5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-y… 942070-84-0

Name: 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)oxazole
Brand: Vaqora Chemicals
SKU: VQ-050275

About 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)oxazole

5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)oxazole (CAS 942070-84-0) is an API impurity reference standard offered by Vaqora Chemicals. With the molecular formula C9H14BNO3, it has a molar mass of 195.03 g/mol. Its systematic (IUPAC) name is 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-oxazole. Alternative names: Oxazole-5-boronic acid pinacol ester and 1,3-Oxazol-5-ylboronic acid pinacol ester.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Warning” with 4 hazard statements. Review the Safety Data Sheet before use.

This the parent drug substance impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)oxazole is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Specifications & identifiers

Chemical identifiers
Product name	5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)oxazole
Catalogue No.	VQ-050275
CAS Number	942070-84-0
IUPAC name	5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-oxazole
Molecular formula	C₉H₁₄BNO₃
Molecular weight	195.03 g/mol
Exact mass	195.1067
Grade	Reference Standard
HSN code	38229090
InChIKey	VKDRZPADYMLKNW-UHFFFAOYSA-N
SMILES	B1(OC(C(O1)(C)C)(C)C)C2=CN=CO2
PubChem CID	53427091

Physical properties
Physical form	Solid
H-bond donors / acceptors	0 / 4
TPSA	44.5 Å²
Synonyms	5-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-oxazole, Oxazole-5-boronic acid pinacol ester, Oxazole, 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, 1,3-Oxazol-5-ylboronic acid pinacol ester, 5-(4,4,5,5-tetramethyl-1,3,2,-dioxaboralan-2-yl)oxazole

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)oxazole?

The CAS Registry Number of 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)oxazole is 942070-84-0. It is also known as 5-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-oxazole, Oxazole-5-boronic acid pinacol ester, Oxazole, 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-.

What is the molecular formula and molecular weight of 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)oxazole?

5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)oxazole has the molecular formula C9H14BNO3 and a molecular weight of 195.03 g/mol. Its IUPAC name is 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-oxazole.

Which grade and pack sizes of 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)oxazole can I order?

We supply 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)oxazole in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)oxazole?

Yes. Every lot of 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)oxazole is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)oxazole be shipped internationally?

Yes. 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)oxazole is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.