Thieno[3,4-b]pyrazine CAS 272-43-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 272-43-5 |
| Molecular Formula | C6H4N2S |
| Molecular Weight | 136.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Thieno[3,4-b]pyrazine (CAS 272-43-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C6H4N2S. Molecular weight: 136.17 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C6H4N2S |
| Molecular Weight | 136.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | 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.) | 1957 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Thieno Standards
- Thieno[2,3-b]pyrazine (CAS 56088-28-9)
- Thieno[2,3-c]pyridazine (CAS 58247-21-5)
- Thieno[2,3-d]pyridazine (CAS 272-15-1)
- Thieno[3,2- d]pyrimidine (CAS 272-68-4)
- Thieno[3,2-c]pyridazine (CAS 22390-25-6)
- 272-24-2 Thieno[2,3-d]pyrimidine DTXSID90481268 (CAS 272-24-2)
- Thieno[2,3-b]pyridine (CAS 272-23-1)
- Thieno[2,3-c]pyridine (CAS 272-12-8)
Recommended Standards
- CAS 2421217-08-3 (CAS 2421217-08-3)
- 3-(methylthio)-5-(trifluoromethyl)-1,2,4-triazol-4-amine 3-methylsulfanyl-5-(trifluoromethyl)-1,2,4-triazol-4-amine 5000-46-4 A827927 (CAS 5000-46-4)
- Methyl Cyclopropanesulfonate (CAS CATO-C3D-262840)
- 1-(2,5-Dichlorobenzyl)-3-methyl-1H-pyrazole-5-carbohydrazide (CAS 618070-45-4)
- 1-Hexyl-3-methyl-1H-imidazol-3-ium 1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonate (CAS 1001557-05-6)
- 1-Piperidin-4-yl-3-(2-trifluoromethyl-benzyl)-imidazolidin-2-one Hydrochloride (CAS 1984043-50-6)
- (2Z)-2-Fluorobut-2-enedioic acid (CAS 672-18-4)
- 1,3-Dimethoxy-2-nitrobenzene (CAS 6665-97-0)
- 2,4,6-Trioctyl-1,3,5,2,4,6-trioxatriborinane (CAS 142169-80-0)
- Semaglutide Impurity 165 (CAS CATO-C4X-2226165)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com