N'-(3-chlorobenzoyl)thieno[2,3-b]quinoline-2-carbohydrazide CAS 478079-50-4
| CAS No. | 478079-50-4 |
| Molecular Formula | C19H12ClN3O2S |
| Molecular Weight | 381.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, N'-(3-chlorobenzoyl)thieno[2,3-b]quinoline-2-carbohydrazide (C19H12ClN3O2S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 381.84 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
N'-(3-chlorobenzoyl)thieno[2,3-b]quinoline-2-carbohydrazide (CAS 478079-50-4), molecular formula C19H12ClN3O2S and molecular weight 381.84 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.
As a certified reference material (CRM), N'-(3-chlorobenzoyl)thieno[2,3-b]quinoline-2-carbohydrazide 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 | C19H12ClN3O2S |
| Molecular Weight | 381.84 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related N Standards
- (2E)-3-[4-(3-Chlorobenzoyl)-1-methyl-1H-pyrrol-2-yl]-2-[5-(dimethylamino)-1,3,4-oxadiazol-2-yl]prop-2-enenitrile (CAS 338978-23-7)
- 3-[1-(4-Chlorobenzoyl)piperidin-4-yl]-4-phenyl-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 1775454-98-2)
- 3-[1-(3-Chlorobenzoyl)piperidin-4-yl]-4-phenyl-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 1775518-98-3)
- 3-(4-Chlorobenzoyl)-4-(2-fluorophenyl)-1-phenylpyrrolidine (CAS 343374-90-3)
- 5-[1-(3-Chlorobenzoyl)pyrrolidin-2-yl]-3-(4-methoxyphenyl)-1,2,4-oxadiazole (CAS 855129-92-9)
- N'-(3-chlorobenzoyl)-8-methyl-8H-thieno[2,3-b]indole-2-carbohydrazide (CAS 477869-02-6)
- N'-(4-chlorobenzoyl)-3-(1H-pyrrol-1-yl)benzofuran-2-carbohydrazide (CAS 866040-18-8)
- 4-[5-(4-Chlorobenzoyl)-3-(pyridin-2-yl)thiophen-2-yl]morpholine (CAS 339023-17-5)
Recommended Standards
- 4-Chloro-2-(4-nitrobenzyl)-5-phenylthieno[2,3-d]pyrimidine (CAS 885460-49-1)
- Trichloro(11-phenoxyundecyl)silane (CAS 526204-46-6)
- (E)-6-phenylimidazo[2,1-b]thiazole-5-carbaldehyde O-(4-chlorobenzoyl) oxime (CAS 338404-80-1)
- (2E)-2-(4-Chlorobenzenesulfonyl)-3-(4-methanesulfonylphenyl)prop-2-enenitrile (CAS 1025312-02-0)
- 107846-11-7 5-Bromo-5-chloro-1,3-dimethylimidazolidine-2,4-dione DTXSID80620982 (CAS 107846-11-7)
- (E)-N'-(2,4,6-Trifluorobenzylidene)-2-(trifluoromethyl)benzenesulfonohydrazide (CAS 2477727-84-5)
- Methyl (3-phenylallylidene)carbamate (CAS 909781-37-9)
- (S)-(2-Amino-5-methoxy-4-((triisopropylsilyl)oxy)phenyl)(2-(((tert-butyldimethylsilyl)oxy)methyl)-4-methyl-2,3-dihydro-1H-pyrrol-1-yl)methanone (CAS 1430738-23-0)
- Methyl 2-amino-5-fluoroquinazoline-7-carboxylate (CAS 1422188-61-1)
- 3-(4-Methoxyphenyl)bicyclo[1.1.1]Pentane-1-carboxylic acid (CAS 156329-83-8)
- 1-(1-(2-Methoxy-4-nitrophenyl)piperidin-4-yl)-4-methylpiperazine (CAS 1254058-33-7)
- Diphenyl adamantan-1-ylphosphoramidate (CAS 49802-24-6)
- (R)-2-amino-4-(3-bromophenyl)butanoic acid (CAS 1260596-20-0)
- Peptide Impurity 12 (CAS CATO-CPTD788812)
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