4,4'-Methylenebis(3-hydroxy-2-naphthoic acid), sodium salt CAS 15537-67-4
| CAS No. | 15537-67-4 |
| Molecular Formula | C23H16O6 |
| Molecular Weight | N/A |
| 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 4,4'-Methylenebis(3-hydroxy-2-naphthoic acid), sodium salt.
CATO supplies 4,4'-Methylenebis(3-hydroxy-2-naphthoic acid), sodium salt (CAS 15537-67-4), a certified reference material (molecular formula C23H16O6Na, MW 411.37 g/mol) for analytical method development and quality control.
Based on its molecular formula C23H16O6Na, 4,4'-Methylenebis(3-hydroxy-2-naphthoic acid), sodium salt contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 411.37 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
CATO manufactures 4,4'-Methylenebis(3-hydroxy-2-naphthoic acid), sodium salt 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 | C23H16O6 Na |
| Molecular Weight | 411.37 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
Related Methylenebis Standards
- 4,4′-Methylenebis(2,6-diethylphenyl isocyanate) (CAS 105442-35-1)
- 4,4＇-Methylenebis(3-chloro-2,6-diethylaniline) (CAS 106246-33-7)
- 4,4'-(Methylenebis(oxy))dianiline dihydrochloride (CAS 108299-45-2)
- 4,4＇-Methylenebis(2,6-di-tert-butylphenol) (CAS 118-82-1)
- 2,2＇-Methylenebis(6-Tert-Butyl-4-Methylphenol) (CAS 119-47-1)
- 1216547-21-5 3,3'-{Methylenebis[(4,1-phenylene)hydrazine-2,1-diyl]}di(cyclohex-2-en-1-one) DTXSID80724590 (CAS 1216547-21-5)
- 2,2′-Methylenebis[(4<I>S</I>)-4-tert-butyl-2-oxazoline] (CAS 132098-54-5)
- 2,2′-Methylenebis[(4<I>S</I>)-4-phenyl-2-oxazoline] (CAS 132098-59-0)
Recommended Standards
- 2-(3,4-Dimethylphenoxy)-N'-(pyridin-3-ylmethylene)acetohydrazide (CAS 328563-43-5)
- 3-(Phenylsulfonyl)propanoyl chloride (CAS 3445-53-2)
- N-Trityl Candesartan Methoxy Analogue (CAS 1246820-94-9)
- 4-Chloro-2-{[(4-chlorophenyl)sulfanyl]methyl}-5,6-dimethylthieno[2,3-d]pyrimidine (CAS 793727-83-0)
- Prop-2-yn-1-yl 3-chloro-4-((4-methylbenzyl)oxy)benzoate (CAS 1706428-83-2)
- 7H-Spiro[furo[3,2-d]pyrimidine-6,4'-piperidine] (CAS 2771352-16-8)
- Elagolix Impurity 20 (CAS 110143-62-9)
- (6-Hydroxy-5-methylpyridin-3-yl)boronic acid (CAS 1356087-46-1)
- 7-Amino-4-methyl-3,4-dihydro-1,4-benzoxazepin-5(2H)-one (CAS 129018-77-5)
- Semaglutide impurity 268 (CAS CATO-C4X-2226268)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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