2-(2-(3-Chlorobenzo[b]thiophene-2-carbonyl)hydrazine-1-carbonyl)benzoic acid CAS 315249-05-9
| CAS No. | 315249-05-9 |
| Molecular Formula | C17H11ClN2O4S |
| Molecular Weight | 374.80 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-(2-(3-Chlorobenzo[b]thiophene-2-carbonyl)hydrazine-1-carbonyl)benzoic acid.
2-(2-(3-Chlorobenzo[b]thiophene-2-carbonyl)hydrazine-1-carbonyl)benzoic acid (CAS 315249-05-9) is a high-purity analytical reference standard with the molecular formula C17H11ClN2O4S and a molecular weight of 374.80 g/mol.
Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution, 2-(2-(3-Chlorobenzo[b]thiophene-2-carbonyl)hydrazine-1-carbonyl)benzoic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 374.80 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 2-(2-(3-Chlorobenzo[b]thiophene-2-carbonyl)hydrazine-1-carbonyl)benzoic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C17H11ClN2O4S |
| Molecular Weight | 374.80 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chlorobenzo Standards
- (3-Chlorobenzo[b]thiophen-2-yl)(4-(4-fluorophenyl)piperazin-1-yl)methanone (CAS 351329-77-6)
- N-(6-Chlorobenzo[d]thiazol-2-yl)-2-(1,3-dioxoisoindolin-2-yl)acetamide (CAS 125670-90-8)
- 3-(5-Chlorobenzo[d]oxazol-2-yl)-N-(4-chlorobenzyl)pyridin-2-amine (CAS 339102-11-3)
- 10-Chlorobenzo[e]benzo[4,5]imidazo[1,2-c][1,2,3]triazine (CAS 10211-11-7)
- (4-(4-Chlorobenzo[d]thiazol-2-yl)piperazin-1-yl)(cyclohexyl)methanone (CAS 897479-08-2)
- Ethyl 3-(4-((6-chlorobenzo[d]oxazol-2-yl)oxy)phenoxy)propanoate (CAS 116573-18-3)
- 3-(5-Chlorobenzo[d]thiazol-2-yl)-2-phenylquinazolin-4(3H)-one (CAS 82450-43-9)
- 3-(6-Chlorobenzo[d]thiazol-2-yl)-2-phenylquinazolin-4(3H)-one (CAS 82450-44-0)
Recommended Standards
- (4-Amino-2-((4-chlorophenyl)amino)thiazol-5-yl)(3-nitrophenyl)methanone (CAS 339020-37-0)
- Methyl 1-(4-chlorophenyl)-6-oxo-4-(pyrimidin-2-ylthio)-1,6-dihydropyridazine-3-carboxylate (CAS 338756-23-3)
- Ethyl 4-(2-chloro-6-fluorophenyl)-6-hydroxy-2-phenyl-4,5-dihydro-5-pyrimidinecarboxylate (CAS 477867-24-6)
- N-(4-chlorophenyl)-3-(2-nitrophenoxy)thiophene-2-carboxamide (CAS 252027-03-5)
- N-(2-Fluorobenzyl)-4-methylaniline (CAS 723753-88-6)
- 1-(4-Methoxyphenyl)-N-(pyridin-2-ylmethyl)ethan-1-amine (CAS 626216-06-6)
- 4,4'-Dibromo-2,2',6,6'-tetrafluoro-1,1'-biphenyl (CAS 646508-02-3)
- n1-(3-Chlorophenyl)-n1,n2-dimethylethane-1,2-diamine (CAS 103441-56-1)
- 6-(4-Oxo-2H-benzo[e][1,3]oxazin-3(4H)-yl)hexanoic acid (CAS 886501-89-9)
- 7-Methoxy-1,3-dimethyl-1H-indole (CAS 86915-21-1)
- Copper(II)-4,4',4'',4'''-tetraaminophthalocyanine (CAS 14654-63-8)
- 4-(2,4-Dichlorophenyl)-3-methyl-1H-pyrazol-5-amine hydrochloride (CAS 232615-99-5)
- Fulvestrant Impurity 21 (CAS 261506-24-5)
- Tirzepatide Impurity 1 (CAS 2460751-66-8)
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