2-Amino-5-oxo-4-(3,4,5-trimethoxyphenyl)-4H,5H-pyrano[3,2-c]chromene-3-carbonitrile CAS 293329-72-3
| CAS No. | 293329-72-3 |
| Molecular Formula | C22H18N2O6 |
| Molecular Weight | 406.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Amino-5-oxo-4-(3,4,5-trimethoxyphenyl)-4H,5H-pyrano[3,2-c]chromene-3-carbonitrile (CAS 293329-72-3), molecular formula C22H18N2O6 and molecular weight 406.39 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-Amino-5-oxo-4-(3,4,5-trimethoxyphenyl)-4H,5H-pyrano[3,2-c]chromene-3-carbonitrile (C22H18N2O6) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 406.39 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2-Amino-5-oxo-4-(3,4,5-trimethoxyphenyl)-4H,5H-pyrano[3,2-c]chromene-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 | C22H18N2O6 |
| Molecular Weight | 406.39 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Related Amino Standards
- Benzyl 2-amino-6-(hydroxymethyl)-8-oxo-4-(pyridin-3-yl)-4,8-dihydropyrano[3,2-b]pyran-3-carboxylate (CAS 902313-04-6)
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- N-(5-amino-2-fluorophenyl)-N-(phenylsulfonyl)benzenesulfonamide (CAS 1111507-12-0)
- 3-Amino-N-(2,6-dichlorophenyl)-6,7,8,9-tetrahydro-5H-cyclohepta[b]thieno[3,2-e]pyridine-2-carboxamide (CAS 387831-20-1)
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Recommended Standards
- 2-[Methyl-(5-nitro-pyridin-2-yl)-amino]ethanol (CAS 25948-15-6)
- 3-(4-Chlorophenyl)-[1,2,4]triazolo[3,4-a]isoquinoline (CAS 7626-70-2)
- 2,6-Bis(1,3-dioxoisoindolin-2-yl)hexanoic acid (CAS 43018-26-4)
- 6-Methyl-3-nitro-2-oxo-1,2-dihydropyridin-4-yl 3,4,5-triethoxybenzoate (CAS 868679-69-0)
- 3-Aminoisoxazolo[3,4-d]pyrimidine-4,6(1H,5H)-dione (CAS 136411-51-3)
- 3-Acetoxy-2-iodobenzophenone (CAS 890099-63-5)
- 3-Methoxypropane-1-sulfonic acid (CAS 51980-59-7)
- 5-Methyl-6-(methylamino)nicotinaldehyde (CAS 1289151-97-8)
- 6-Bromo-5-fluoro-1-(2-(trifluoromethyl)phenyl)-2,3-dihydro-1H-inden-1-ol (CAS 1830164-33-4)
- 4-Hydroxybicyclo[2.2.2]octane-1-carboxamide (CAS 72948-84-6)
- 2-(2-Bromo-3-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1701437-37-7)
- (5-Aminopyrazolo[1,5-a]pyridin-3-yl)methanol (CAS 1352894-42-8)
- 2,6-Dibromonicotinoyl chloride (CAS 1379342-33-2)
- MOTS-c Peptide (CAS 1627580-64-6)
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