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API Impurities

Tolnaftate Impurity A

Reference StandardIn stock

Buy Tolnaftate Impurity A (CAS 135-19-3) from Zemixal: C10H8O, COA and SDS with every lot, worldwide shipping. Ships from India to 120+ countries.

Pack sizes
Tolnaftate Impurity A chemical structure
CAS number135-19-3
FormulaC10H8O
Molar mass144.17 g/mol
Physical formSolid
HS code38229090
InChIKeyJWAZRIHNYRIHIV-UHFFFAOYSA-N
IUPAC namenaphthalen-2-ol

About Tolnaftate Impurity A

Zemixal lists Tolnaftate Impurity A for laboratories that identify, quantify or control Tolnaftate and its related substances. For your records (Reference Standard), the material is defined by CAS 135-19-3, formula C10H8O and molar mass 144.17 g/mol. It is handled as a solid.

Where it is used

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

Handling and storage

It carries the GHS signal word Warning (H302, H332 and H400), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg, 100 mg and 250 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Tolnaftate

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

Tolnaftate standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of Tolnaftate Impurity A
Product nameTolnaftate Impurity A
Catalogue numberZX-005452
CAS number135-19-3
IUPAC namenaphthalen-2-ol
Molecular formulaC10H8O
Molar mass144.17 g/mol
Exact mass144.0575
GradeReference Standard
Physical formSolid
XLogP32.7
H-bond donors / acceptors1 / 1
Topological polar surface area20.2 Ų
HS code38229090
InChIKeyJWAZRIHNYRIHIV-UHFFFAOYSA-N
SMILESC1=CC=C2C=C(C=CC2=C1)O
PubChem CID8663
Synonyms2-Naphthol, 2-Naphthalenol, 2-Hydroxynaphthalene, Betanaphthol, Isonaphthol, beta-Hydroxynaphthalene, beta-naphthol, Developer A, Developer BN, Naphthol B, 2-Naphtol, Azogen developer A

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Warning

  • 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 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 Tolnaftate Impurity A
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 mgQuoted on request
500 mgQuoted on request
1 gQuoted on request

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

Questions about Tolnaftate Impurity A

Which CAS number identifies Tolnaftate Impurity A?
Tolnaftate Impurity A is registered under CAS 135-19-3. You may also see it listed as 2-Naphthol, 2-Naphthalenol, 2-Hydroxynaphthalene. Our catalogue number for this item is ZX-005452.
What are the formula and molar mass of Tolnaftate Impurity A?
For Tolnaftate Impurity A, its formula is C10H8O and its molar mass is 144.17 g/mol. The systematic (IUPAC) name is naphthalen-2-ol. InChIKey JWAZRIHNYRIHIV-UHFFFAOYSA-N lets you match it in any structure database.
How is Tolnaftate Impurity A used in pharmaceutical QC?
Tolnaftate Impurity A is a characterised reference material linked to Tolnaftate. 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 Tolnaftate Impurity A?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Tolnaftate Impurity A?
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 Tolnaftate Impurity A to my country?
Yes. Because Tolnaftate Impurity A 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.

Other grades with CAS 135-19-3

More Tolnaftate standards

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