7-Chlorothieno[2,3-b]pyrazine CAS 59944-74-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 59944-74-0 |
| Molecular Formula | C6H3ClN2S |
| Molecular Weight | 170.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Chlorothieno[2,3-b]pyrazine (CAS 59944-74-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H3ClN2S. Molecular weight: 170.62 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H3ClN2S |
| Molecular Weight | 170.62 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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 |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chlorothieno Standards
- 2-Chlorothieno[3,2-d]pyrimidine (CAS 1119280-68-0)
- 4-Chlorothieno[3,4-d]pyrimidine (CAS 1196155-02-8)
- 4-Chlorothieno[2,3-d]pyrimidine (CAS 14080-59-2)
- 4-Chlorothieno[3,2-d]pyrimidine (CAS 16269-66-2)
- 4-Chlorothieno[2,3-d]pyridazine (CAS 697-68-7)
- 7-Chlorothieno[2,3-d]pyridazine (CAS 697-71-2)
- 7-Chlorothieno[3,2-d]pyrimidine (CAS 31492-65-6)
- 6-Chlorothieno[3,2-c]pyridine (CAS 1781989-24-9)
Recommended Standards
- 7-Chloroisothiazolo[4,5-b]pyridine (CAS 2766230-58-2)
- 7-Chlorobenzo[d][1,2,3]thiadiazole (CAS 23621-88-7)
- 6-Chlorothiazolo[5,4-b]pyridine (CAS 886373-54-2)
- 2-Methoxy-6,7-dihydro-5H-pyrrolo[3,4-d]pyrimidine dihydrochloride (CAS 1255099-03-6)
- 2-(azidomethyl)-2,3-dihydro-1,4-benzodioxine (CAS 128318-80-9)
- N-(N-(3,4-dimethylphenyl)carbamimidoyl)hydrazinecarboximidamide hydrochloride (CAS 1171647-17-8)
- 2-Phenyl-hexahydro-1H-pyrrolo[1,2-c]imidazole-1,3,6-trione (CAS 318247-26-6)
- 3-(Difluoromethyl)-5-nitro-4-(trifluoromethyl)picolinonitrile (CAS 1807159-20-1)
- 3-(4-Amino-3-methylphenoxy)propan-1-ol (CAS 1138140-74-5)
- Peptide 437 (CAS CATO-CPTD788437)
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