CAS 73183-34-3 Bis(pinacolato)diboron molecular structure

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CAS RN: 73183-34-3

Bis(pinacolato)diboron

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10 package records10 with current stock4 grade groups

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Batch No.	Package	Availability	Inquiry
Batchno.20250513	100g	In stock	Inquiry
Batchno.20251220	10g	In stock	Inquiry
Batchno.20260105	1g	In stock	Inquiry
Batchno.20260331	2.5kg	In stock	Inquiry
Batchno.20250110	25g	In stock	Inquiry
Batchno.20260402	500g	In stock	Inquiry
Batchno.20251023	5g	In stock	Inquiry

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Batchno.20250913	1g / 5g / 25g / 100g / 500g / 2.5kg	Confirm by inquiry	Shanghai, Shandong, Guangdong, Hebei, Chongqing	Inquiry

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Batchno.20260219	1g / 5g / 25g / 100g / 500g	Confirm by inquiry	Shanghai, Shandong, Guangdong, Hebei, Chongqing	Inquiry

Batch No.	Package	Availability	Warehouse	Inquiry
Batchno.20250901	1ml	In stock		Inquiry

Product code: SSC-182653

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Verified Factory Data

Supply Overview & Packaging Options

Packaging options, recorded purity, stock quantity and ship-from location below are generated from the current factory data table for this CAS.

Pack sizes on record: 5g, 10g, 25g, 100g, 500g, 1000g, 5000g, 10000g
Available purity: >98%
Inventory rows with stock: 8
Bulk packaging: confirmed by inquiry

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Recorded sizes, purity and stock details for CAS 73183-34-3
Pack Size	Recorded Purity	Available Qty	Ship From	Inquiry
5g	>98%	5 In Stock	Hong Kong	Inquiry
10g	>98%	5 In Stock	Shanghai	Inquiry
25g	>98%	5 In Stock	Hong Kong	Inquiry
100g	>98%	5 In Stock	Hong Kong	Inquiry
500g	>98%	5 In Stock	Shenzhen	Inquiry
1000g	>98%	5 In Stock	Shanghai	Inquiry
5000g	>98%	3 In Stock	Shenzhen	Inquiry
10000g	>98%	2 In Stock	Shanghai	Inquiry

73183-34-3 / 4,4,5,5-tetramethyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3,2-dioxaborolane

Standard CAS: 73183-34-3 Multi CAS: Yes

Basic Information Physical Properties Computed Properties

Basic Information

CAS

73183-34-3

Multi CAS

Yes

Molecular Formula

B2C12H24O4

Molecular Weight

253.900000

Exact Mass

254.186070

InChI

InChI=1S/C12H24B2O4/c1-9(2)10(3,4)16-13(15-9)14-17-11(5,6)12(7,8)18-14/h1-8H3

InChIKey

IPWKHHSGDUIRAH-UHFFFAOYSA-N

Physical Properties

Physical Description

Colorless solid;

State

Solid

Computed Properties

Structural Parameters

Heavy atom count

Fraction Csp3

Rotatable bonds

H-bond acceptors

Molar refractivity

72.16

TPSA

36.92

LogP / Solubility

WLOGP

2.25

MLOGP

1.99

XLogP3

2.25

Consensus LogP

2.16

Log S (ESOL)

-2.77

Class (ESOL)

Moderately soluble

Log S (Ali)

-3.27

Class (Ali)

Poorly soluble

Log S (SILICOS-IT)

-3.3

Class (SILICOS-IT)

Poorly soluble

ADME

GI absorption

High

BBB permeant

Yes

P-gp substrate

CYP1A2 inhibitor

CYP2C19 inhibitor

CYP2C9 inhibitor

CYP2D6 inhibitor

CYP3A4 inhibitor

Log Kp (skin permeation)

-2.67

Drug-likeness / Medicinal Chemistry

Lipinski

Yes

Ghose

Veber

Yes

Egan

Yes

Muegge

Yes

Bioavailability score

0.55

Brenk alerts

Leadlikeness

Yes

Synthetic Accessibility

1.5

Applications of CAS 73183-34-3

This compound is commonly used in metal and coordination compound chemistry, laboratory reagent and synthesis applications, general chemistry research and laboratory applications. Starshine Chemical supplies CAS 73183-34-3 for R&D and pilot-scale use, with flexible pack sizes and purity grades available.

Physical & Chemical Properties

IUPAC Name

4,4,5,5-tetramethyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3,2-dioxaborolane

Safety Information (GHS)

Pictogram(s): GHS05, GHS07. Signal word: Danger.

H302 (14.5%): Harmful if swallowed [Warning Acute toxicity, oral]
H314 (12.6%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
H315 (22%): Causes skin irritation [Warning Skin corrosion/irritation]
H317 (12.6%): May cause an allergic skin reaction [Warning Sensitization, Skin]
H319 (26.4%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
H332 (13.2%): Harmful if inhaled [Warning Acute toxicity, inhalation]
H335 (22%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary statements: P260, P261, P264, P264+P265, P270, P271, P272, P280, P301+P317, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P351+P338, P305+P354+P338, P316, P317, P319, P321, P330, P332+P317, P333+P317, P337+P317, P362+P364, P363, P403+P233, P405, and P501 (click each P-code to see the statement)

Request the SDS (Safety Data Sheet) for full hazard and safety documentation.

Storage & Handling

Storage: Store under inert gas. Avoid: Moisture Sensitive,Heat Sensitive. For detailed hazard, storage and transport information, request the SDS (Safety Data Sheet) with your inquiry.

Quotation & Packaging

Prices are confirmed by inquiry. Request a quote for current pricing, minimum order quantity (MOQ) and lead time. The pack sizes listed on this page are reference options; custom pack sizes and bulk quantities are available on request.

Quality & Compliance

Specifications and purity shown on this page are based on batch records. A Certificate of Analysis (COA) is available on request. For research and further manufacturing use only — not for direct human or therapeutic use.