Tolnaftate Impurity A

Name: Tolnaftate Impurity A
Brand: Vaqora Chemicals
SKU: VQ-006052

About Tolnaftate Impurity A

Vaqora Chemicals supplies Tolnaftate Impurity A, an impurity of Tolnaftate registered under CAS number 135-19-3. With the molecular formula C10H8O, it has a molar mass of 144.17 g/mol. Its systematic (IUPAC) name is naphthalen-2-ol. Alternative names: 2-Naphthol and 2-Naphthalenol.

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.

Pharmaceutical QC and development laboratories use this impurity standard of Tolnaftate to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Buyers come mainly from 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. This item is currently in stock for prompt dispatch.

Typical applications

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

Industries

Related to Tolnaftate

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

Tolnaftate impurities

Specifications & identifiers

Chemical identifiers
Product name	Tolnaftate Impurity A
Catalogue No.	VQ-006052
CAS Number	135-19-3
IUPAC name	naphthalen-2-ol
Molecular formula	C₁₀H₈O
Molecular weight	144.17 g/mol
Exact mass	144.0575
Grade	Reference Standard
HSN code	38229090
InChIKey	JWAZRIHNYRIHIV-UHFFFAOYSA-N
SMILES	C1=CC=C2C=C(C=CC2=C1)O
PubChem CID	8663

Physical properties
Physical form	Solid
LogP (XLogP3)	2.7
H-bond donors / acceptors	1 / 1
TPSA	20.2 Å²
Synonyms	2-Naphthol, 2-Naphthalenol, 2-Hydroxynaphthalene, Betanaphthol, Isonaphthol, beta-Hydroxynaphthalene, beta-naphthol, Developer A, Developer BN, Naphthol B, 2-Naphtol, Azogen developer A

Safety & hazard information (GHS)

Harmful / irritant

Environmental hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H332Harmful if inhaled
H400Very toxic to aquatic life

Precautionary statements: P261, P264, P270, P271, P273, P301 + P317, P304 + P340, P317, P330, 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

Other grades of CAS 135-19-3

Synthesis

2-Naphthol, 99%

CAS: 135-19-3
Formula: C₁₀H₈O
MW: 144.17 g/mol

VQ-010149

AR

2-Naphthol, GR 99%+

CAS: 135-19-3
Formula: C₁₀H₈O
MW: 144.17 g/mol

VQ-010150

Frequently asked questions

What is the CAS number of Tolnaftate Impurity A?

The CAS Registry Number of Tolnaftate Impurity A is 135-19-3. It is also known as 2-Naphthol, 2-Naphthalenol, 2-Hydroxynaphthalene.

What is the molecular formula and molecular weight of Tolnaftate Impurity A?

Tolnaftate Impurity A has the molecular formula C10H8O and a molecular weight of 144.17 g/mol. Its IUPAC name is naphthalen-2-ol.

What is Tolnaftate Impurity A used for?

Tolnaftate Impurity A is supplied as a characterised reference material related to Tolnaftate. 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 Tolnaftate Impurity A can I order?

We supply Tolnaftate Impurity A in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Tolnaftate Impurity A?

Yes. Every lot of Tolnaftate Impurity A 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 Tolnaftate Impurity A be shipped internationally?

Yes. Tolnaftate Impurity A 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.