Cyclooctyl (3-chloro-1,4-dioxo-1,4-dihydronaphthalen-2-yl)carbamate CAS 439093-86-4
| CAS No. | 439093-86-4 |
| Molecular Formula | C19H20ClNO4 |
| Molecular Weight | 361.82 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies Cyclooctyl (3-chloro-1,4-dioxo-1,4-dihydronaphthalen-2-yl)carbamate (CAS 439093-86-4), a certified reference material (molecular formula C19H20ClNO4, MW 361.82 g/mol) for analytical method development and quality control.
Structurally, Cyclooctyl (3-chloro-1,4-dioxo-1,4-dihydronaphthalen-2-yl)carbamate (C19H20ClNO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. 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 361.82 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C19H20ClNO4 |
| Molecular Weight | 361.82 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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- Cyclooctyl 2,2,2-Trifluoroacetate (CAS 1478-73-5)
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Recommended Standards
- 7-Chloro-1-((1-phenylethyl)amino)anthracene-9,10-dione (CAS 61100-64-9)
- Ethyl 6-(N-(2-chloro-4-fluorophenyl)sulfamoyl)cyclohex-1-enecarboxylate (CAS 243983-70-2)
- 4-Chloro-6-methoxy-7-(3-morpholinopropoxy)quinoline-3-carbonitrile (CAS 214487-30-6)
- Methyl 2-(4-(3-chloro-2,2-dimethylpropanamido)phenoxy)benzoate (CAS 865660-49-7)
- (2R,5S)-3-(4-fluorophenyl)-2-isopropyl-5-methyl-1-(2,2,2-trifluoroacetyl)imidazolidin-4-one (CAS 1353780-20-7)
- 2-Amino-3-phenyl-1-(1-piperidinyl)-1-propanonehydrochloride (CAS 879006-67-4)
- Tos-aminoxy-Boc-PEG4-Tos (CAS 1817735-42-4)
- (S)-1-Methylpiperidine-2-carboxylic acid (CAS 41447-18-1)
- 3-(Piperidin-3-yl)-1,3-dihydro-2h-imidazo[4,5-b]pyridin-2-one (CAS 1784243-34-0)
- Methyl 4-(benzo[d]thiazol-2-yl)benzoate (CAS 2182-77-6)
- 4-(4-Chlorophenyl)-5-(methylsulfonyl)pyrimidin-2-amine (CAS 1707379-61-0)
- 3-Phenyl-5H-thiazolo[2,3-b]quinazolin-5-one (CAS 23905-59-1)
- Famotidine Impurity 02 (CAS 81152-53-6)
- Semaglutide Impurity 2 (CAS CATO-C4X-22262)
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