3-Chloro-4-(3-nitrophenyl)-1,2,5-thiadiazole CAS 201206-43-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 201206-43-1 |
| Molecular Formula | C8H4ClN3O2S |
| Molecular Weight | 241.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Chloro-4-(3-nitrophenyl)-1,2,5-thiadiazole (CAS 201206-43-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H4ClN3O2S. Molecular weight: 241.65 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H4ClN3O2S |
| Molecular Weight | 241.65 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2014 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 4-Chloro-1-((2-fluorophenoxy)methyl)-1,2-dihydro-3h-pyrazol-3-imine (CAS 1006435-98-8)
- 2-Chloro-5-(2-nitrophenyl)-1,3,4-thiadiazole (CAS 113111-44-7)
- Ethyl 5-chloro-7-fluoro-1H-indole-2-carboxylate (CAS 1204501-37-0)
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- Ethyl 6-chloro-5-fluoro-1H-indole-2-carboxylate (CAS 169674-00-4)
- 5-chloro-4-(3-nitrophenyl)-1,2,3-thiadiazole (CAS 1909327-27-0)
- 2-Chloro-5-(4-nitrophenyl)-1,3,4-thiadiazole (CAS 19430-32-1)
- (3-Chloro-4-(prop-2-yn-1-ylamino)phenyl)dimethylphosphine oxide (CAS 2903923-15-7)
Recommended Standards
- 2-Chloro-5-(3-nitrophenyl)-1,3,4-thiadiazole (CAS 88541-06-4)
- 4-(4-Chloro-3-nitrophenyl)-1,2,3-thiadiazole (CAS 337924-91-1)
- 2-(3-Chloro-4-fluorophenoxy)-N-(prop-2-yn-1-yl)acetamide (CAS 923243-39-4)
- 3,5-Dichlorobenzo[b]thiophene-2-carbaldehyde (CAS 1095081-89-2)
- Triptotriterpenic acid A (CAS 84108-17-8)
- 3-Cyano-6-methyl-4-(trifluoromethyl)picolinic acid (CAS 1565827-83-9)
- 3,5-Dichloro-2-(cyclopropylmethoxy)benzaldehyde (CAS 883532-17-0)
- N-(2-(Diethylamino)ethyl)-2,2-diphenoxyacetamide (CAS 339573-04-5)
- 4-Bromo-2-{[(propan-2-yl)amino]methyl}phenol hydrochloride (CAS 1240566-48-6)
- Semaglutide impurity 200 (CAS CATO-C4X-2226200)
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