6-Chloro-7-(3,5-dihydro-2H-benzo[e][1,4]dioxepin-3-yl)-7H-purine CAS 918304-41-3
| CAS No. | 918304-41-3 |
| Molecular Formula | C14H11ClN4O2 |
| Molecular Weight | 302.72 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 6-Chloro-7-(3,5-dihydro-2H-benzo[e][1,4]dioxepin-3-yl)-7H-purine.
6-Chloro-7-(3,5-dihydro-2H-benzo[e][1,4]dioxepin-3-yl)-7H-purine (CAS 918304-41-3), molecular formula C14H11ClN4O2 and molecular weight 302.72 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 6-Chloro-7-(3,5-dihydro-2H-benzo[e][1,4]dioxepin-3-yl)-7H-purine (C14H11ClN4O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 302.72 g/mol, it falls into the moderately-high-molecular-weight range. 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 6-Chloro-7-(3,5-dihydro-2H-benzo[e][1,4]dioxepin-3-yl)-7H-purine 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 | C14H11ClN4O2 |
| Molecular Weight | 302.72 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chloro Standards
- 6-Chloro-2-(4-ethyl-3-nitrophenyl)imidazo[1,2-b]pyridazine (CAS 1383624-01-8)
- Ethyl 4-(4-chloro-1H-pyrazolo[3,4-d]pyrimidin-1-yl)benzoate (CAS 1383927-19-2)
- 6-Chloro-9-(3,5-dihydro-2H-benzo[e][1,4]dioxepin-3-yl)-9H-purine (CAS 918304-34-4)
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Recommended Standards
- 6-(4-Chlorophenyl)-3-methylisoxazolo[5,4-b]pyridine-4-carbohydrazide (CAS 938018-05-4)
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- N-(2-Chloropyrimidin-4-yl)-3-(4-methoxyphenyl)isoxazol-5-amine (CAS 2408588-57-6)
- (E)-N-[7-(4-Chlorophenyl)-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl]-N'-methoxymethanimidamide (CAS 303145-82-6)
- 8-Bromo-2,6-dimethylimidazo[1,2-a]pyridine (CAS 847446-51-9)
- N-(3-((3,4-Difluorophenyl)amino)-3-oxo-1-phenylpropyl)benzamide (CAS 852304-07-5)
- (3AR,5R,6S,7S,7aR)-5-(hydroxymethyl)-2-methoxy-2-methyltetrahydro-5H-[1,3]dioxolo[4,5-b]pyran-6,7-diol (CAS 55865-04-8)
- 1-(4-Fluoro-1,3-benzothiazol-2-yl)azetidine-3-carboxylic acid (CAS 1283108-55-3)
- ethyl 2-[(6-methylpyridin-3-yl)oxy]acetate (CAS 24015-97-2)
- 3-Oxo-1,3-dihydroisobenzofuran-5-sulfonamide (CAS 56622-77-6)
- benzyl N-[(1s,3s)-3-aminocyclobutyl]carbamate hydrochloride (CAS 1989638-13-2)
- Topiramate EP Impurity B (CAS 876403-98-4)
- 1-(4-Formylphenyl)-1-oxo-5,8,11,14,17,20,23,26,29,32,35,38-dodecaoxa-2-azahentetracontan-41-oic acid (CAS 1415408-70-6)
- Semaglutide Impurity 14(Discontinued,See CPTD788307 ) (CAS CATO-C4X-222614)
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