4-(Benzo[d][1,3]dioxol-5-yl)-2-methyl-5-oxo-5H-indeno[1,2-b]pyridine-3-carbonitrile CAS 439108-77-7
| CAS No. | 439108-77-7 |
| Molecular Formula | C21H12N2O3 |
| Molecular Weight | 340.33 g/mol |
| 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.
4-(Benzo[d][1,3]dioxol-5-yl)-2-methyl-5-oxo-5H-indeno[1,2-b]pyridine-3-carbonitrile (CAS 439108-77-7) is a high-purity analytical reference standard with the molecular formula C21H12N2O3 and a molecular weight of 340.33 g/mol.
4-(Benzo[d][1,3]dioxol-5-yl)-2-methyl-5-oxo-5H-indeno[1,2-b]pyridine-3-carbonitrile (C21H12N2O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 4-(Benzo[d][1,3]dioxol-5-yl)-2-methyl-5-oxo-5H-indeno[1,2-b]pyridine-3-carbonitrile 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 | C21H12N2O3 |
| Molecular Weight | 340.33 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Related Benzo Standards
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Recommended Standards
- 4-(4-Methoxyphenyl)-5-methyl-2-(4-nitrobenzyl)-2,4-dihydro-3H-1,2,4-triazol-3-one (CAS 861206-13-5)
- 4-Nitrophenyl (tert-butoxycarbonyl)-L-threoninate (CAS 28307-08-6)
- 4-(4-(Dimethoxymethyl)pyrimidin-2-yl)phenyl furan-2-carboxylate (CAS 477870-24-9)
- 5-[2-(2,6-dioxo-3-piperidyl)-1-oxo-isoindolin-4-yl]pent-4-ynoic acid (CAS 2640724-25-8)
- 4-Amino-1-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)pyrimidin-2(1H)-one (CAS 338420-22-7)
- 4-Cyclopropoxy-6-iodo-N,N-dimethylpyridin-2-amine (CAS 1243399-76-9)
- 1-(4-Ethylbenzyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1282989-46-1)
- (2-Ethoxybenzo[d]oxazol-4-yl)methanamine (CAS 1803837-44-6)
- 3-(4-Methoxyphenyl)-[1,2,4]triazolo[3,4-a]phthalazin-6(5H)-one (CAS 87540-94-1)
- 3-(p-Tolyl)pyrrolo[1,2-c]oxazol-1(3H)-one (CAS 820964-01-0)
- 4-{5h,6h,7h-[1,3]thiazolo[3,2-a]pyrimidin-3-yl}aniline (CAS 23223-88-3)
- 2-{[(tert-butoxy)carbonyl]amino}hex-4-ynoic acid (CAS 183500-60-9)
- 4-(2-Benzylphenoxy)-2-methylaniline (CAS 946786-04-5)
- D-allo-Thr5-Semaglutide (CAS CATO-C4X-2226243)
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