4,4'-Difluorobiphenyl

Name: 4,4'-Difluorobiphenyl
Brand: Zemixal
SKU: ZX-033052

Reference StandardAvailable on request

Buy 4,4'-Difluorobiphenyl (CAS 398-23-2) from Zemixal: C12H8F2, COA and SDS with every lot, worldwide shipping. Packs from 10 mg.

Pack sizes

4,4'-Difluorobiphenyl chemical structure

CAS number398-23-2

FormulaC₁₂H₈F₂

Molar mass190.19 g/mol

Physical formSolid

HS code38229090

InChIKeyPZDAAZQDQJGXSW-UHFFFAOYSA-N

IUPAC name1-fluoro-4-(4-fluorophenyl)benzene

About 4,4'-Difluorobiphenyl

Analytical teams working on Aprepitant use 4,4'-Difluorobiphenyl as a qualified comparison standard. Key data (Reference Standard): CAS 398-23-2, formula C12H8F2 and molar mass 190.19 g/mol. It is handled as a solid.

Where it is used

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

Storage and safety notes

Classified under GHS with signal word Warning and hazard statements H315, H319 and H335. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Aprepitant

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

Aprepitant standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of 4,4'-Difluorobiphenyl
Product name	4,4'-Difluorobiphenyl
Catalogue number	ZX-033052
CAS number	398-23-2
IUPAC name	1-fluoro-4-(4-fluorophenyl)benzene
Molecular formula	C₁₂H₈F₂
Molar mass	190.19 g/mol
Exact mass	190.0594
Grade	Reference Standard
Physical form	Solid
XLogP3	4.5
H-bond donors / acceptors	0 / 2
Topological polar surface area	0 Å²
HS code	38229090
InChIKey	PZDAAZQDQJGXSW-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1C2=CC=C(C=C2)F)F
PubChem CID	9811
Synonyms	4,4'-Difluoro-1,1'-biphenyl, 4,4'-Difluorodiphenyl, 1,1'-Biphenyl, 4,4'-difluoro-, 4,4-Difluoro-1,1-biphenyl, Biphenyl, 4,4'-difluoro-, 4,4'-Difluoro-1,1'-biphenyl #, 4-fluoro-1-(4-fluorophenyl)benzene, 1,1'-Biphenyl,4,4'-difluoro-, Biphenyl,4'-difluoro-

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

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, 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 4,4'-Difluorobiphenyl
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 4,4'-Difluorobiphenyl

Which CAS number identifies 4,4'-Difluorobiphenyl?

4,4'-Difluorobiphenyl is registered under CAS 398-23-2. You may also see it listed as 4,4'-Difluoro-1,1'-biphenyl, 4,4'-Difluorodiphenyl, 1,1'-Biphenyl, 4,4'-difluoro-. Our catalogue number for this item is ZX-033052.

What are the formula and molar mass of 4,4'-Difluorobiphenyl?

For 4,4'-Difluorobiphenyl, its formula is C12H8F2 and its molar mass is 190.19 g/mol. The systematic (IUPAC) name is 1-fluoro-4-(4-fluorophenyl)benzene. InChIKey PZDAAZQDQJGXSW-UHFFFAOYSA-N lets you match it in any structure database.

How is 4,4'-Difluorobiphenyl used in pharmaceutical QC?

4,4'-Difluorobiphenyl is a characterised reference material linked to Aprepitant. 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 4,4'-Difluorobiphenyl?

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 4,4'-Difluorobiphenyl?

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 4,4'-Difluorobiphenyl to my country?

Yes. Because 4,4'-Difluorobiphenyl 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.

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