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Stable Isotope Labelled Standards (Deuterated, 13C, 15N)

Tolfenamic acid-13C6

Reference StandardAvailable on request

Tolfenamic acid-13C6 (CAS 1420043-61-3) supplier Zemixal: C14H12ClNO2, COA and SDS with every lot, worldwide shipping. Packs from 10 mg.

Pack sizes
Tolfenamic acid-13C6 chemical structure
CAS number1420043-61-3
FormulaC14H12ClNO2
Molar mass267.66 g/mol
Physical formSolid
HS code38229090
InChIKeyYEZNLOUZAIOMLT-CDLMHYHCSA-N
IUPAC name6-(3-chloro-2-methylanilino)(1,2,3,4,5,6-13C6)cyclohexa-1,3,5-triene-1-carboxylic acid

About Tolfenamic acid-13C6

Zemixal lists Tolfenamic acid-13C6 for laboratories that identify, quantify or control Tolfenamic acid and its related substances. Key data (Reference Standard): CAS 1420043-61-3, formula C14H12ClNO2 and molar mass 267.66 g/mol. It is handled as a solid.

Use cases we see most often

  • LC-MS/MS internal standard
  • Bioanalytical quantitation
  • Pharmacokinetic studies

Safe handling

Classified under GHS with signal word Danger and hazard statements H301. Read the SDS before first use.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Each lot travels with a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Tolfenamic acid

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

Tolfenamic acid standards

Typical uses

  • LC-MS/MS internal standard
  • Bioanalytical quantitation
  • Pharmacokinetic studies

Applications

Grade guides

Specifications and identifiers

Specifications of Tolfenamic acid-13C6
Product nameTolfenamic acid-13C6
Catalogue numberZX-046620
CAS number1420043-61-3
IUPAC name6-(3-chloro-2-methylanilino)(1,2,3,4,5,6-13C6)cyclohexa-1,3,5-triene-1-carboxylic acid
Molecular formulaC14H12ClNO2
Molar mass267.66 g/mol
Exact mass267.0758
GradeReference Standard
Physical formSolid
XLogP35.2
H-bond donors / acceptors2 / 3
Topological polar surface area49.3 Ų
HS code38229090
InChIKeyYEZNLOUZAIOMLT-CDLMHYHCSA-N
SMILESCC1=C(C=CC=C1Cl)N[13C]2=[13CH][13CH]=[13CH][13CH]=[13C]2C(=O)O
PubChem CID76974678
SynonymsTolfenamic acid-(benzoic ring-13C6), 2-(3-Chloro-2-methylphenylamino)-13C6-benzoic acid, 2-(3-Chloro-2-methylanilino)(~13~C_6_)benzoic acid

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

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity

Signal word Danger

  • H301Toxic if swallowed

Precautionary statements P264, P270, P301 + P316, P321, P330, 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 Tolfenamic acid-13C6
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

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

Questions about Tolfenamic acid-13C6

Which CAS number identifies Tolfenamic acid-13C6?
Tolfenamic acid-13C6 is registered under CAS 1420043-61-3. You may also see it listed as Tolfenamic acid-(benzoic ring-13C6), 2-(3-Chloro-2-methylphenylamino)-13C6-benzoic acid, 2-(3-Chloro-2-methylanilino)(~13~C_6_)benzoic acid. Our catalogue number for this item is ZX-046620.
What are the formula and molar mass of Tolfenamic acid-13C6?
For Tolfenamic acid-13C6, its formula is C14H12ClNO2 and its molar mass is 267.66 g/mol. The systematic (IUPAC) name is 6-(3-chloro-2-methylanilino)(1,2,3,4,5,6-13C6)cyclohexa-1,3,5-triene-1-carboxylic acid. InChIKey YEZNLOUZAIOMLT-CDLMHYHCSA-N lets you match it in any structure database.
How is Tolfenamic acid-13C6 used in pharmaceutical QC?
Tolfenamic acid-13C6 is a characterised reference material linked to Tolfenamic acid. 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 Tolfenamic acid-13C6?
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 Tolfenamic acid-13C6?
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 Tolfenamic acid-13C6 to my country?
Yes. Because Tolfenamic acid-13C6 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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