2-{[4-(chlorosulfonyl)phenyl]formamido}acetic acid CAS 155493-93-9
| CAS No. | 155493-93-9 |
| Molecular Formula | C9H8ClNO5S |
| Molecular Weight | 277.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
2-{[4-(chlorosulfonyl)phenyl]formamido}acetic acid (CAS 155493-93-9), molecular formula C9H8ClNO5S and molecular weight 277.68 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-{[4-(chlorosulfonyl)phenyl]formamido}acetic acid (C9H8ClNO5S) 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 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 277.68 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C9H8ClNO5S |
| Molecular Weight | 277.68 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.) | 2001 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related chlorosulfonyl Standards
- Methyl 3-(chlorosulfonyl)-4-(dimethylamino)benzoate (CAS 1155083-98-9)
- 3-(4-(Chlorosulfonyl)phenyl)pentanoic acid (CAS 1258652-14-0)
- Methyl 2-(chlorosulfonyl)-5-(propan-2-yl)benzoate (CAS 1343794-72-8)
- 2-(3-(Chlorosulfonyl)-2,4,6-trimethylphenyl)acetic acid (CAS 1461706-50-2)
- Methyl 2-[4-(chlorosulfonyl)phenyl]-2-methylpropanoate (CAS 612532-24-8)
- (2e)-3-[3-(chlorosulfonyl)-4-methoxyphenyl]prop-2-enoic acid (CAS 610258-89-4)
- 4-[4-(chlorosulfonyl)phenyl]-4-oxobutanoic acid (CAS 937661-23-9)
- 6-(chlorosulfonyl)-3,4-dihydro-2H-1-benzopyran-3-carboxylic acid (CAS 885532-09-2)
Recommended Standards
- Methyl 4-acetyl-6-(chlorosulfonyl)picolinate (CAS 1393572-95-6)
- (4-Chloro-2-(4-fluorophenyl)pyrazolo[1,5-a]pyrazin-3-yl)methanol (CAS 1708288-91-8)
- 6-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-7-sulfonyl chloride (CAS 1368585-15-2)
- 3-(2-Chloro-6-fluorobenzyl)-3H-purin-6-amine (CAS 68220-23-5)
- 4-[2-(4-Ethylphenoxy)ethyl]piperidinehydrochloride (CAS 1219964-06-3)
- 4-{[(1-Methyl-1H-benzimidazol-2-yl)methyl]amino}benzoic Acid (CAS 328559-27-9)
- 3-Methylpiperidine-1-carbonyl chloride (CAS 64920-80-5)
- 1-Benzyl 2-methyl (2S)-5-oxopiperidine-1,2-dicarboxylate (CAS 117836-13-2)
- 4,4,5,5-tetramethyl-2-(2,3,4-trichlorophenyl)-1,3,2-dioxaborolane (CAS 1165935-95-4)
- (4-Hydroxy-1-naphthalenyl)(1-pentyl-1H-indol-3-yl)methanone (CAS 1393345-76-0)
- 1-(4,5-Dimethylthiazol-2-yl)propan-1-amine (CAS 1017132-19-2)
- Methyl 4-hydroxy-2,3-dihydro-1H-indene-2-carboxylate (CAS 935534-34-2)
- Methyl 3-(2-chlorophenyl)-2-hydroxypropanoate (CAS 133373-32-7)
- Casein Kinase II Receptor Peptide (CAS 198481-81-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com