2-(4,5-Dimethoxy-2-nitrophenyl)-1H-imidazo[4,5-b]phenazine CAS 303059-18-9
| CAS No. | 303059-18-9 |
| Molecular Formula | C21H15N5O4 |
| Molecular Weight | 401.37 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.
CATO supplies 2-(4,5-Dimethoxy-2-nitrophenyl)-1H-imidazo[4,5-b]phenazine (CAS 303059-18-9), a certified reference material (molecular formula C21H15N5O4, MW 401.37 g/mol) for analytical method development and quality control.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, 2-(4,5-Dimethoxy-2-nitrophenyl)-1H-imidazo[4,5-b]phenazine is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 401.37 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 2-(4,5-Dimethoxy-2-nitrophenyl)-1H-imidazo[4,5-b]phenazine 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 | C21H15N5O4 |
| Molecular Weight | 401.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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 | 5 |
Related Dimethoxy Standards
- (S)-(2,2'-Dimethoxy-[1,1'-binaphthalene]-3,3'-diyl)diboronic acid (CAS 428874-68-4)
- (S)-2,2'-Dimethoxy-1,1'-binaphthyl-3,3'-diyldiboronic acid, 97% (CAS 220204-00-2)
- 3,6-Dimethoxy-6-(4-methoxyphenyl)-6H-chromeno[3,4-b]quinoxaline (CAS 1807-99-4)
- 4-(2,3-Dimethoxy-8-oxo-5,8,12,12a-tetrahydropyrazolo[3',4':4,5]pyrido[2,1-a]isoquinolin-11(6H)-yl)benzonitrile (CAS 685108-21-8)
- 6,7-Dimethoxy-12,16,18,25-tetraazahexacyclo[12.11.0.0^{3,12}.0^{4,9}.0^{17,25}.0^{19,24}]pentacosa-1(14),4(9),5,7,15,17,19(24),20,22-nonaen-13-one (CAS 685107-15-7)
- (2,5-Dimethoxy-1,4-phenylene)bis(diisopropylphosphine oxide) (CAS 1426397-81-0)
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- Methyl 3,3-dimethoxy-2-[2-[[6-(trifluoromethyl)pyridin-2-yl]oxymethyl]phenyl]propanoate (CAS 1448851-52-2)
Recommended Standards
- (S)-4-Nitrobenzyl 4-amino-2-(((benzyloxy)carbonyl)amino)-4-oxobutanoate (CAS 3561-56-6)
- 3-[3,5-Bis(trifluoromethyl)phenyl]-1-[2-(morpholin-4-yl)ethyl]thiourea (CAS 220635-34-7)
- (R)-4-Nitrobenzyl 4-amino-2-(((benzyloxy)carbonyl)amino)-4-oxobutanoate (CAS 58578-32-8)
- Ethyl (S)-6-amino-5-cyano-2-(2-ethoxy-2-oxoethyl)-4-(2-nitrophenyl)-4H-pyran-3-carboxylate (CAS 294635-06-6)
- 5-Cyano-1-methyl-1H-pyrazole-4-carbonyl chloride (CAS 81303-60-8)
- 2-(1-Methyl-1H-pyrazol-4-yl)-3-oxopropanenitrile (CAS 1039364-93-6)
- 4-Dimethylamino-2-methoxybenzaldehyde (CAS 84562-48-1)
- Calcium iodate monohydrate (CAS 10031-32-0)
- Ethyl 2-mercapto-4-methyl-1H-imidazole-5-carboxylate (CAS 57332-78-2)
- 2-(4-(Difluoromethyl)-3-fluoro-5-iodopyridin-2-yl)acetonitrile (CAS 1806926-55-5)
- (1-(3,5-Dichlorophenyl)cyclobutyl)methanamine (CAS 1935340-44-5)
- N-[3,5-Bis(trifluoromethyl)phenyl]-N'-[(1R,2R)-2-[(11bR)-3,5-dihydro-4H-dinaphth[2,1-c:1',2'-e]azepin-4-yl]cyclohexyl]thiourea (CAS 1040235-96-8)
- 2-Amino-1-butanol-1,1-d<SUB>2</SUB> (CAS 1202864-89-8)
- Mast Cell Degranulating Peptide HR-1 (CAS 80533-94-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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