4,4'-(Carbonyldiimino)bis[benzoic acid] ethyl ester
- CAS
- 78015-36-8
- Formula
- C19H20N2O5
- MW
- 356.4 g/mol
ZX-028230
API Impurities
2,3,7,8-Tetrachlorodibenzofuran
Reference StandardAvailable on request
Order 2,3,7,8-Tetrachlorodibenzofuran (CAS 51207-31-9) online at Zemixal: C12H4Cl4O, COA and SDS with every lot, worldwide shipping.
CAS number51207-31-9
FormulaC12H4Cl4O
Molar mass306 g/mol
Physical formSolid
HS code38229090
InChIKeyKSMVNVHUTQZITP-UHFFFAOYSA-N
IUPAC name2,3,7,8-tetrachlorodibenzofuran
About 2,3,7,8-Tetrachlorodibenzofuran
Zemixal lists 2,3,7,8-Tetrachlorodibenzofuran for laboratories that identify, quantify or control Benzocaine and its related substances. Identity at a glance (Reference Standard): CAS 51207-31-9, formula C12H4Cl4O and molar mass 306 g/mol. It is handled as a solid.
Typical applications
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Safe handling
Hazard communication follows GHS (Danger: H300, H310, H330 and H400). Our SDS lists exposure controls and first-aid measures.
Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Every shipment includes 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 Benzocaine
See every impurity, metabolite and related compound we list for this API.
Benzocaine standardsTypical uses
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Applications
Specifications and identifiers
| Product name | 2,3,7,8-Tetrachlorodibenzofuran |
|---|---|
| Catalogue number | ZX-026006 |
| CAS number | 51207-31-9 |
| IUPAC name | 2,3,7,8-tetrachlorodibenzofuran |
| Molecular formula | C12H4Cl4O |
| Molar mass | 306 g/mol |
| Exact mass | 305.8987 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | 6.5 |
| H-bond donors / acceptors | 0 / 1 |
| Topological polar surface area | 13.1 Ų |
| HS code | 38229090 |
| InChIKey | KSMVNVHUTQZITP-UHFFFAOYSA-N |
| SMILES | C1=C2C3=CC(=C(C=C3OC2=CC(=C1Cl)Cl)Cl)Cl |
| PubChem CID | 39929 |
| Synonyms | 2,3,7,8-TCDF, Dibenzofuran, 2,3,7,8-tetrachloro-, PCDF 83, 4,5,11,12-tetrachloro-8-oxatricyclo(7.4.0.02,7)trideca-1(13),2,4,6,9,11-hexaene, 2,3,7,8-Tetrachlorodibenzo[b,d]furan, Tetrachlorodibenzofuran, 2,3,7,8-, 2,3,7,8-TCDF (and congeners), 2,3,7,8-Tetrachlorodibenzo[b,d]furan # |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H300Fatal if swallowed
- H310Fatal in contact with skin
- H330Fatal if inhaled
- H400Very toxic to aquatic life
- H410Very toxic to aquatic life with long lasting effects
Precautionary statements P260, P262, P264, P270, P271, P273, P280, P284, P301 + P316, P302 + P352, P304 + P340, P316, P320, P321, P330, P361 + P364, P391, P403 + P233, 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
| 10 mg | Quoted on request | |
| 25 mg | Quoted on request | |
| 50 mg | Quoted on request | |
| 100 mg | Quoted 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-Tetrachlorodibenzofuran
Which CAS number identifies 2,3,7,8-Tetrachlorodibenzofuran?
2,3,7,8-Tetrachlorodibenzofuran is registered under CAS 51207-31-9. You may also see it listed as 2,3,7,8-TCDF, Dibenzofuran, 2,3,7,8-tetrachloro-, PCDF 83. Our catalogue number for this item is ZX-026006.
What are the formula and molar mass of 2,3,7,8-Tetrachlorodibenzofuran?
For 2,3,7,8-Tetrachlorodibenzofuran, its formula is C12H4Cl4O and its molar mass is 306 g/mol. The systematic (IUPAC) name is 2,3,7,8-tetrachlorodibenzofuran. InChIKey KSMVNVHUTQZITP-UHFFFAOYSA-N lets you match it in any structure database.
How is 2,3,7,8-Tetrachlorodibenzofuran used in pharmaceutical QC?
2,3,7,8-Tetrachlorodibenzofuran 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-Tetrachlorodibenzofuran?
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-Tetrachlorodibenzofuran?
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-Tetrachlorodibenzofuran to my country?
Yes. Because 2,3,7,8-Tetrachlorodibenzofuran 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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