1-(4-Chlorophenyl)-3-methyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid CAS 326618-92-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 326618-92-2 |
| Molecular Formula | C13H9ClN2O2S |
| Molecular Weight | 292.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(4-Chlorophenyl)-3-methyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid (CAS 326618-92-2) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C13H9ClN2O2S. Molecular weight: 292.74 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C13H9ClN2O2S |
| Molecular Weight | 292.74 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 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) | 10.0 |
| 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 Chlorophenyl Standards
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- 2-{[(4-chlorophenyl)methyl]sulfanyl}-5-(furan-2-yl)-1,3,4-oxadiazole (CAS 119611-17-5)
- (2E)-2-[2-(4-Chlorophenyl)hydrazin-1-ylidene]-3-oxo-3-(thiophen-2-yl)propanal (CAS 338400-26-3)
- [6-(4-Chlorophenyl)imidazo[2,1-b][1,3]thiazol-3-yl]acetic acid (CAS 68347-92-2)
- 1-(2-Chlorophenyl)-3-methyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid (CAS 328028-97-3)
- 1-(3-Chlorophenyl)-3-methyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid (CAS 565171-07-5)
- 1-{1-[3-(4-chlorophenyl)-1,2,4-oxadiazol-5-yl]ethyl}piperazine (CAS 1000933-05-0)
- 3-[(1E)-1-[2-(4-Chlorophenyl)hydrazin-1-ylidene]ethyl]-4-hydroxy-6-methyl-2H-pyran-2-one (CAS 114658-00-3)
Recommended Standards
- 1-(4-Chlorobenzenesulfonyl)-1H-pyrrolo[2,3-b]pyridine (CAS 477857-52-6)
- 2-{[4-(chloromethyl)-1,3-thiazol-2-yl]methyl}-2,3-dihydro-1h-isoindole-1,3-dione (CAS 857549-83-8)
- 2-Chloro-5-fluoro-4-(4-phenyl-1-piperazinyl)pyrimidine (CAS 355821-33-9)
- Dibenzo[b,f]azocin-6(5H)-one (CAS 23112-88-1)
- 1-((4-Hydroxyphenyl)diazenyl)naphthalen-2-ol (CAS 14934-27-1)
- Tetrafluoroethanesultone (CAS 697-18-7)
- 3-(4-Methylphenoxy)benzonitrile (CAS 253679-51-5)
- CAS 17295-12-4 (CAS 17295-12-4)
- Insulin Degludec Impurity 8 (CAS CATO-C4X-21578)
- C-Peptide (human) (CAS 33017-11-7)
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