3-amino-2-ethylthieno[2,3-d]pyrimidin-4(3H)-one CAS 307342-26-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 307342-26-3 |
| Molecular Formula | C8H9N3OS |
| Molecular Weight | 195.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-amino-2-ethylthieno[2,3-d]pyrimidin-4(3H)-one (CAS 307342-26-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H9N3OS. Molecular weight: 195.24 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C8H9N3OS |
| Molecular Weight | 195.24 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.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related amino Standards
- 2-Amino-4-(ethylsulfonyl)butanoic acid (CAS 103364-66-5)
- 4-Amino-6-(1H-pyrrol-2-yl)-1,6-dihydro-1,3,5-triazine-2-thiol (CAS 1142208-43-2)
- 2-Amino-5-(methylsulfonyl)pentanoic acid (CAS 1342595-25-8)
- 3-Amino-6-methylbenzo[b]thiophene 1,1-dioxide (CAS 1421603-50-0)
- (S)-2-Amino-4-(ethylsulfonyl)butanoic acid (CAS 63596-32-7)
- 2-Amino-5,6-dimethyl-3h,4h-thieno[2,3-d]pyrimidin-4-one (CAS 74195-48-5)
- 3-Amino-2,6-dimethylthieno[2,3-d]pyrimidin-4(3h)-one (CAS 79927-76-7)
- 3-Amino-6-ethyl-3H-thieno[2,3-d]pyrimidin-4-one (CAS 568551-23-5)
Recommended Standards
- 3,4-Dimethoxyphenyl isothiocyanate (CAS 33904-04-0)
- 3-Ethylbenzo[d]isothiazole 1,1-dioxide (CAS 61798-56-9)
- 3,4-Dihydro-2H-benzo[b][1,4]thiazine-6-carboxylic acid (CAS 226259-31-0)
- Dimethyl 2,2,3,3,4,4-hexafluoropentanedioate (CAS 1513-62-8)
- Fmoc-5-bromo-DL-tryptophan (CAS 925939-82-8)
- 1-(4-Methoxybenzyl)piperazine Dihydrochloride (CAS 21868-01-9)
- 1020056-35-2 7546AC C15H14Cl2N2O2 N-(3-Amino-2-methylphenyl)-2-(2,4-dichlorophenoxy) acetamide (CAS 1020056-35-2)
- 5-((6-((Pyridin-4-ylmethyl)amino)pyrimidin-4-yl)amino)pyrazine-2-carbonitrile (CAS 1137475-35-4)
- 5-(Hydroxymethyl)bicyclo[3.2.2]Nonane-1-carbonitrile (CAS 2091895-14-4)
- Semaglutide impurity 201 (CAS CATO-C4X-2226201)
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