4,4'-Dimethylbiphenyl

Name: 4,4'-Dimethylbiphenyl
Brand: Vaqora Chemicals
SKU: VQ-039010

About 4,4'-Dimethylbiphenyl

4,4'-Dimethylbiphenyl is an impurity of Allopurinol carrying the CAS registry number 613-33-2. Its molecular formula is C14H14 and its molecular weight is 182.26 g/mol. Its systematic (IUPAC) name is 1-methyl-4-(4-methylphenyl)benzene. Common synonyms include P,p`-bitoluene and Di-p-tolyl.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This Allopurinol 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, 4,4'-Dimethylbiphenyl 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

Related to Allopurinol

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

Allopurinol impurities

Specifications & identifiers

Chemical identifiers
Product name	4,4'-Dimethylbiphenyl
Catalogue No.	VQ-039010
CAS Number	613-33-2
IUPAC name	1-methyl-4-(4-methylphenyl)benzene
Molecular formula	C₁₄H₁₄
Molecular weight	182.26 g/mol
Exact mass	182.1096
Grade	Reference Standard
HSN code	38229090
InChIKey	RZTDESRVPFKCBH-UHFFFAOYSA-N
SMILES	CC1=CC=C(C=C1)C2=CC=C(C=C2)C
PubChem CID	11941

Physical properties
Physical form	Solid
LogP (XLogP3)	5.1
H-bond donors / acceptors	0 / 0
TPSA	0 Å²
Synonyms	P,p`-bitoluene, Di-p-tolyl, 4,4'-Dimethyldiphenyl, 4,4'-Dimethyl-1,1'-biphenyl, 4,4'-Bitolyl, Bi-p-tolyl, p,p'-Bitolyl, 1,1'-Biphenyl, 4,4'-dimethyl-, 4,4'-Ditolyl, p,p'-Bitoluene

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'-Dimethylbiphenyl?

The CAS Registry Number of 4,4'-Dimethylbiphenyl is 613-33-2. It is also known as P,p`-bitoluene, Di-p-tolyl, 4,4'-Dimethyldiphenyl.

What is the molecular formula and molecular weight of 4,4'-Dimethylbiphenyl?

4,4'-Dimethylbiphenyl has the molecular formula C14H14 and a molecular weight of 182.26 g/mol. Its IUPAC name is 1-methyl-4-(4-methylphenyl)benzene.

What is 4,4'-Dimethylbiphenyl used for?

4,4'-Dimethylbiphenyl is supplied as a characterised reference material related to Allopurinol. 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'-Dimethylbiphenyl can I order?

We supply 4,4'-Dimethylbiphenyl 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'-Dimethylbiphenyl?

Yes. Every lot of 4,4'-Dimethylbiphenyl 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'-Dimethylbiphenyl be shipped internationally?

Yes. We export 4,4'-Dimethylbiphenyl worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.