-(4-bromophenyl)-5-methyl-1,3,4-oxadiazole>> amp version: 2-(4-bromophenyl)-5-methyl-1,3,4-oxadiazole

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