Drometrizole

Name: Drometrizole
Brand: Vaqora Chemicals
SKU: VQ-032832

About Drometrizole

Drometrizole (CAS 2440-22-4) is a high-purity reference standard of Drometrizole offered by Vaqora Chemicals. Its molecular formula is C13H11N3O and its molecular weight is 225.25 g/mol. Systematically, it is named 2-(benzotriazol-2-yl)-4-methylphenol. Common synonyms include 2-(2H-Benzotriazol-2-yl)-4-methylphenol and Drometrizol.

It is supplied 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 reference sample of Drometrizole, it is used for identification, assay and impurity-profiling work during analytical method development, validation (AMV) and routine QC. Our customers for this product work in 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

Identification & assay
Method development & validation
QC reference material

Industries

Related to Drometrizole

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

Drometrizole impurities

Specifications & identifiers

Chemical identifiers
Product name	Drometrizole
Catalogue No.	VQ-032832
CAS Number	2440-22-4
IUPAC name	2-(benzotriazol-2-yl)-4-methylphenol
Molecular formula	C₁₃H₁₁N₃O
Molecular weight	225.25 g/mol
Exact mass	225.0902
Grade	Reference Standard
HSN code	38229090
InChIKey	MCPKSFINULVDNX-UHFFFAOYSA-N
SMILES	CC1=CC(=C(C=C1)O)N2N=C3C=CC=CC3=N2
PubChem CID	17113

Physical properties
Physical form	Solid
LogP (XLogP3)	4.3
H-bond donors / acceptors	1 / 3
TPSA	50.9 Å²
Synonyms	2-(2H-Benzotriazol-2-yl)-4-methylphenol, Drometrizol, 2-(2'-Hydroxy-5'-methylphenyl)benzotriazole, Phenol, 2-(2H-benzotriazol-2-yl)-4-methyl-, Benazol P, 2-(2H-Benzotriazol-2-yl)-p-cresol, Tinuvin P, 2-(2H-benzo[d][1,2,3]triazol-2-yl)-4-methylphenol, 2-(2-Benzotriazolyl)-p-cresol, UV Absorber-1, Tin P, UV-P

Safety & hazard information (GHS)

Harmful / irritant

Environmental hazard

Signal word: Warning

Hazard statements

H317May cause an allergic skin reaction
H410Very toxic to aquatic life with long lasting effects
H413May cause long lasting harmful effects to aquatic life

Precautionary statements: P261, P272, P273, P280, P302 + P352, P321, P333 + P317, P362 + P364, P391, 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 Drometrizole?

The CAS Registry Number of Drometrizole is 2440-22-4. It is also known as 2-(2H-Benzotriazol-2-yl)-4-methylphenol, Drometrizol, 2-(2'-Hydroxy-5'-methylphenyl)benzotriazole.

What is the molecular formula and molecular weight of Drometrizole?

Drometrizole has the molecular formula C13H11N3O and a molecular weight of 225.25 g/mol. Its IUPAC name is 2-(benzotriazol-2-yl)-4-methylphenol.

What is Drometrizole used for?

Drometrizole is supplied as a characterised reference material related to Drometrizole. 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 Drometrizole can I order?

We supply Drometrizole 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 Drometrizole?

Yes. Every lot of Drometrizole 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 Drometrizole be shipped internationally?

Yes. Drometrizole 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.