2-(2-Methylpropanoyl)-2,3-dihydro-1H-indene-1,3-dione CAS 5426-11-9
| CAS No. | 5426-11-9 |
| Molecular Formula | C21H24N2O2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-(2-Methylpropanoyl)-2,3-dihydro-1H-indene-1,3-dione (CAS 5426-11-9) is a high-purity analytical reference standard with the molecular formula C21H24N2O2HCl and a molecular weight of 372.89 g/mol.
Based on its molecular formula C21H24N2O2HCl, 2-(2-Methylpropanoyl)-2,3-dihydro-1H-indene-1,3-dione contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 372.89 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).
CATO manufactures 2-(2-Methylpropanoyl)-2,3-dihydro-1H-indene-1,3-dione under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H24N2O2 2*HCl |
| Molecular Weight | 372.89 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Methylpropanoyl Standards
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- 4-(2-methylpropanoyl)benzene-1-sulfonyl chloride (CAS 1181763-81-4)
- 8-Benzyl-4-(2-methylpropanoyl)-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid (CAS 1326811-54-4)
- ethyl 4-(2-methylpropanoyl)-1H-pyrrole-2-carboxylate (CAS 151982-52-4)
- 1-(2-Methylpropanoyl)pyrrolidine-2-carboxylic acid (CAS 23500-16-5)
- 330985-26-7 1-(2-Methylpropanoyl)piperidine-4-carboxylic acid DTXSID80588174 (CAS 330985-26-7)
- 2-(2-Methylpropanoyl)cyclopentan-1-one (CAS 59210-11-6)
- 2'-methyl-4-[2-(2-methylpropanoyl)-4-oxoquinazolin-3(4h)-yl]-1',9a'-dihydro-3h-spiro[furan-2,9'-imidazo[1,2-a]indole]-3',5(2'h,4h)-dione 6639-57-2 AR-1E3638 (CAS 6639-57-2)
Recommended Standards
- 3-Methyl-1-(thiophen-2-ylmethyl)-1h-pyrazol-5-amine (CAS 4394-28-9)
- 4-(4-formyl-2-methoxyphenoxy)butanoic acid (CAS 174358-69-1)
- 8-Bromo-5,6-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinoline (CAS 89549-07-5)
- 3'-Formyl-4'-(trifluoromethoxy)-[1,1'-biphenyl]-4-carbonitrile (CAS 923281-51-0)
- Regadenoson Hydrate (CAS 875148-45-1)
- 1-Methyl-4-((methylamino)methyl)-1H-pyrrole-2-carboxylic acid (CAS 1782916-43-1)
- (R)-3-Chloro-6-(pyrrolidin-3-yloxy)pyridazine hydrochloride (CAS 1261234-73-4)
- H-D-Ala-D-Ala-D-Ala-OH (CAS 1114-94-9)
- 3,5-Dichloro-N-(3-cyano-6-isopropyl-4,5,6,7-tetrahydrothieno[2,3-c]pyridin-2-yl)benzamide hydrochloride (CAS 1216428-81-7)
- Semaglutide Impurity 166 (CAS 1395881-03-4)
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