6-(chlorosulfonyl)-3,4-dihydro-2H-1-benzopyran-3-carboxylic acid CAS 885532-09-2
| CAS No. | 885532-09-2 |
| Molecular Formula | C10H9ClO5S |
| Molecular Weight | 276.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 6-(chlorosulfonyl)-3,4-dihydro-2H-1-benzopyran-3-carboxylic acid (C10H9ClO5S) 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 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 276.69 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.
6-(chlorosulfonyl)-3,4-dihydro-2H-1-benzopyran-3-carboxylic acid (CAS 885532-09-2), molecular formula C10H9ClO5S and molecular weight 276.69 g/mol, is a CATO reference standard with documented purity and traceability.
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 6-(chlorosulfonyl)-3,4-dihydro-2H-1-benzopyran-3-carboxylic acid 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 | C10H9ClO5S |
| Molecular Weight | 276.69 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 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related chlorosulfonyl Standards
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Recommended Standards
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- 1-Ethyl-N-(pyridin-3-ylmethyl)-1h-pyrazol-4-amine (CAS 1006957-17-0)
- 2-(Ethylthio)-N-((5-phenylisoxazol-3-yl)methyl)benzamide (CAS 953224-68-5)
- trifluoroacetic acid methyl 5-methyl-3H-imidazo[4,5-b]pyridine-7-carboxylate (CAS 1803589-98-1)
- (Z)-2-[2-(Tritylamino)thiazol-4-yl]-2-(trityloxyimino)acetic Acid Ethyl Ester (CAS 69689-86-7)
- Itraconazole Impurity 48 (CAS CATO-C4X-149748)
- (R)-2-Hydroxy-2-(2-methoxyphenyl)acetic acid (CAS 4023-92-1)
- 4-fluoro-2-oxo-3H-1,3-benzoxazole-7-sulfonyl chloride (CAS 2387597-04-6)
- Liraglutide(8-31)TFA Salt (CAS CATO-C4X-19922)
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