ChemicalBook > Product Catalog >Analytical Chemistry >Standard >Pharmaceutical Impurity Reference Standards >1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid bis(1-methylethyl) ester
1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid bis(1-methylethyl) ester

- CAS No.
- 21881-78-7
- Chemical Name:
- 1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid bis(1-methylethyl) ester
- Synonyms
- Nimodipine EP Imp B;Nimodipine Impurity 2;Nilvadipine Impurity D;Nilvadipine Impurity 4;Nitrendipine Impurity 8;Nimodipine EP Impurity B;Nitrendipine Impurity1224;Nimodipine Impurity B Control;Bis(1-methylethyl) 2,6-Dimethyl-4-(;Nimodipine EP Impurity B(Nitrendipine Impurity1224)
- CBNumber:
- CB82717263
- Molecular Formula:
- C21H26N2O6
- Molecular Weight:
- 402.44
- MOL File:
- 21881-78-7.mol
- Modify Date:
- 2025/1/27 9:38:02
1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid bis(1-methylethyl) ester Properties
Melting point | 123-125℃ (ethanol ) |
---|---|
Boiling point | 512.1±50.0 °C(Predicted) |
Density | 1.186±0.06 g/cm3(Predicted) |
storage temp. | Hygroscopic, -20°C Freezer, Under inert atmosphere |
solubility | Chloroform (Slightly), Methanol (Slightly) |
form | Solid |
pka | 2.94±0.70(Predicted) |
color | Pale Beige |
Stability | Hygroscopic |
1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid bis(1-methylethyl) ester Chemical Properties,Uses,Production
Uses
3-Des(2-methoxyethyl) 3-(1-Methylethyl) Ester Nimodipine (Nimodipine EP Impurity B) can be used in synthetic preparation of dihydropyridinedicarboxylic acid esters by methylimidazolium trifluoroacetate-catalyzed Hantzsch cyclocondensation reaction of oxo-carboxylic acid esters with aldehydes and ammonium acetate. It can also be used as an analyte for analytical study in developing and optimizing a validated isocratic reversed-phase high-performance liquid chromatograhy separation of nimodipine and impurities in tablets using experimental. design methodology. It is an impurity of the drug Nimodipine (N478200).
1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid bis(1-methylethyl) ester Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 70)Suppliers
Supplier | Tel | Country | ProdList | Advantage | Inquiry |
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CLEARSYNTH LABS LTD. | +91-22-45045900 | Hyderabad, India | 6257 | 58 | Inquiry |
SynZeal Research Pvt Ltd | +1 226-802-2078 | Gujarat, India | 6514 | 58 | Inquiry |
Pharmaffiliates Analytics and Synthetics P. Ltd | +91-172-5066494 | Haryana, India | 6739 | 58 | Inquiry |
Career Henan Chemica Co | +86-0371-86658258 +8613203830695 | China | 30231 | 58 | Inquiry |
CR Corporation Limited | +8613062833949 | China | 8647 | 58 | Inquiry |
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China National Standard Pharmaceutical Corporation Limited | +8615391658522 | China | 11922 | 58 | Inquiry |
ShenZhen H&D Pharmaceutical Technology Co., LTD | +8618627948422 | China | 3619 | 58 | Inquiry |
Guangzhou CATO Research Chemicals Inc. | +86-020-81960175-617 +8615602392859 | China | 6335 | 58 | Inquiry |
QUALITY CONTROL SOLUTIONS LTD. | 0755-66853366; 13670046396 | China | 24342 | 58 | Inquiry |
21881-78-7(1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid bis(1-methylethyl) ester)Related Search:
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Nimodipine Impurity 15
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Nimodipine
Nimodipine Impurity 4
NIMODIPINE RELATED COMPOUND A (50 MG) (2-METHOXYETHYL 1-METHYLETHYL 2,6-DIMETHYL-4-(3-NITROPHENYL)PYRIDINE-3,5-DICARBOXYLATE)
NIMODIPINE RELATED COMPOUND B (50 MG) (BIS(2-METHOXYETHYL) 2,6-DIMETHYL-4-(3-NITROPHE-NYL)-1,4-DIHYDROPYRIDINE-3,5-DICARBOXYLATE) (AS)
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1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid bis(1-methylethyl) ester
Nimodipine EP Impurity B
(RS)-Di-iso-propyl-1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylate
Bis(1-methylethyl) 2,6-Dimethyl-4-(
Nimodipine Impurity B Control
3,5-diisopropyl 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylate
Nimodipine EP Imp B
Nimodipine Impurity 2
3-Des(2-methoxyethyl) 3-(1-Methylethyl) Ester Nimodipine
Bis(1-methylethyl) 2,6-Dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
Nitrendipine Impurity1224
diisopropyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
Nitrendipine Impurity 8
3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-, 3,5-bis(1-methylethyl) ester
Nilvadipine Impurity D
Diisopropyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate (Nimodipine Impurity)
Nimodipine EP Impurity B(Nitrendipine Impurity1224)
Nilvadipine Impurity 4
21881-78-7