1-o-tolyl-1H-pyrazole

Modify Date: 2025-09-25 12:22:05

1-o-tolyl-1H-pyrazole Structure
1-o-tolyl-1H-pyrazole structure
 Common Name 1-o-tolyl-1H-pyrazole
CAS Number 20157-44-2 Molecular Weight 158.20000
Density N/A Boiling Point N/A
Molecular Formula C10H10N2 Melting Point N/A
MSDS N/A Flash Point N/A

 Names

Name 1-(2-methylphenyl)pyrazole
Synonym More Synonyms

 Chemical & Physical Properties

Molecular Formula C10H10N2
Molecular Weight 158.20000
Exact Mass 158.08400
PSA 17.82000
LogP 2.18070

 Safety Information

HS Code 2933199090

 Synthetic Route

Pyrazole structure

Pyrazole

CAS#:288-13-1

2-Bromotoluene structure

2-Bromotoluene

CAS#:95-46-5

~89%

1-o-tolyl-1H-pyrazole Structure

1-o-tolyl-1H-py...

CAS#:20157-44-2

Literature: Correa, Arkaitz; Bolm, Carsten Advanced Synthesis and Catalysis, 2007 , vol. 349, # 17-18 p. 2673 - 2676
Pyrazole structure

Pyrazole

CAS#:288-13-1

4-Iodotoluene structure

4-Iodotoluene

CAS#:615-37-2

~91%

1-o-tolyl-1H-pyrazole Structure

1-o-tolyl-1H-py...

CAS#:20157-44-2

Literature: Cellier, Pascal Philippe; Cristau, Henri-Jean; Spindler, Jean-Francis; Taillefer, Marc Patent: US2003/236413 A1, 2003 ; Location in patent: Page 21 ;
Trimethylboroxin structure

Trimethylboroxin

CAS#:823-96-1

1-Phenylpyrazole structure

1-Phenylpyrazole

CAS#:1126-00-7

~37%

1-o-tolyl-1H-pyrazole Structure

1-o-tolyl-1H-py...

CAS#:20157-44-2

Literature: Chen, Xiao; Goodhue, Charles E.; Yu, Jin-Quan Journal of the American Chemical Society, 2006 , vol. 128, # 39 p. 12634 - 12635
Carbon dioxide structure

Carbon dioxide

CAS#:124-38-9

1-Phenylpyrazole structure

1-Phenylpyrazole

CAS#:1126-00-7

methoxy(dimethyl)alumane structure

methoxy(dimethy...

CAS#:6063-88-3

(Trimethylsilyl)diazomethane structure

(Trimethylsilyl...

CAS#:18107-18-1

~6%

Detail
Literature: Mizuno, Hajime; Takaya, Jun; Iwasawa, Nobuharu Journal of the American Chemical Society, 2011 , vol. 133, # 5 p. 1251 - 1253
Pyrazole structure

Pyrazole

CAS#:288-13-1

tolylboronic acid structure

tolylboronic acid

CAS#:16419-60-6

~60%

1-o-tolyl-1H-pyrazole Structure

1-o-tolyl-1H-py...

CAS#:20157-44-2

Literature: Kantam, Mannepalli Lakshmi; Venkanna, Gopaladasu Tirupati; Kumar, Kota Balaji Shiva; Subrahmanyam, Vura Bala Helvetica Chimica Acta, 2010 , vol. 93, # 5 p. 974 - 979
Pyrazole structure

Pyrazole

CAS#:288-13-1

~%

1-o-tolyl-1H-pyrazole Structure

1-o-tolyl-1H-py...

CAS#:20157-44-2

Literature: Mita, Tsuyoshi; Tanaka, Hiroyuki; Michigami, Kenichi; Sato, Yoshihiro Synlett, 2014 , vol. 25, # 9 p. 1291 - 1294
o-tolylhydrazine structure

o-tolylhydrazine

CAS#:529-27-1

Epichlorohydrin structure

Epichlorohydrin

CAS#:106-89-8

~%

1-o-tolyl-1H-pyrazole Structure

1-o-tolyl-1H-py...

CAS#:20157-44-2

Literature: Balbiano Gazzetta Chimica Italiana, 1888 , vol. 18, p. 358 Gazzetta Chimica Italiana, 1889 , vol. 19, p. 689

 Customs

HS Code 2933199090
Summary 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

1-O-TOLYLPYRAZOLE
l-o-tolyl-1H-pyrazole
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