7-(2-Chloroacetyl)-4-hydroxybenzo[d]thiazol-2(3H)-one CAS 1179336-08-3
| CAS No. | 1179336-08-3 |
| Molecular Formula | C9H6ClNO3S |
| Molecular Weight | 243.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-(2-Chloroacetyl)-4-hydroxybenzo[d]thiazol-2(3H)-one (CAS 1179336-08-3), molecular formula C9H6ClNO3S and molecular weight 243.67 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 7-(2-Chloroacetyl)-4-hydroxybenzo[d]thiazol-2(3H)-one (C9H6ClNO3S) 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 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 243.67 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 7-(2-Chloroacetyl)-4-hydroxybenzo[d]thiazol-2(3H)-one 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 | C9H6ClNO3S |
| Molecular Weight | 243.67 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chloroacetyl Standards
- Methyl 2-[3-(2-chloroacetyl)-2,5-dimethyl-1h-pyrrol-1-yl]acetate (CAS 1094364-33-6)
- Ethyl 4-(2-Chloroacetyl)-2,5-dimethyl-1H-pyrrole-3-carboxylate (CAS 125102-42-3)
- Ethyl 4-(2-Chloroacetyl)-3,5-dimethyl-1H-pyrrole-2-carboxylate (CAS 315663-65-1)
- Ethyl 5-(2-Chloroacetyl)-2,4-dimethyl-1H-pyrrole-3-carboxylate (CAS 950-86-7)
- Methyl 4-[(chloroacetyl)amino]-3-hydroxybenzoate, tech (CAS 142165-99-9)
- 712286-89-0 3-[(Chloroacetyl)amino]-4-methoxybenzoic acid MFCD04069097 (CAS 712286-89-0)
- 6-(2-CHLOROACETYL)-8-FLUORO-2H-BENZO[B][1,4]OXAZIN-3(4H)-ONE 698984-57-5 FD7285 (CAS 698984-57-5)
- 1-[2-(2-chloroacetyl)pyrrolidin-1-yl]-2,2,2-trifluoroethan-1-one (CAS 1565044-46-3)
Recommended Standards
- 2-Oxo-1,2-dihydroquinoline-7-sulfonyl chloride (CAS 1116135-36-4)
- 8-Chloro-5-isoquinolinesulfonic Acid (CAS 1246816-17-0)
- 1-(Pyridin-2-yl)-1H-pyrazole-4-sulfonyl chloride (CAS 1097223-12-5)
- 1-((5-Chlorothiophen-2-yl)methyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1249898-29-0)
- N-(2,4-difluorophenyl)-2-(pyrimidin-2-ylthio)acetamide (CAS 298215-11-9)
- 4'-((7-Oxo-5-propyl-1,7-dihydro-[1,2,4]triazolo[4,3-a]pyrimidin-6-yl)methyl)-[1,1'-biphenyl]-2-carboxamide (CAS 168152-96-3)
- 2-(tert-Butyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyrazine (CAS 914654-91-4)
- (2-chloro-7,8-dihydroquinolin-5-yl) trifluoromethanesulfonate (CAS 2752449-77-5)
- (4-Bromo-3-methoxyphenyl)(pyrrolidin-1-yl)methanone (CAS 876752-72-6)
- Benzenemethanamine, α-methyl-2-nitro-, (R)- (9CI) (CAS 122779-41-3)
- 2-(Aminomethyl)-3-(difluoromethyl)-6-hydroxy-5-(trifluoromethoxy)pyridine (CAS 1806011-61-9)
- 4-[3-(3-Methylphenyl)-1,2,4-oxadiazol-5-yl]-3-(methylsulfanyl)-1H-pyrazol-5-amine (CAS 1188304-91-7)
- 4-({[(4-tert-butylphenyl)sulfonyl]amino}methyl)benzoic acid (CAS 440350-92-5)
- Tirzepatide Impurity 61 (CAS CATO-C4X-324061)
Why CATO?
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