Crisaborole o-Isomer

Name: Crisaborole o-Isomer
Brand: Vaqora Chemicals
SKU: VQ-043125

About Crisaborole o-Isomer

Listed under CAS 906673-30-1, Crisaborole o-Isomer is an impurity of Crisaborole available from Vaqora Chemicals. With the molecular formula C14H10BNO3, it has a molar mass of 251.05 g/mol. The IUPAC name is 2-[(1-hydroxy-3H-2,1-benzoxaborol-5-yl)oxy]benzonitrile. Common synonyms include 4-Descyano-2-cyano-crisaborole.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Crisaborole, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Crisaborole

View every impurity, metabolite and intermediate we list for Crisaborole.

Crisaborole impurities

Specifications & identifiers

Chemical identifiers
Product name	Crisaborole o-Isomer
Catalogue No.	VQ-043125
CAS Number	906673-30-1
IUPAC name	2-[(1-hydroxy-3H-2,1-benzoxaborol-5-yl)oxy]benzonitrile
Molecular formula	C₁₄H₁₀BNO₃
Molecular weight	251.05 g/mol
Exact mass	251.0754
Grade	Reference Standard
HSN code	38229090
InChIKey	GWZBDMXSRRGGLN-UHFFFAOYSA-N
SMILES	B1(C2=C(CO1)C=C(C=C2)OC3=CC=CC=C3C#N)O
PubChem CID	44223606

Physical properties
Physical form	Solid
H-bond donors / acceptors	1 / 4
TPSA	62.5 Å²
Synonyms	4-Descyano-2-cyano-crisaborole, 2-((1-Hydroxy-1,3-dihydrobenzo[c][1,2]oxaborol-5-yl)oxy)benzonitrile, 2-((1,3-Dihydro-1-hydroxy-2,1-benzoxaborol-5-yl)oxy)benzonitrile, 2-((1-Hydroxy-1,3-dihydro-2,1-benzoxaborol-5-yl)oxy)benzonitrile, 2-[(1,3-Dihydro-1-hydroxy-2,1-benzoxaborol-5-yl)oxy]benzonitrile, 2-[(1-Hydroxy-1,3-dihydro-2,1-benzoxaborol-5-yl)oxy]benzonitrile, Benzonitrile, 2-((1,3-dihydro-1-hydroxy-2,1-benzoxaborol-5-yl)oxy)-, Benzonitrile, 2-[(1,3-dihydro-1-hydroxy-2,1-benzoxaborol-5-yl)oxy]-

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 Crisaborole o-Isomer?

The CAS Registry Number of Crisaborole o-Isomer is 906673-30-1. It is also known as 4-Descyano-2-cyano-crisaborole, 2-((1-Hydroxy-1,3-dihydrobenzo[c][1,2]oxaborol-5-yl)oxy)benzonitrile, 2-((1,3-Dihydro-1-hydroxy-2,1-benzoxaborol-5-yl)oxy)benzonitrile.

What is the molecular formula and molecular weight of Crisaborole o-Isomer?

Crisaborole o-Isomer has the molecular formula C14H10BNO3 and a molecular weight of 251.05 g/mol. Its IUPAC name is 2-[(1-hydroxy-3H-2,1-benzoxaborol-5-yl)oxy]benzonitrile.

What is Crisaborole o-Isomer used for?

Crisaborole o-Isomer is supplied as a characterised reference material related to Crisaborole. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Crisaborole o-Isomer can I order?

We supply Crisaborole o-Isomer 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 Crisaborole o-Isomer?

Yes. Every lot of Crisaborole o-Isomer 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 Crisaborole o-Isomer be shipped internationally?

Yes. We export Crisaborole o-Isomer worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.