4-(4-Bromo-3-formylphenoxy)benzonitrile

Name: 4-(4-Bromo-3-formylphenoxy)benzonitrile
Brand: Vaqora Chemicals
SKU: VQ-029937

About 4-(4-Bromo-3-formylphenoxy)benzonitrile

Vaqora Chemicals supplies 4-(4-Bromo-3-formylphenoxy)benzonitrile, an impurity of Crisaborole registered under CAS number 906673-54-9. Formula C14H8BrNO2, molecular weight 302.12 g/mol. Alternative names: Benzonitrile, 4-(4-bromo-3-formylphenoxy)- and Crisaborole-004.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

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. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 4-(4-Bromo-3-formylphenoxy)benzonitrile in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports 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	4-(4-Bromo-3-formylphenoxy)benzonitrile
Catalogue No.	VQ-029937
CAS Number	906673-54-9
IUPAC name	4-(4-bromo-3-formylphenoxy)benzonitrile
Molecular formula	C₁₄H₈BrNO₂
Molecular weight	302.12 g/mol
Exact mass	300.9738
Grade	Reference Standard
HSN code	38229090
InChIKey	IEHZPKWXBVTRRG-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1C#N)OC2=CC(=C(C=C2)Br)C=O
PubChem CID	118988938

Physical properties
Physical form	Solid
LogP (XLogP3)	3.3
H-bond donors / acceptors	0 / 3
TPSA	50.1 Å²
Synonyms	Benzonitrile, 4-(4-bromo-3-formylphenoxy)-, Crisaborole-004, Crisaborole Intermediate 2, Benzonitrile, 4-(4-bromo-3-formylphenoxy), Benzonitrile, 4-a(4-abromo-a3-aformylphenoxy)a-, 4-(4-Bromo-3-formyl-phenoxChemicalbooky)-benzonitrile

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 4-(4-Bromo-3-formylphenoxy)benzonitrile?

The CAS Registry Number of 4-(4-Bromo-3-formylphenoxy)benzonitrile is 906673-54-9. It is also known as Benzonitrile, 4-(4-bromo-3-formylphenoxy)-, Crisaborole-004, Crisaborole Intermediate 2.

What is the molecular formula and molecular weight of 4-(4-Bromo-3-formylphenoxy)benzonitrile?

4-(4-Bromo-3-formylphenoxy)benzonitrile has the molecular formula C14H8BrNO2 and a molecular weight of 302.12 g/mol. Its IUPAC name is 4-(4-bromo-3-formylphenoxy)benzonitrile.

What is 4-(4-Bromo-3-formylphenoxy)benzonitrile used for?

4-(4-Bromo-3-formylphenoxy)benzonitrile 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 4-(4-Bromo-3-formylphenoxy)benzonitrile can I order?

We supply 4-(4-Bromo-3-formylphenoxy)benzonitrile 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 4-(4-Bromo-3-formylphenoxy)benzonitrile?

Yes. Every lot of 4-(4-Bromo-3-formylphenoxy)benzonitrile 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 4-(4-Bromo-3-formylphenoxy)benzonitrile be shipped internationally?

Yes. 4-(4-Bromo-3-formylphenoxy)benzonitrile 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.