4-Chlorobenzofuro[3,2-d]pyrimidine CAS 39876-88-5
| CAS No. | 39876-88-5 |
| Molecular Formula | C10H5ClN2O |
| Molecular Weight | 204.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Chlorobenzofuro[3,2-d]pyrimidine (CAS 39876-88-5), a certified reference material (molecular formula C10H5ClN2O, MW 204.61 g/mol) for analytical method development and quality control.
4-Chlorobenzofuro[3,2-d]pyrimidine (C10H5ClN2O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
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.
Physical & Chemical Properties
| Molecular Formula | C10H5ClN2O |
| Molecular Weight | 204.61 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chlorobenzofuro Standards
- 3-Chlorobenzofuro[2,3-b]pyridine (CAS 1424369-37-8)
- 2-Chlorobenzofuro[2,3-b]pyridine (CAS 31874-87-0)
- 3-chlorobenzofuro[2,3-c]pyridine (CAS 2340379-27-1)
- 11-Chlorobenzofuro[3,2-b]quinoline (CAS 69764-19-8)
- N1-(8-Chlorobenzofuro[3,2-d]pyrimidin-4-yl)ethane-1,2-diamine (CAS 2197055-02-8)
- 4-Chlorobenzofuro[3,2-g]pyrrolo[1,2-a]quinoxaline (CAS 72499-65-1)
Recommended Standards
- 4-Chloro-2-oxo-1,2-dihydroquinoline-3-carbonitrile (CAS 680210-85-9)
- 5-(Chloromethyl)isoxazol-3-yl dimethylcarbamate (CAS 83014-79-3)
- 4-Chloro-2-(2-hydroxyethyl)-5-methoxypyridazin-3(2H)-one (CAS 898261-83-1)
- 6-((2-Aminoethyl)amino)-5-chloropyrimidine-2,4(1H,3H)-dione (CAS 399549-96-3)
- Ethyl 2-(piperidin-4-ylformamido)acetate hydrochloride (CAS 1423023-98-6)
- (2-Isobutoxy-6-methoxyphenyl)boronic acid (CAS 1072951-97-3)
- N-(3-Cyclopropoxy-5-(methylthio)phenyl)methanesulfonamide (CAS 1243350-71-1)
- Ethyl (3E)-3-cyano-2-oxo-4-{[4-(trifluoromethyl)phenyl]amino}but-3-enoate (CAS 339106-77-3)
- N-Pentylcyclopentanamine (CAS 70391-99-0)
- 380430-49-9 4-(Boc-amino)benzeneboronic Acid 4-(Boc-amino)phenylboronic Acid 4-[(tert-Butoxycarbonyl)amino]benzeneboronic Acid 4-[(tert-Butoxycarbonyl)amino]phenylboronic Acid B4335 (CAS 380430-49-9)
- Ibandronic Acid-d3 Sodium Salt See I120003 (CAS 1329834-28-7)
- 4-(4-Tert-butylphenyl)-2-thiophenecarbaldehyde (CAS 343604-16-0)
- 4-Benzylamino-1-butanol (CAS 59578-63-1)
- Des-Leu26-Tirzepatide (CAS CATO-CPTD788947)
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