N-(4-Chlorobenzoyl)-3-(1H-pyrrol-1-yl)-2-thiophenecarbohydrazide CAS 672925-34-7
| CAS No. | 672925-34-7 |
| Molecular Formula | C16H12ClN3O2S |
| Molecular Weight | 345.80 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of N-(4-Chlorobenzoyl)-3-(1H-pyrrol-1-yl)-2-thiophenecarbohydrazide is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
N-(4-Chlorobenzoyl)-3-(1H-pyrrol-1-yl)-2-thiophenecarbohydrazide (CAS 672925-34-7), molecular formula C16H12ClN3O2S and molecular weight 345.80 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C16H12ClN3O2S, N-(4-Chlorobenzoyl)-3-(1H-pyrrol-1-yl)-2-thiophenecarbohydrazide contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 345.80 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), N-(4-Chlorobenzoyl)-3-(1H-pyrrol-1-yl)-2-thiophenecarbohydrazide 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 | C16H12ClN3O2S |
| Molecular Weight | 345.80 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related N Standards
- N'-(2-chlorobenzoyl)-3-(1H-pyrrol-1-yl)thiophene-2-carbohydrazide (CAS 672925-35-8)
- N'-(3-chlorobenzoyl)-3-(1H-pyrrol-1-yl)thiophene-2-carbohydrazide (CAS 672925-18-7)
- Methyl 2-(4-(4-chlorobenzoyl)-3,4-dihydro-2H-benzo[b][1,4]oxazin-3-yl)acetate (CAS 861209-26-9)
- Methyl 2-[4-(3-chlorobenzoyl)-3,4-dihydro-2H-1,4-benzoxazin-3-yl]acetate (CAS 439096-36-3)
- 1-(4-Chlorobenzoyl)-4-{[3-(propan-2-yl)-1,2,4-oxadiazol-5-yl]methyl}piperidine (CAS 1775403-33-2)
- 3-(4-Chlorobenzoyl)-6,7-dimethoxyquinolin-4(1H)-one (CAS 1326902-13-9)
- N-((2-chlorobenzoyl)oxy)-2-(4,5-dichloro-1H-imidazol-1-yl)acetamide (CAS 649663-38-7)
- (2-Chlorobenzoyl)-l-tryptophan (CAS 39545-26-1)
Recommended Standards
- N-(3-Chlorophenyl)-2-((5-phenyl-1,3,4-oxadiazol-2-yl)thio)acetamide (CAS 332101-20-9)
- N-(4-Chlorophenyl)-2-((5-phenyl-1,3,4-oxadiazol-2-yl)thio)acetamide (CAS 81511-65-1)
- N-(5-(2-Chlorophenyl)-1,3,4-oxadiazol-2-yl)-2-(phenylthio)acetamide (CAS 895487-48-6)
- N-(2-Chlorophenyl)-2-((6-(furan-2-yl)pyridazin-3-yl)thio)acetamide (CAS 922891-72-3)
- N-(tert-Butyl)-2-(piperidin-4-yloxy)acetamide (CAS 912761-67-2)
- (R)-N-(4-((3-Chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)but-2-enamide (CAS 439081-17-1)
- Methyl 3-4-di-O-acetyl-D-glucuronal (CAS 57690-62-7)
- 1-4:6-3-Glucarodilactone (CAS 826-91-5)
- 4-(6-Isopropyl-1H-benzo[d]imidazol-2-yl)aniline (CAS 303099-05-0)
- 6-(Chloromethyl)-N2-(2-methoxy-5-methylphenyl)-1,3,5-triazine-2,4-diamine (CAS 1379811-75-2)
- 4-Chloro-5-(4-fluorophenyl)thieno[2,3-d]pyrimidine (CAS 384351-45-5)
- 1-(1H-Pyrrolo[2,3-b]pyridin-6-yl)propan-1-one (CAS 1427501-92-5)
- 3-Methyl-2-(piperidin-3-yloxy)pyridine hydrochloride (CAS 1779126-53-2)
- Tirzepatide Impurity 58 (CAS CATO-C4X-324058)
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