2-(2,4-Diethoxyphenyl)quinoline-4-carbohydrazide CAS 906789-68-2
| CAS No. | 906789-68-2 |
| Molecular Formula | C20H21N3O3 |
| Molecular Weight | 351.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-(2,4-Diethoxyphenyl)quinoline-4-carbohydrazide.
2-(2,4-Diethoxyphenyl)quinoline-4-carbohydrazide (CAS 906789-68-2), molecular formula C20H21N3O3 and molecular weight 351.40 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H21N3O3, 2-(2,4-Diethoxyphenyl)quinoline-4-carbohydrazide contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 351.40 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C20H21N3O3 |
| Molecular Weight | 351.40 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.) | 1987 |
| Nitrogen Atoms | 3 |
Related Diethoxyphenyl Standards
- 6-(2-(3,4-Diethoxyphenyl)thiazol-4-yl)picolinonitrile (CAS 155468-31-8)
- 3-(3,4-Diethoxyphenyl)-4H,5H-[1,2,3]triazolo[1,5-a]quinazolin-5-one (CAS 1255785-78-4)
- 6-(2-(3,4-Diethoxyphenyl)thiazol-4-yl)picolinaldehyde (CAS 155467-90-6)
- (3,4-Diethoxyphenyl)(5-(2-fluorophenyl)-1H-1,2,4-triazol-3-yl)methanamine (CAS 1708159-43-6)
- (6-(2-(3,4-Diethoxyphenyl)thiazol-4-yl)pyridin-2-yl)methanol (CAS 145739-75-9)
- 6-(3,4-Diethoxyphenyl)-3,5-dimethylimidazo[2,1-b]thiazole-2-carboxylic acid (CAS 1437435-97-6)
- Methyl 2-(3,4-diethoxyphenyl)-1H-benzo[d]imidazole-6-carboxylate (CAS 1416342-74-9)
- 7-(3,4-Diethoxyphenyl)-2-(methylsulfanyl)-3H,4H-thieno[3,2-d]pyrimidin-4-one (CAS 1291486-87-7)
Recommended Standards
- 2-(1-((3,4-Dimethoxyphenethyl)amino)ethylidene)-1H-indene-1,3(2H)-dione (CAS 355430-61-4)
- 2-(3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)cyclobutyl)acetic acid (CAS 2137718-93-3)
- 2-(1-(((9H-fluoren-9-yl)methoxy)carbonyl)pyrrolidin-3-yl)acetic acid (CAS 868523-86-8)
- 2-(3,4-Dimethoxyphenyl)-6-(pyrrolidin-1-yl)-3,4-dihydroquinazolin-4-one (CAS 299897-95-3)
- 4-Piperazin-1-ylisoquinoline dihydrochloride (CAS 908292-89-7)
- 2-(5-amino-3,4-dimethyl-1H-pyrazol-1-yl)ethan-1-ol (CAS 89896-32-2)
- Benzo[a]pyrene-9,10-dione (CAS 82120-25-0)
- 1-(4-Aminophenyl)-2-(4-methylpiperazin-1-yl)ethan-1-ol (CAS 919021-28-6)
- 1,3,5-Trimethyl-α-oxo-1H-pyrazole-4-acetamide (CAS 956438-59-8)
- Ethyl 4-ethoxypicolinate (CAS 71777-70-3)
- 4-((3-(2,4-Dimethylphenyl)-1,2,4-oxadiazol-5-yl)methoxy)benzaldehyde (CAS 1707609-24-2)
- (1α,3R,4α,5R)-3,5-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1-hydroxy-4-(1H-imidazol-1-ylthioxomethoxy)-cyclohexanecarboxylic Acid Methyl Ester (CAS 139356-32-4)
- 4-(5-Chloro-2-hydroxyphenyl)picolinic acid (CAS 1629041-62-8)
- (Thr(PO3H2)231)-Tau Peptide (225-237) trifluoroacetate salt (CAS 1670270-09-3)
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