3122-87-0 4H-1-Benzopyran-4-one, 5-hydroxy-2-(4-hydroxyphenyl)-7-methoxy-6,8-dimethyl- 5-Hydroxy-2-(4-hydroxyphenyl)-7-methoxy-6,8-dimethyl-4H-1-benzopyran-4-one CAS 3122-87-0
| CAS No. | 3122-87-0 |
| Molecular Formula | C18H16O5 |
| Molecular Weight | 312.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3122-87-0 4H-1-Benzopyran-4-one, 5-hydroxy-2-(4-hydroxyphenyl)-7-methoxy-6,8-dimethyl- 5-Hydroxy-2-(4-hydroxyphenyl)-7-methoxy-6,8-dimethyl-4H-1-benzopyran-4-one 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.
3122-87-0 4H-1-Benzopyran-4-one, 5-hydroxy-2-(4-hydroxyphenyl)-7-methoxy-6,8-dimethyl- 5-Hydroxy-2-(4-hydroxyphenyl)-7-methoxy-6,8-dimethyl-4H-1-benzopyran-4-one (CAS 3122-87-0), molecular formula C18H16O5 and molecular weight 312.32 g/mol, is a CATO reference standard with documented purity and traceability.
3122-87-0 4H-1-Benzopyran-4-one, 5-hydroxy-2-(4-hydroxyphenyl)-7-methoxy-6,8-dimethyl- 5-Hydroxy-2-(4-hydroxyphenyl)-7-methoxy-6,8-dimethyl-4H-1-benzopyran-4-one (C18H16O5) contains a flavonoid core, a hydroxyl group, an ether linkage. 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H16O5 |
| Molecular Weight | 312.32 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related H Standards
- 2H-1-Benzopyran-2-one, 6-[(1R,2S)-2,3-dihydroxy-1-methoxy-3-methylbutyl]-7-methoxy- (CAS 425370-70-3)
- 92519-95-4 4H-1-Benzopyran-4-one, 2-(2,6-dihydroxyphenyl)-3,5,7-trihydroxy- 2-(2,6-Dihydroxyphenyl)-3,5,7-trihydroxychromen-4-one Viscidulin I (CAS 92519-95-4)
- 2H-1-Benzopyran-7-ol, 3-[4-(acetyloxy)phenyl]-, 7-acetate (CAS 81267-66-5)
- 2H-1-Benzopyran-2-one,8-[1-(acetyloxy)-3- methyl-2-oxobutyl]-7-methoxy-,(+)- 95360-22-8 (CAS 95360-22-8)
- 6563-66-2 4H-1-Benzopyran-4-one, 5,6,7-trihydroxy-2-(4-methoxyphenyl)- DTXSID50457727 (CAS 6563-66-2)
- 4569-98-6 4H-1-Benzopyran-4-one, 7-hydroxy-3-(4-hydroxyphenyl)-5-methoxy- 7-Hydroxy-3-(4-hydroxyphenyl)-5-methoxy-4H-1-benzopyran-4-one Isoprunetin 5--O-Methylgenistein (CAS 4569-98-6)
- 22934-99-2 4H-1-Benzopyran-4-one,5,7-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-6-methoxy- (CAS 22934-99-2)
- 2H-1-Benzopyran-2-one,5,7-dimethoxy-8-[(3-methyl-2-buten-1-yl)oxy]- 96917-26-9 (CAS 96917-26-9)
Recommended Standards
- CAS 2207541-23-7 (CAS 2207541-23-7)
- 2-({4-[(Ethylamino)carbonyl]anilino}carbonyl)-benzoic acid 3970AF 945185-45-5 C17H16N2O4 (CAS 945185-45-5)
- WAY-659590 (CAS 867283-39-4)
- Bambuterol EP Impurity B (CAS 112935-92-9)
- tert-Butyl ((2R,4S,5R)-5-amino-4-hydroxy-1,6-diphenylhexan-2-yl)carbamate (CAS 1414933-94-0)
- 1-[(1-cyclohexyl-1H-pyrazol-3-yl)methyl]-1H-1,2,4-triazol-3-amine (CAS 1496858-14-0)
- 1-(2-Methoxyethyl)-1H-1,2,4-triazole-5-carbaldehyde (CAS 111340-49-9)
- 1-(2-Amino-4-bromophenyl)-3-pyrrolidinol (CAS 1219957-07-9)
- 2-(3,4-Difluorophenyl)-2-oxoacetic acid (CAS 890097-94-6)
- 2-((3-Ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)-N-mesitylacetamide (CAS 618427-80-8)
- (2R)-2-[(4S)-4,5-Dihydro-4-phenyl-2-oxazolyl]-1-(diphenylphosphino)piperidine (CAS 2757084-58-3)
- Flurbiprofen EP Impurity C (CAS 61466-95-3)
- Imrecoxib Impurity 17 (CAS CATO-C4X-237917)
- (Leu31,Pro3?)-Neuropeptide Y (human, rat) trifluoroacetate salt (CAS 132699-73-1)
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