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

2,3,7,8-Tetrachloro-p-dioxin-13C12

Reference StandardAvailable on request

Order 2,3,7,8-Tetrachloro-p-dioxin-13C12 (CAS 76523-40-5) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes
2,3,7,8-Tetrachloro-p-dioxin-13C12 chemical structure
CAS number76523-40-5
FormulaC12H4Cl4O2
Molar mass333.9 g/mol
Physical formSolid
HS code38229090
InChIKeyHGUFODBRKLSHSI-WCGVKTIYSA-N
IUPAC name2,3,7,8-tetrachlorodibenzo-p-dioxin

About 2,3,7,8-Tetrachloro-p-dioxin-13C12

Zemixal lists 2,3,7,8-Tetrachloro-p-dioxin-13C12 for laboratories that identify, quantify or control Benzocaine and its related substances. Key data (Reference Standard): CAS 76523-40-5, formula C12H4Cl4O2 and molar mass 333.9 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 Warning and hazard statements H302, H400 and H410. 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. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Benzocaine

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

Benzocaine standards

Typical uses

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

Applications

Grade guides

Specifications and identifiers

Specifications of 2,3,7,8-Tetrachloro-p-dioxin-13C12
Product name2,3,7,8-Tetrachloro-p-dioxin-13C12
Catalogue numberZX-032915
CAS number76523-40-5
IUPAC name2,3,7,8-tetrachlorodibenzo-p-dioxin
Molecular formulaC12H4Cl4O2
Molar mass333.9 g/mol
Exact mass333.9338
GradeReference Standard
Physical formSolid
XLogP36.4
H-bond donors / acceptors0 / 2
Topological polar surface area18.5 Ų
HS code38229090
InChIKeyHGUFODBRKLSHSI-WCGVKTIYSA-N
SMILES[13CH]1=[13C]2[13C](=[13CH][13C](=[13C]1Cl)Cl)O[13C]3=[13CH][13C](=[13C]([13CH]=[13C]3O2)Cl)Cl
PubChem CID156712
Synonyms2,3,7,8-Tetrachlorodibenzo(b,e)(1,4)dioxin-13C12, Dibenzo(b,e)(1,4)dioxin-13C12, 2,3,7,8-tetrachloro-, C-132,3,7,8-TCDD, 2,3,7,8-Tetrachlorodibenzo-p-dioxin-C13, 2,3,7,8-Tetrachloro(~13~C_12_)oxanthrene, 2,3,7,8-Tetrachloro[13C12]dibenzo-p-dioxin

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
  • H400Very toxic to aquatic life
  • H410Very toxic to aquatic life with long lasting effects

Precautionary statements P264, P270, P273, P301 + 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 2,3,7,8-Tetrachloro-p-dioxin-13C12
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 2,3,7,8-Tetrachloro-p-dioxin-13C12

Which CAS number identifies 2,3,7,8-Tetrachloro-p-dioxin-13C12?
2,3,7,8-Tetrachloro-p-dioxin-13C12 is registered under CAS 76523-40-5. You may also see it listed as 2,3,7,8-Tetrachlorodibenzo(b,e)(1,4)dioxin-13C12, Dibenzo(b,e)(1,4)dioxin-13C12, 2,3,7,8-tetrachloro-, C-132,3,7,8-TCDD. Our catalogue number for this item is ZX-032915.
What are the formula and molar mass of 2,3,7,8-Tetrachloro-p-dioxin-13C12?
For 2,3,7,8-Tetrachloro-p-dioxin-13C12, its formula is C12H4Cl4O2 and its molar mass is 333.9 g/mol. The systematic (IUPAC) name is 2,3,7,8-tetrachlorodibenzo-p-dioxin. InChIKey HGUFODBRKLSHSI-WCGVKTIYSA-N lets you match it in any structure database.
How is 2,3,7,8-Tetrachloro-p-dioxin-13C12 used in pharmaceutical QC?
2,3,7,8-Tetrachloro-p-dioxin-13C12 is a characterised reference material linked to Benzocaine. 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 2,3,7,8-Tetrachloro-p-dioxin-13C12?
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 2,3,7,8-Tetrachloro-p-dioxin-13C12?
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 2,3,7,8-Tetrachloro-p-dioxin-13C12 to my country?
Yes. Because 2,3,7,8-Tetrachloro-p-dioxin-13C12 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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