4-(6-Chloro-9H-purin-9-yl)phenol CAS 21268-12-2
| CAS No. | 21268-12-2 |
| Molecular Formula | C13H9NO4 |
| Molecular Weight | 243.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(6-Chloro-9H-purin-9-yl)phenol (CAS 21268-12-2) is a high-purity analytical reference standard with the molecular formula C13H9NO4 and a molecular weight of 243.21 g/mol.
Structurally, 4-(6-Chloro-9H-purin-9-yl)phenol (C13H9NO4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 243.21 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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-(6-Chloro-9H-purin-9-yl)phenol 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 | C13H9NO4 |
| Molecular Weight | 243.21 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 1 |
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- 2-Propenoic acid, 2-oxiranylmethyl ester, homopolymer (CAS 26374-91-4)
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- 5-(4-(Benzyloxy)phenyl)nicotinic acid (CAS 893739-18-9)
- 1H-Pyrrolo[2,3-b]pyridine, 4-chloro-2-iodo-1-[(4-methylphenyl)sulfonyl]- (CAS 348640-26-6)
- Diphenylmethanesulfonyl chloride (CAS 869676-42-6)
- Peptide Impurity 24 (CAS CATO-CPTD788824)
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