4-chloroquinazoline-8-carbonyl chloride CAS 1093960-58-7
| CAS No. | 1093960-58-7 |
| Molecular Formula | C9H4Cl2N2O |
| Molecular Weight | 227.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-chloroquinazoline-8-carbonyl chloride meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
4-chloroquinazoline-8-carbonyl chloride (CAS 1093960-58-7) is a high-purity analytical reference standard with the molecular formula C9H4Cl2N2O and a molecular weight of 227.05 g/mol.
Based on its molecular formula C9H4Cl2N2O, 4-chloroquinazoline-8-carbonyl chloride contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 227.05 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C9H4Cl2N2O |
| Molecular Weight | 227.05 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related chloroquinazoline Standards
- 4-Chloroquinazoline-7-carbonyl chloride (CAS 758710-78-0)
- Methyl 2-chloroquinazoline-6-carboxylate (CAS 1036755-96-0)
- Methyl 2-chloroquinazoline-8-carboxylate (CAS 1217269-81-2)
- Methyl 2-Chloroquinazoline-5-carboxylate (CAS 1221288-22-7)
- Methyl 4-Chloroquinazoline-5-carboxylate (CAS 1260890-93-4)
- Methyl 4-chloroquinazoline-2-carboxylate (CAS 1284130-45-5)
- 7-Chloroquinazoline-4-acetic Acid (CAS 1783794-98-8)
- 2-Chloroquinazoline-4-acetic Acid (CAS 1783795-26-5)
Recommended Standards
- (6-Bromobenzofuran-2-yl)methanol (CAS 1089682-06-3)
- 2-Bromobicyclo[4.2.0]Octa-1,3,5-triene-7-carboxylic acid (CAS 1132076-29-9)
- 2-(2-Bromophenyl)propanedial (CAS 1057670-77-5)
- 2-Chloroquinoxaline-6-carbonyl chloride (CAS 1134-51-6)
- Methyl 1-methyl-4-oxocyclohexa-2,5-diene-1-carboxylate (CAS 62680-14-2)
- 3-(4-Bromo-2-(3-ethoxy-3-oxopropyl)phenyl)acrylic acid (CAS 1807410-65-6)
- Ethyl 4-(2,4-dichlorophenyl)-2-methyl-6-oxo-1,4,5,6-tetrahydropyridine-3-carboxylate (CAS 303136-96-1)
- 4-Ethoxy-n-ethylbenzenesulfonamide (CAS 477482-95-4)
- (6-(4-Chlorophenyl)pyrimidin-4-yl)methanol (CAS 138222-16-9)
- Tert-butyl 3-methyl-2,4,5,7-tetrahydro-6H-pyrazolo[3,4-c]pyridine-6-carboxylate (CAS 1824066-73-0)
- 2-(1-(Ethylsulfonyl)-3-hydroxyazetidin-3-yl)acetonitrile (CAS 1862670-24-3)
- 3-Amino-N-cyanopyrazine-2-carboxamide (CAS 30478-34-3)
- Methyl 3-Fluoro-4-morpholinobenzoate (CAS 495405-04-4)
- Liraglutide Impurity 14 TFA Salt (CAS CATO-C4X-199214)
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