Methyl 4-(chlorosulfonyl)-1-naphthoate CAS 2126179-09-5
| CAS No. | 2126179-09-5 |
| Molecular Formula | C12H9ClO4S |
| Molecular Weight | 284.72 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Methyl 4-(chlorosulfonyl)-1-naphthoate (CAS 2126179-09-5) is a high-purity analytical reference standard with the molecular formula C12H9ClO4S and a molecular weight of 284.72 g/mol.
Structurally, Methyl 4-(chlorosulfonyl)-1-naphthoate (C12H9ClO4S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. 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 284.72 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures Methyl 4-(chlorosulfonyl)-1-naphthoate 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 | C12H9ClO4S |
| Molecular Weight | 284.72 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 chloroform, dichloromethane, ethyl acetate, 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.) | 1997 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Methyl Standards
- Methyl 5-(chlorosulfonyl)-1-naphthoate (CAS 141952-09-2)
- 4-(Chlorosulfonyl)naphthalen-1-yl acetate (CAS 58878-79-8)
- Methyl 6-(chlorosulfonyl)-2-naphthoate (CAS 2172474-25-6)
- Methyl 5-(chlorosulfonyl)isoquinoline-1-carboxylate (CAS 1258640-97-9)
- Methyl 8-(chlorosulfonyl)quinoline-6-carboxylate (CAS 1305711-05-0)
- Ethyl 3-(chlorosulfonyl)-4,5-dimethylthiophene-2-carboxylate (CAS 2855998-85-3)
- 6-(Chlorosulfonyl)-2-hydroxy-1-naphthoic acid (CAS 70714-67-9)
- ethyl 4-[(chlorosulfonyl)methyl]-4-fluorocyclohexane-1-carboxylate (CAS 1955498-99-3)
Recommended Standards
- Methyl 2-[(6-chloropyridazin-3-yl)sulfanyl]-1-methyl-1H-imidazole-5-carboxylate (CAS 338793-45-6)
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- 2-Chloro-4-(2,2,2-trifluoroethoxy)benzoic acid (CAS 888022-63-7)
- 5-Bromo-3-(2-(dimethylamino)ethyl)pyrimidin-4(3H)-one (CAS 936637-00-2)
- Ethyl 2-(6-nitro-1H-benzo[d]imidazol-2-yl)acetate (CAS 157688-27-2)
- 9,10-Bis(4-phenylnaphthalen-1-yl)anthracene (CAS 722498-65-9)
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- Semaglutide impurity 255 (CAS CATO-C4X-2226255)
Why CATO?
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