4-Chloroquinazoline-6-sulfonyl chloride CAS 1368863-29-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1368863-29-9 |
| Molecular Formula | C8H4Cl2N2O2S |
| Molecular Weight | 263.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloroquinazoline-6-sulfonyl chloride (CAS 1368863-29-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H4Cl2N2O2S. Molecular weight: 263.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H4Cl2N2O2S |
| Molecular Weight | 263.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chloroquinazoline Standards
- 2-Benzyl-4-chloroquinazoline (CAS 414863-57-3)
- ethyl 6-chloroquinazoline-2-carboxylate (CAS 1613023-40-7)
- Ethyl 2-Chloroquinazoline-4-carboxylate (CAS 1092352-52-7)
- Ethyl 4-chloroquinazoline-7-carboxylate (CAS 1241725-79-0)
- ethyl 4-chloroquinazoline-6-carboxylate (CAS 155960-94-4)
- Methyl 2-Chloroquinazoline-4-acetate (CAS 1823300-22-6)
- methyl 4-chloroquinazoline-6-carboxylate (CAS 152536-17-9)
- methyl 4-chloroquinazoline-8-carboxylate (CAS 903130-01-8)
Recommended Standards
- 7-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydro-[1,4]dioxino[2,3-b]pyridine (CAS 1356165-72-4)
- Tert-butyl ((1-hydroxy-1,3-dihydrobenzo[c][1,2]oxaborol-6-yl)methyl)carbamate (CAS 1393477-24-1)
- 2-Methoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)nicotinaldehyde (CAS 1310404-57-9)
- 2,6-Dichloro-4-methylbenzene-1-sulfonyl chloride (CAS 90196-19-3)
- 2-Bromo-N-(2-(3-(pyridin-4-yl)-1H-pyrazol-1-yl)ethyl)benzamide (CAS 1448079-28-4)
- 5-Ethoxypyrimidine-2-carbaldehyde (CAS 2411260-18-7)
- Tert-butyl (2-(2-(methylamino)ethoxy)ethyl)carbamate hydrochloride (CAS 1185722-79-5)
- 5，7，3’，4’-Tetrahydroxy-3-methoxy-8-geranylflavone (CAS 1605304-56-0)
- 3-Bromo-5-(pyrrolidin-1-ylsulfonyl)pyridine (CAS 1086064-89-2)
- Semaglutide Impurity 152 xTFA (CAS CATO-C4X-2226152)
Why CATO?
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