2-Amino-4-(4-chloro-3-nitrophenyl)-7-methyl-5-oxo-4H,5H-pyrano[3,2-c]pyran-3-carbonitrile CAS 309926-41-8
| CAS No. | 309926-41-8 |
| Molecular Formula | C16H10ClN3O5 |
| Molecular Weight | 359.72 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C16H10ClN3O5, 2-Amino-4-(4-chloro-3-nitrophenyl)-7-methyl-5-oxo-4H,5H-pyrano[3,2-c]pyran-3-carbonitrile contains a flavonoid 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 359.72 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
2-Amino-4-(4-chloro-3-nitrophenyl)-7-methyl-5-oxo-4H,5H-pyrano[3,2-c]pyran-3-carbonitrile (CAS 309926-41-8), molecular formula C16H10ClN3O5 and molecular weight 359.72 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-Amino-4-(4-chloro-3-nitrophenyl)-7-methyl-5-oxo-4H,5H-pyrano[3,2-c]pyran-3-carbonitrile meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C16H10ClN3O5 |
| Molecular Weight | 359.72 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Amino Standards
- 5-Amino-N-(4-chlorobenzyl)-1-(4-fluorobenzyl)-1H-1,2,3-triazole-4-carboxamide (CAS 899736-62-0)
- 1020718-81-3 2-[2-(2-Amino-6-chloro-9H-purin-9-yl)ethyl-1,1,2,2-d4]-1,3-propanediol 1,3-Diacetate 9-(4-Acetoxy-3-acetoxymethylbutyl)-2-amino-6-chloropurine-d4 (CAS 1020718-81-3)
- n-(3-Amino-4-chlorophenyl)-2-(2,4-dichlorophenoxy)propanamide (CAS 852678-54-7)
- 2-Amino-4-bromo-3-fluoro-5-iodobenzoic acid (CAS 2241720-33-0)
- 2-Amino-4-bromo-5-fluoro-3-iodobenzoic acid (CAS 2773311-18-3)
- 2-Amino-5-bromo-4-fluoro-3-iodobenzoic acid (CAS 2833669-83-1)
- 2-((4-Amino-5-cyclohexyl-4H-1,2,4-triazol-3-yl)thio)-N-(2,5-dimethylphenyl)acetamide (CAS 577765-86-7)
- 2-((4-Amino-5-cyclohexyl-4H-1,2,4-triazol-3-yl)thio)-N-(4-ethylphenyl)acetamide (CAS 761413-42-7)
Recommended Standards
- 2-({[4-chloro-2-(trifluoromethyl)phenyl]carbamoyl}methanesulfonyl)acetic acid (CAS 344275-38-3)
- 3-((3-Chloro-4-hydroxyphenyl)amino)-4-(2-nitrophenyl)-1H-pyrrole-2,5-dione (CAS 264218-23-7)
- 1-(4-Chlorophenyl)-3-((2,4-dichlorobenzyl)thio)propan-1-one (CAS 320422-68-2)
- 2-Chloro-6-(2-(2,5-dimethoxybenzylidene)hydrazinyl)-4-(trifluoromethyl)pyridine (CAS 1431559-91-9)
- 4-(Methylnitrosamino)-1-(3-pyridyl-N-oxide)-1-butanone (CAS 76014-82-9)
- 6-Chloro-5-methoxy-1-methyl-1H-pyrrolo[3,2-b]pyridine (CAS 2796288-64-5)
- 1-(3-Bromobenzoyl)piperidin-4-one (CAS 1016813-74-3)
- 3-(tert-Butyl)-2-hydroxy-5-nitrobenzaldehyde (CAS 72607-35-3)
- 4,5-Dimethoxy-2-nitroaniline (CAS 7595-31-5)
- 2,6-Dimethylpyrimidin-4-yl acetate (CAS 1823935-40-5)
- Methyl 5-amino-3-(2-methoxyethoxy)benzofuran-2-carboxylate (CAS 1707609-65-1)
- N-methyl-1-(3-((6-methylpyrazin-2-yl)oxy)phenyl)methanamine (CAS 912569-66-5)
- Oxirane, 2-[(undecyloxy)methyl]-, (2R)- (CAS 122608-92-8)
- MOTS-c Peptide (CAS 1627580-64-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com