trans-2-Ethoxyvinylboronic acid pinacol ester

CAS 1201905-61-4C10H19BO31198.07 g/mol1

As of October 2026, the China regional price index for trans-2-Ethoxyvinylboronic acid pinacol ester (CAS 1201905-61-4) at 98% purity is $18.98 per 5 g, the median of 5 sources. The US regional index for the same specification and package is $47.81, from 1 source. These are research reference indexes in USD, not supplier quotations. trans-2-Ethoxyvinylboronic acid pinacol ester is also known as (E)-(2-Ethoxyvinyl)boronic acid pinacol ester, (E)-1-Ethoxyethene-2-boronic acid pinacol ester.

Review safety sources. Verify before use.

Market Intelligence Snapshot

Market Intelligence Snapshot

98% · 5 g · Regional reference indexes

US Regional Index
$47.81

Per 5 g basis

China Regional Index
$18.98

Per 5 g basis

Regional Gap
60.3%

$28.83 less in China

Updated Oct 15, 2026 · Reference indexes, not supplier quotations

Calculation evidence & references
US index evidence · regional-median-v11 observations · 1 eligible suppliers · calculated Oct 15, 2026
China index evidence · regional-median-v15 observations · 5 eligible suppliers · calculated Oct 15, 2026
Public market reference channelsAlibaba.com ↗Amazon Business ↗How calculated ↗

Platform links identify public market channels. Exact supplier identities remain private; each displayed value is a GrapeCat Chem regional index, not a platform quote.

12-Month Regional Index History

Confidence: LIMITEDFreshness: Oct 15, 2026

USD-normalized · 5 g comparison basis

Compressed price scale · omitted empty range: 19.3–47.5

View exact monthly observations →
Latest six exact monthly observations
RegionOct26
US47.8
CN19
Exact monthly observations (1)
Exact monthly observations
USChina
47.8100000018.98000000

Published 1y index history · regional-median-v1 · basis 5 g · Methodology ↗

Structure, sources & questions
2D molecular structure of trans-2-Ethoxyvinylboronic acid pinacol ester, CAS 1201905-61-4

PubChem CID pubchem:21973908 1

Safety & regulatory sourcesReference sources

Review source records and requirements before use.

Available Specifications & Package Bases

Available Specifications & Package Bases

Normalized specification and package facts from eligible technical documents; source-specific supplier promotion remains private. Each package is an independent research basis. How calculated ↗

98%
5 g
Current basis
US
$47.81
China
$18.98
Gap
60.3%
$28.83 less in China

regional-median-v1 · 1/5 US/CN observations · calculated Oct 15, 2026

98%
1 g
View prices
US
$23.91
China
$3.88
Gap
83.8%
$20.03 less in China

regional-median-v1 · 1/3 US/CN observations · calculated Oct 15, 2026

98%
10 g
View prices
US
N/A
China
$37.28
Gap
N/A

regional-median-v1 · —/4 US/CN observations · calculated Oct 15, 2026

98%
25 g
View prices
US
$119.54
China
$57.38
Gap
52%
$62.16 less in China

regional-median-v1 · 1/4 US/CN observations · calculated Oct 15, 2026

98%
50 g
View prices
US
N/A
China
$80.09
Gap
N/A

regional-median-v1 · —/2 US/CN observations · calculated Oct 15, 2026

98%
100 g
View prices
US
$430.33
China
$280.54
Gap
34.8%
$149.79 less in China

regional-median-v1 · 1/4 US/CN observations · calculated Oct 15, 2026

98%
250 g
View prices
US
N/A
China
$320.21
Gap
N/A

regional-median-v1 · —/2 US/CN observations · calculated Oct 15, 2026

98%
500 g
View prices
US
$1,721.32
China
$608.37
Gap
64.7%
$1,112.95 less in China

regional-median-v1 · 1/2 US/CN observations · calculated Oct 15, 2026

98%
250 mg
View prices
US
N/A
China
$3.37
Gap
N/A

regional-median-v1 · —/2 US/CN observations · calculated Oct 15, 2026

97%
1 g
View prices
US
N/A
China
$5.98
Gap
N/A

regional-median-v1 · —/5 US/CN observations · calculated Oct 15, 2026

97%
5 g
View prices
US
N/A
China
$22.18
Gap
N/A

regional-median-v1 · —/4 US/CN observations · calculated Oct 15, 2026

97%
10 g
View prices
US
N/A
China
$24.21
Gap
N/A

regional-median-v1 · —/3 US/CN observations · calculated Oct 15, 2026

Reference Data & Physical Properties

Chemical Reference & Physical Properties

Secondary scientific reference values; unavailable fields remain unfilled.

External identifiers

InChIKey
MRAYNLYCQPAZJN-BQYQJAHWSA-N
PubChem CID
219739081
MDL Number
—
SMILES
B1(OC(C(O1)(C)C)(C)C)/C=C/OCC

Applicable physical properties

Only source-provided properties applicable to this published basis are shown. Storage and container requirements remain in Safety Summary.

No applicable, independently verified physical-property values are published for this basis.
Sources (1)[1] PubChem CID pubchem:21973908Verified 2026-10-15

Identifiers and synonyms

Synonyms
(E)-(2-Ethoxyvinyl)boronic acid pinacol ester, (E)-1-Ethoxyethene-2-boronic acid pinacol ester
CAS
1201905-61-4
Formula
C10H19BO3
Molecular weight
198.07 g/mol
InChIKey
MRAYNLYCQPAZJN-BQYQJAHWSA-N
PubChem CID
21973908

Questions about trans-2-Ethoxyvinylboronic acid pinacol ester

What is the CAS number of trans-2-Ethoxyvinylboronic acid pinacol ester?

The CAS number of trans-2-Ethoxyvinylboronic acid pinacol ester is 1201905-61-4. Its molecular formula is C10H19BO3 and its molecular weight is 198.07 g/mol.

What is the price index of trans-2-Ethoxyvinylboronic acid pinacol ester?

As of October 2026, the China regional price index for trans-2-Ethoxyvinylboronic acid pinacol ester (CAS 1201905-61-4) at 98% purity is $18.98 per 5 g, the median of 5 sources. The US regional index for the same specification and package is $47.81, from 1 source.

Why is the US index higher than the China index for trans-2-Ethoxyvinylboronic acid pinacol ester?

For 98%, 5 g, the China index is 60.3% lower in October 2026. The two indexes are built from different sets of sources in each region; the methodology page explains how listings are assigned to a region and converted to USD. The gap describes observed list prices, not landed cost: duties, freight and handling are not included.

What purities and package sizes are covered?

GrapeCat Chem publishes 12 comparison bases for trans-2-Ethoxyvinylboronic acid pinacol ester; the table on this page lists the index for each purity and package size.

Is this a quotation?

No. GrapeCat Chem does not sell chemicals. The values are research indexes calculated from observed list prices and are not offers, quotations or real-time prices.

Classification

Scientific Sourcing Taxonomy

Chemical SynthesisBoronic Acids & Derivatives
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Research index data only. Regional indexes are not executable quotations. Safety, physical-property, and regulatory references must be independently confirmed.

Data Methodology