O,O'-Butane-1,4-diyl bis(4-hydroxybutyl) diterephthalate
- CAS
- 29278-67-9
- Formula
- C28H34O10
- MW
- 530.6 g/mol
ZX-027182
Metabolites & Degradation Products
Polybutylene terephthalate Impurity 2
Reference StandardAvailable on request
Buy Polybutylene terephthalate Impurity 2 (CAS 210566-88-4) from Zemixal. Request a quote with price, lead time and documents.
CAS number210566-88-4
FormulaC36H38O13
Molar mass678.7 g/mol
Physical formSolid
HS code38229090
InChIKeyAIWZIHMYQSGKIY-UHFFFAOYSA-N
IUPAC name4-[4-[4-[4-[4-(4-hydroxybutoxycarbonyl)benzoyl]oxybutoxycarbonyl]benzoyl]oxybutoxycarbonyl]benzoic acid
About Polybutylene terephthalate Impurity 2
Zemixal lists Polybutylene terephthalate Impurity 2 for laboratories that identify, quantify or control Terephthalic acid and its related substances. For your records (Reference Standard), the material is defined by CAS 210566-88-4, formula C36H38O13 and molar mass 678.7 g/mol. It is handled as a solid.
Use cases we see most often
- Metabolite identification
- Stability-indicating methods
- Impurity profiling
Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. 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 Terephthalic acid
See every impurity, metabolite and related compound we list for this API.
Terephthalic acid standardsTypical uses
- Metabolite identification
- Stability-indicating methods
- Impurity profiling
Applications
Specifications and identifiers
| Product name | Polybutylene terephthalate Impurity 2 |
|---|---|
| Catalogue number | ZX-027183 |
| CAS number | 210566-88-4 |
| IUPAC name | 4-[4-[4-[4-[4-(4-hydroxybutoxycarbonyl)benzoyl]oxybutoxycarbonyl]benzoyl]oxybutoxycarbonyl]benzoic acid |
| Molecular formula | C36H38O13 |
| Molar mass | 678.7 g/mol |
| Exact mass | 678.2312 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | 5.6 |
| H-bond donors / acceptors | 2 / 13 |
| Topological polar surface area | 189 Ų |
| HS code | 38229090 |
| InChIKey | AIWZIHMYQSGKIY-UHFFFAOYSA-N |
| SMILES | C1=CC(=CC=C1C(=O)O)C(=O)OCCCCOC(=O)C2=CC=C(C=C2)C(=O)OCCCCOC(=O)C3=CC=C(C=C3)C(=O)OCCCCO |
| PubChem CID | 171370731 |
| Synonyms | Linear PBT Trimer, Cyclic PBT Trimer, PBT Impurity 58, Beclometasone Dipropionate Impurity 46 |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.
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 Polybutylene terephthalate Impurity 2
Which CAS number identifies Polybutylene terephthalate Impurity 2?
Polybutylene terephthalate Impurity 2 is registered under CAS 210566-88-4. You may also see it listed as Linear PBT Trimer, Cyclic PBT Trimer, PBT Impurity 58. Our catalogue number for this item is ZX-027183.
What are the formula and molar mass of Polybutylene terephthalate Impurity 2?
For Polybutylene terephthalate Impurity 2, its formula is C36H38O13 and its molar mass is 678.7 g/mol. The systematic (IUPAC) name is 4-[4-[4-[4-[4-(4-hydroxybutoxycarbonyl)benzoyl]oxybutoxycarbonyl]benzoyl]oxybutoxycarbonyl]benzoic acid. InChIKey AIWZIHMYQSGKIY-UHFFFAOYSA-N lets you match it in any structure database.
How is Polybutylene terephthalate Impurity 2 used in pharmaceutical QC?
Polybutylene terephthalate Impurity 2 is a characterised reference material linked to Terephthalic 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 Polybutylene terephthalate Impurity 2?
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 Polybutylene terephthalate Impurity 2?
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 Polybutylene terephthalate Impurity 2 to my country?
Yes. Polybutylene terephthalate Impurity 2 ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.
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