4-(2-Chlorophenyl)-1,4-dihydro-2-(hydroxymethyl)-6-methyl-3,5-pyridinedicarboxylic Acid 3-Ethyl 5-Methyl Ester
- CAS
- 79781-21-8
- Formula
- C18H20ClNO5
- MW
- 365.8 g/mol
ZX-023260
Pharmacopeial Impurities (EP / USP / BP)
Amlodipine EP Impurity E Maleate
Reference StandardAvailable on request
Amlodipine EP Impurity E Maleate (CAS 400024-12-6) supplier Zemixal. Request a quote with price, lead time and documents.
CAS number400024-12-6
FormulaC25H31ClN2O9
Molar mass539 g/mol
Physical formSolid
HS code38229090
InChIKeyLPENMFLRVVSIFM-BTJKTKAUSA-N
IUPAC name(Z)-but-2-enedioic acid;diethyl 2-(2-aminoethoxymethyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate
About Amlodipine EP Impurity E Maleate
Amlodipine EP Impurity E Maleate belongs to the Amlodipine reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 400024-12-6, formula C25H31ClN2O9 and molar mass 539 g/mol. It is handled as a solid.
Use cases we see most often
- Pharmacopeial method verification
- Impurity profiling
- QC release testing
- ANDA / DMF filings
Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Reference standards for Amlodipine
See every impurity, metabolite and related compound we list for this API.
Amlodipine standardsTypical uses
- Pharmacopeial method verification
- Impurity profiling
- QC release testing
- ANDA / DMF filings
Applications
Grade guides
Specifications and identifiers
| Product name | Amlodipine EP Impurity E Maleate |
|---|---|
| Catalogue number | ZX-023261 |
| CAS number | 400024-12-6 |
| IUPAC name | (Z)-but-2-enedioic acid;diethyl 2-(2-aminoethoxymethyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate |
| Molecular formula | C25H31ClN2O9 |
| Molar mass | 539 g/mol |
| Exact mass | 538.1718 |
| Grade | Reference Standard |
| Physical form | Solid |
| H-bond donors / acceptors | 4 / 11 |
| Topological polar surface area | 174 Ų |
| HS code | 38229090 |
| InChIKey | LPENMFLRVVSIFM-BTJKTKAUSA-N |
| SMILES | CCOC(=O)C1=C(NC(=C(C1C2=CC=CC=C2Cl)C(=O)OCC)COCCN)C.C(=C\C(=O)O)\C(=O)O |
| PubChem CID | 168437058 |
| Synonyms | Amlodipine EP Impurity E (Maleate salt), Amlodipine Besylate EP Impurity E (Maleate), Amlodipine Besilate - Impurity E (Maleate Salt), Amlodipine Diethyl Ester Maleate |
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 Amlodipine EP Impurity E Maleate
Which CAS number identifies Amlodipine EP Impurity E Maleate?
Amlodipine EP Impurity E Maleate is registered under CAS 400024-12-6. You may also see it listed as Amlodipine EP Impurity E (Maleate salt), Amlodipine Besylate EP Impurity E (Maleate), Amlodipine Besilate - Impurity E (Maleate Salt). Our catalogue number for this item is ZX-023261.
What are the formula and molar mass of Amlodipine EP Impurity E Maleate?
For Amlodipine EP Impurity E Maleate, its formula is C25H31ClN2O9 and its molar mass is 539 g/mol. InChIKey LPENMFLRVVSIFM-BTJKTKAUSA-N lets you match it in any structure database.
How is Amlodipine EP Impurity E Maleate used in pharmaceutical QC?
Amlodipine EP Impurity E Maleate is a characterised reference material linked to Amlodipine. 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 Amlodipine EP Impurity E Maleate?
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 Amlodipine EP Impurity E Maleate?
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 Amlodipine EP Impurity E Maleate to my country?
Yes. Amlodipine EP Impurity E Maleate ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.
More Amlodipine standards
More in Pharmacopeial Impurities (EP / USP / BP)
O-Des[2-aminoethyl]-O-carboxymethyl dehydroamlodipine
- CAS
- 113994-45-9
- Formula
- C20H20ClNO7
- MW
- 421.8 g/mol
ZX-023262
3-Ethyl 5-Methyl 2-((2-acetamidoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate
- CAS
- 93848-82-9
- Formula
- C22H27ClN2O6
- MW
- 450.9 g/mol
ZX-023259
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