7-(Diethylamino)-N-(2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethyl)-2-oxo-2H-chromene-3-carboxamide CAS 156571-46-9
| CAS No. | 156571-46-9 |
| Molecular Formula | C20H21N3O5 |
| Molecular Weight | 383.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 7-(Diethylamino)-N-(2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethyl)-2-oxo-2H-chromene-3-carboxamide (C20H21N3O5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 383.40 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
7-(Diethylamino)-N-(2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethyl)-2-oxo-2H-chromene-3-carboxamide (CAS 156571-46-9), molecular formula C20H21N3O5 and molecular weight 383.40 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 7-(Diethylamino)-N-(2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethyl)-2-oxo-2H-chromene-3-carboxamide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C20H21N3O5 |
| Molecular Weight | 383.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Nitrogen Atoms | 3 |
Related Diethylamino Standards
- N-(2-(Diethylamino)ethyl)stearamide (CAS 16889-14-8)
- (1-(4-(Diethylamino)phenyl)isoquinolin-2(1H)-yl)(phenyl)methanone (CAS 32564-84-4)
- 2-({4-[(Diethylamino)sulfonyl]anilino}carbonyl)cyclohexanecarboxylic acid (CAS 543695-31-4)
- Methyl 3-(2-(2-(diethylamino)-2-oxoacetyl)-1H-pyrrol-1-yl)benzo[b]thiophene-2-carboxylate (CAS 477872-69-8)
- 2-(Diethylamino)-N-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethane-1-sulfonamide (CAS 756520-98-6)
- 2-(Diethylamino)-N-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethane-1-sulfonamide (CAS 756520-46-4)
- 4-((4-(Diethylamino)benzylidene)amino)-3-(2-methoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478257-09-9)
- N-(4-((4-(diethylamino)phenyl)(phenyl)methylene)cyclohexa-2,5-dien-1-ylidene)-N-ethylethanaminium (CAS 18198-35-1)
Recommended Standards
- 2-{2-[4-(3-nitrophenyl)piperazin-1-yl]ethyl}-2H,3H,4H-pyrido[3,2-b][1,4]oxazin-3-one (CAS 1263386-35-1)
- [6-Methoxy-2-(4-methoxyphenyl)benzo[b]furan-3-yl](4-cyanophenyl)methanone (CAS 176977-56-3)
- (S)-3-(tert-Butoxycarbonyl)-6-((tert-butoxycarbonyl)amino)-5-oxo-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazole-2-carboxylic acid (CAS 122548-51-0)
- EAI045 (CAS 1942114-09-1)
- 1,1'-(5-((4,6-Diamino-1,3,5-triazin-2-yl)amino)-1,3-phenylene)diethanone (CAS 180741-01-9)
- Methyl 2-(quinolin-4-ylmethylene)hydrazinecarbodithioate (CAS 89806-08-6)
- 2-Amino-6-(difluoromethyl)-4-(trifluoromethyl)nicotinic acid (CAS 1806019-30-6)
- 8-Benzyl-2-oxa-8-aza-spiro[4.5]decan-1-one (CAS 40117-97-3)
- 3-Methylquinoline-4-carboxylic acid (CAS 1873-51-4)
- 6-Bromo-2-chloro-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 1779766-69-6)
- 3-(1H-Indol-2-yl)-N-methyl-1H-pyrazole-4-carboxamide (CAS 827318-48-9)
- Atrasentan Impurity 125 (CAS 1063835-91-5)
- (9H-Fluoren-9-yl)methyl (((1S,2R)-2-hydroxycyclohexyl)methyl)carbamate (CAS 1228077-92-6)
- Des-Phe22-Tirzepatide (CAS CATO-CPTD788951)
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