Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 3-Methylthiophene-2-boronic acid pinacol ester
Price:
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 3-Methylthiophene-2-boronic acid pinacol ester
Price: ￥678.0/1g
Purity: 98.0%
Stocking Period: 3 Day
Contact: Liu jia

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3-Methylthiophene-2-boronic acid pinacol ester
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang

885692-91-1

885692-91-1 structure

Name: 3-Methylthiophene-2-boronic acid pinacol ester
Chemical Name: 4,4,5,5-Tetramethyl-2-(3-methylthiophen-2-yl)-1,3,2-dioxaborolane
CAS Number: 885692-91-1
Molecular Formula: C₁₁H₁₇BO₂S
Molecular Weight: 224.128
Create Date: 2018-07-21 15:20:09
Modify Date: 2024-01-19 08:48:36

Name	4,4,5,5-Tetramethyl-2-(3-methylthiophen-2-yl)-1,3,2-dioxaborolane
Synonyms	4,4,5,5-tetramethyl-2-(3-methylthiophen-2-yl)-1,3,2-dioxaborolane 4,4,5,5-Tetramethyl-2-(3-methyl-2-thienyl)-1,3,2-dioxaborolane 1,3,2-dioxaborolane, 4,4,5,5-tetramethyl-2-(3-methyl-2-thienyl)- 3-Methylthiophene-2-boronic acid pinacol ester

Density	1.1±0.1 g/cm3
Boiling Point	305.3±30.0 °C at 760 mmHg
Melting Point	57-62ºC
Molecular Formula	C₁₁H₁₇BO₂S
Molecular Weight	224.128
Flash Point	138.4±24.6 °C
Exact Mass	224.104233
PSA	46.70000
LogP	2.35570
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.501

HS Code	2934999090

61676-62-8

~54%

885692-91-1

Literature: Illig, Carl R.; Ballentine, Shelley K.; Chen, Jinsheng; Meegalla, Sanath K.; Rudolph, M. Jonathan; Wall, Mark J.; Wilson, Kenneth J.; Desjarlais, Renee L.; Manthey, Carl L.; Molloy, Christopher J. Patent: US2008/51402 A1, 2008 ; Location in patent: Page/Page column 35 ; US 20080051402 A1

14282-76-9

61676-62-8

~52%

885692-91-1

Literature: JANSSEN PHARMACEUTICA N.V. Patent: WO2007/48088 A2, 2007 ; Location in patent: Page/Page column 61-62 ; WO 2007/048088 A2

616-44-4

25015-63-8

885692-91-1

635305-48-5

Literature: Tetrahedron, , vol. 64, # 26 p. 6103 - 6114

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

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