Crisaborole

Name: Crisaborole
Brand: Zemixal
SKU: ZX-028741

Reference StandardAvailable on request

Order Crisaborole (CAS 906673-24-3) online at Zemixal: C14H10BNO3, COA and SDS with every lot, worldwide shipping. Part of our API Reference Standards range.

Pack sizes

CAS number906673-24-3

FormulaC₁₄H₁₀BNO₃

Molar mass251.05 g/mol

Physical formSolid

HS code38229090

InChIKeyUSZAGAREISWJDP-UHFFFAOYSA-N

IUPAC name4-[(1-hydroxy-3H-2,1-benzoxaborol-5-yl)oxy]benzonitrile

About Crisaborole

Crisaborole belongs to the Crisaborole reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 906673-24-3, formula C14H10BNO3 and molar mass 251.05 g/mol. It is handled as a solid.

Use cases we see most often

Identification & assay
Method development & validation
QC reference material

Safe handling

It carries the GHS signal word Warning (H302, H315 and H319), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Crisaborole

See every impurity, metabolite and related compound we list for this API.

Crisaborole standards

Typical uses

Identification & assay
Method development & validation
QC reference material

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Crisaborole
Product name	Crisaborole
Catalogue number	ZX-028741
CAS number	906673-24-3
IUPAC name	4-[(1-hydroxy-3H-2,1-benzoxaborol-5-yl)oxy]benzonitrile
Molecular formula	C₁₄H₁₀BNO₃
Molar mass	251.05 g/mol
Exact mass	251.0754
Grade	Reference Standard
Physical form	Solid
H-bond donors / acceptors	1 / 4
Topological polar surface area	62.5 Å²
HS code	38229090
InChIKey	USZAGAREISWJDP-UHFFFAOYSA-N
SMILES	B1(C2=C(CO1)C=C(C=C2)OC3=CC=C(C=C3)C#N)O
PubChem CID	44591583
Synonyms	crisaborol, 4-[(1-hydroxy-1,3-dihydro-2,1-benzoxaborol-5-yl)oxy]benzonitrile, 4-((1-Hydroxy-1,3-dihydrobenzo(c)(1,2)oxaborol-6-yl)oxy)benzonitrile, Benzonitrile, 4-((1,3-dihydro-1-hydroxy-2,1-benzoxaborol-5-yl)oxy)-, 4-((1-hydroxy-3H-2,1-benzoxaborol-5-yl)oxy)benzonitrile, 4-((1-hydroxy-1,3-dihydro-2,1-benzoxaborol-5-yl)oxy)benzonitrile, 4-((1-Hydroxy-1,3-dihydrobenzo[c][1,2]oxaborol-5-yl)oxy)benzonitrile, 5-(4-cyanophenoxy)-2,3-dihydro-1-hydroxy-2,1-benzoxaborole, Crisaborole (AN2728), 4-[(1,3-dihydro-1-hydroxy-2,1-benzoxaborol-5-yl)oxy]benzonitrile, 4-(1-hydroxy-1,3-dihydrobenzo[c][1,2]oxaborol-5-yloxy)benzonitrile, 4-[(1-Hydroxy-1,3-dihydrobenzo[c][1,2]oxaborol-5-yl)oxy]benzonitrile

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Irritant or harmful

Signal word Warning

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation

Precautionary statements P264, P264 + P265, P270, P280, P301 + P317, P302 + P352, P305 + P351 + P338, P321, P330, P332 + P317, P337 + P317, P362 + P364, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Crisaborole
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Crisaborole

Which CAS number identifies Crisaborole?

Crisaborole is registered under CAS 906673-24-3. You may also see it listed as crisaborol, 4-[(1-hydroxy-1,3-dihydro-2,1-benzoxaborol-5-yl)oxy]benzonitrile, 4-((1-Hydroxy-1,3-dihydrobenzo(c)(1,2)oxaborol-6-yl)oxy)benzonitrile. Our catalogue number for this item is ZX-028741.

What are the formula and molar mass of Crisaborole?

For Crisaborole, its formula is C14H10BNO3 and its molar mass is 251.05 g/mol. The systematic (IUPAC) name is 4-[(1-hydroxy-3H-2,1-benzoxaborol-5-yl)oxy]benzonitrile. InChIKey USZAGAREISWJDP-UHFFFAOYSA-N lets you match it in any structure database.

How is Crisaborole used in pharmaceutical QC?

Crisaborole is a characterised reference material linked to Crisaborole. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Crisaborole?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Crisaborole?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship Crisaborole to my country?

Yes. Because Crisaborole is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

More Crisaborole standards

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