Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4-Ethynylbenzeneboronic acid pinacol ester
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-Ethynylbenzeneboronic acid pinacol ester
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: 4-Ethynylbenzeneboronic acid pinacol ester
Price: ￥Inquiry/100mg ￥Inquiry/1g ￥Inquiry/250mg ￥Inquiry/25g
Purity: 95.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

1034287-04-1

1034287-04-1 structure

1034287-04-1 structure

Name: 4-Ethynylbenzeneboronic acid pinacol ester
Chemical Name: 2-(4-Ethynylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
CAS Number: 1034287-04-1
Molecular Formula: C₁₄H₁₇BO₂
Molecular Weight: 228.09500
Create Date: 2018-08-30 19:21:19
Modify Date: 2025-08-21 13:59:41

Name	2-(4-Ethynylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
Synonyms	AMTB205 4-ETHYNYLBENZENEBORONIC ACID PINACOL ESTER A-9216 4-Ethynylphenylboronic acid pinacol ester

Melting Point	66-70°C
Molecular Formula	C₁₄H₁₇BO₂
Molecular Weight	228.09500
Exact Mass	228.13200
PSA	18.46000
LogP	1.96710

HS Code	2934999090

766-96-1 structure

766-96-1

61676-62-8 structure

61676-62-8

~68%

1034287-04-1 structure

1034287-04-1

Literature: Journal of Polymer Science, Part A: Polymer Chemistry, , vol. 49, # 15 p. 3355 - 3365

90965-06-3 structure

90965-06-3

128376-64-7 structure

128376-64-7

~%

1034287-04-1 structure

1034287-04-1

Literature: Synlett, , # 19 p. 3037 - 3041

589-87-7 structure

589-87-7

~%

1034287-04-1 structure

1034287-04-1

Literature: Journal of Polymer Science, Part A: Polymer Chemistry, , vol. 49, # 15 p. 3355 - 3365

Precursor 5
766-96-1 61676-62-8 90965-06-3 128376-64-7
589-87-7
DownStream 3
171364-81-1 870238-65-6 1190376-20-5

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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