4,4'-((2-Hydroxy-5-methyl-1,3-phenylene)bis(methylene))bis(benzene-1,3-diol) CAS 93933-64-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 93933-64-3 |
| Molecular Formula | C21H20O5 |
| Molecular Weight | 352.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 4,4'-((2-Hydroxy-5-methyl-1,3-phenylene)bis(methylene))bis(benzene-1,3-diol) (CAS 93933-64-3) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C21H20O5. Molecular weight: 352.38 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C21H20O5 |
| Molecular Weight | 352.38 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
Related Hydroxy Standards
- N-(2-Hydroxy-4-methylphenyl)-4-(5-methyl-1,3-dioxoisoindolin-2-yl)butanamide (CAS 1119368-26-1)
- Methyl 6-hydroxy-5-(6-hydroxy-3-methoxy-2,4-dimethylphenyl)-2-naphthoate (CAS 1832513-71-9)
- 4-Hydroxy-N-(3-methoxyphenyl)-2-oxo-1-propyl-1,2-dihydroquinoline-3-carboxamide (CAS 303093-38-1)
- Ethyl 6-hydroxy-4-(4-methoxyphenyl)-2-phenyl-4,5-dihydropyrimidine-5-carboxylate (CAS 400078-30-0)
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- Methyl 4-{[(4-hydroxy-6-phenyl-2-pyrimidinyl)sulfanyl]methyl}benzoate (CAS 922629-61-6)
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- 4-Hydroxy-1-methyl-N-phenyl-1H-thieno[3,2-c][1,2]thiazine-3-carbothioamide 2,2-dioxide (CAS 303987-83-9)
Recommended Standards
- 4-(Boc-amino)-2-(Cbz-amino)butanoic Acid (CAS 24666-61-3)
- 4-[(2Z)-3-(2H-1,3-Benzodioxol-5-yl)prop-2-enoyl]phenyl 2,2-dimethylpropanoate (CAS 306730-22-3)
- 4-(((9H-Fluoren-9-yl)methoxy)carbonyl)piperazine-2-carboxylic acid (CAS 219312-90-0)
- 3-[(2,6-Difluorophenyl)methyl]azetidine (CAS 937626-37-4)
- 4-{[1-(4-methoxyphenyl)acetamido]methyl}benzoic acid (CAS 925137-96-8)
- 1-(Adamantan-1-yl)-2-aminoethan-1-ol (CAS 72799-71-4)
- Nifuroxazide-d4 (CAS 1188487-83-3)
- Omilancor (CAS 1912399-75-7)
- 5-Bromo-2-azabicyclo[2.1.1]Hexane (CAS 1824496-79-8)
- Atrial Natriuretic Polypeptide (4-28), human (CAS 95896-08-5)
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