4-(3,4-Dihydroxyphenyl)-7-hydroxy-5-(((3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)chroman-3-one CAS 116329-89-6
| CAS No. | 116329-89-6 |
| Molecular Formula | C21H20O11 |
| Molecular Weight | 448.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-(3,4-Dihydroxyphenyl)-7-hydroxy-5-(((3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)chroman-3-one.
CATO supplies 4-(3,4-Dihydroxyphenyl)-7-hydroxy-5-(((3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)chroman-3-one (CAS 116329-89-6), a certified reference material (molecular formula C21H20O11, MW 448.38 g/mol) for analytical method development and quality control.
4-(3,4-Dihydroxyphenyl)-7-hydroxy-5-(((3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)chroman-3-one (C21H20O11) 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.
As a certified reference material (CRM), 4-(3,4-Dihydroxyphenyl)-7-hydroxy-5-(((3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)chroman-3-one 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 | C21H20O11 |
| Molecular Weight | 448.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
Related Dihydroxyphenyl Standards
- 2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)chromenylium (CAS 47705-70-4)
- (S)-2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-6-((2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)chroman-4-one (CAS 118040-45-2)
- (2S)-2-(2,4-dihydroxyphenyl)-7-hydroxy-8-[(2R)-5-hydroxy-5-methyl-2-(prop-1-en-2-yl)hexyl]-5-methoxy-2,3-dihydro-4H-1-benzopyran-4-one 855746-98-4 CHEBI:81093 kurarinol (CAS 855746-98-4)
- (E)-3-(3,4-Dihydroxyphenyl)-1-(2-hydroxy-4-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)phenyl)prop-2-en-1-one (CAS 499-29-6)
- 3-(2,4-Dihydroxyphenyl)-3-(4-(dimethylamino)phenyl)isobenzofuran-1(3H)-one (CAS 6310-69-6)
- 8-(2,4-Dihydroxyphenyl)-7-hydroxy-2-(2-hydroxy-4-oxocyclohexa-2,5-dien-1-ylidene)-2H-phenoxazin-3(10H)-one (CAS 71939-12-3)
- (2,5-Dihydroxyphenyl)bis(4-phenylbutyl)phosphine oxide (CAS 1420991-98-5)
- 8-(2,4-Dihydroxyphenyl)-4-hydroxy-2-methyl-2-(4-methylpent-3-en-1-yl)-7,8-dihydro-2H,6H-pyrano[3,2-g]chromen-6-one (CAS 123702-94-3)
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