3-Chloro-5-methoxy-benzo[b]thiophene-2-carbonyl Chloride CAS 56030-16-1
| CAS No. | 56030-16-1 |
| Molecular Formula | C10H6Cl2O2S |
| Molecular Weight | 261.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-Chloro-5-methoxy-benzo[b]thiophene-2-carbonyl Chloride is closely related to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-Chloro-5-methoxy-benzo[b]thiophene-2-carbonyl Chloride (CAS 56030-16-1), molecular formula C10H6Cl2O2S and molecular weight 261.12 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H6Cl2O2S, 3-Chloro-5-methoxy-benzo[b]thiophene-2-carbonyl Chloride contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 261.12 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 3-Chloro-5-methoxy-benzo[b]thiophene-2-carbonyl 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 | C10H6Cl2O2S |
| Molecular Weight | 261.12 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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; 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.) | 1973 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 3-Chloro-6-methoxy-1-benzothiophene-2-carbonyl chloride (CAS 75998-29-7)
- 4-Chloro-7-chlorosulfonyl-2,1,3-benzoxoxadiazole (CAS 142246-48-8)
- 2-Chloro-n-(6-chloro-1,3-benzothiazol-2-yl)acetamide (CAS 3268-75-5)
- 2-Chloro-n-[2-chloro-4-(cyanosulfanyl)phenyl]acetamide (CAS 3082-23-3)
- 2-chloro-4-(3-chloropropanamido)benzamide (CAS 1155902-84-3)
- 2-(4-Chloro-3,5-dimethylphenoxy)-2-methylpropanoyl chloride (CAS 1160257-94-2)
- 3-(2-Chloro-3,4-dimethoxyphenyl)acryloyl chloride (CAS 175136-00-2)
- 2-(4-Chloro-3,5-dimethylphenoxy)butanoyl chloride (CAS 70970-53-5)
Recommended Standards
- 3,5-Bis(trifluoromethoxy)aniline (CAS 308834-44-8)
- 3-(Cyclopropoxy)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 2096341-47-6)
- 3-Chloronaphthalene-2-sulfonyl chloride (CAS 3623-96-9)
- 3-(Cyclopropoxy)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 2096330-45-7)
- Trifluoro-methanesulfonic acid diethylpropylsilyl ester (CAS 1926995-07-4)
- 5-Chloro NNEI (CAS 1800101-23-8)
- 4-(4-Methyl-1-piperazinyl)-3-(trifluoromethyl)benzoic Acid (CAS 677704-61-9)
- 3-(2-Aminoethyl)-[1,2,4]triazolo[4,3-a]pyridine (CAS 93113-11-2)
- Phenethyl 4-hydroxybenzoate (CAS 83936-28-1)
- Formoterol impound 144 (CAS 343618-74-6)
- Tert-butyl 3-((4-fluorobenzyl)amino)azetidine-1-carboxylate (CAS 887580-28-1)
- 6-(4-Chlorophenyl)-3-(furan-2-yl)-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazine (CAS 183536-51-8)
- n-(1-((2-Amino-2-oxoethyl)amino)-4-methyl-1-oxopentan-2-yl)pyrrolidine-2-carboxamide (CAS 878889-74-8)
- Tirzepatide Impurity 37 (CAS CATO-C4X-324037)
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