2-Chloro-5-(6-oxo-1,6-dihydropyridazin-3-yl)-benzenesulfonyl chloride CAS 1160264-18-5
| CAS No. | 1160264-18-5 |
| Molecular Formula | C10H6Cl2N2O3S |
| Molecular Weight | 305.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 305.14 g/mol gives 2-Chloro-5-(6-oxo-1,6-dihydropyridazin-3-yl)-benzenesulfonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Chloro-5-(6-oxo-1,6-dihydropyridazin-3-yl)-benzenesulfonyl chloride (CAS 1160264-18-5), molecular formula C10H6Cl2N2O3S and molecular weight 305.14 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-Chloro-5-(6-oxo-1,6-dihydropyridazin-3-yl)-benzenesulfonyl chloride (C10H6Cl2N2O3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 305.14 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 2-Chloro-5-(6-oxo-1,6-dihydropyridazin-3-yl)-benzenesulfonyl chloride 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 | C10H6Cl2N2O3S |
| Molecular Weight | 305.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chloro Standards
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Recommended Standards
- 3-Iodo-6-methyl-8-(methylthio)imidazo[1,2-a]pyrazine (CAS 1094070-47-9)
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- rac-Carbidopa EP Impurity I (CAS 1246819-09-9)
- tert-Butyl (5-bromo-6-fluoropyridin-2-yl)(methyl)carbamate (CAS 1384435-77-1)
- 4-Fluoro-3-methyl-1H-pyrazole (CAS 133915-74-9)
- (s)-2-Amino-2-(2-chloro-6-nitrophenyl)ethan-1-ol (CAS 1212902-27-6)
- 2-Chloro-4-fluoro-n'-hydroxybenzene-1-carboximidamide hydrochloride (CAS 1311319-52-4)
- Ethyl 4-(3-nitrophenyl)benzoate (CAS 108620-55-9)
- N-[2-(2,4-Dichlorophenoxy)ethyl]-N-(2-methoxyethyl)amine (CAS 420100-11-4)
- 3-Bromo-5-chloro-1-methylpyridin-2(1H)-one (CAS 343981-02-2)
- 4-((1H-Imidazol-1-yl)methylene)-2-phenyloxazol-5(4H)-one (CAS 90330-20-4)
- 150281-47-3 4-(3-pyrrolidinyl)pyridine 4-pyrrolidin-3-ylpyridine A809026 (CAS 150281-47-3)
- 4-(Benzo[d]thiazol-2-yl)quinoline-2-thiol (CAS 790270-84-7)
- Semaglutide impurity 260 (CAS CATO-C4X-2226260)
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