5,6-dimethylthieno[2,3-d]pyrimidin-4-amine CAS 4994-89-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4994-89-2 |
| Molecular Formula | C8H17N3S |
| Molecular Weight | 187.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5,6-dimethylthieno[2,3-d]pyrimidin-4-amine (CAS 4994-89-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H17N3S. Molecular weight: 187.31 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C8H17N3S |
| Molecular Weight | 187.31 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) | 2.0 |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related dimethylthieno Standards
- 5,6-Dimethylthieno[2,3-d]pyrimidin-4(3H)-one (CAS 18593-44-7)
- 2,6-Dimethylthieno[3,2-d]pyrimidin-4-amine (CAS 1017789-22-8)
- 4,6-Dimethylthieno[2,3-b]pyridin-3(2H)-one (CAS 55023-32-0)
- 5,6-Dimethylthieno[2,3-d]pyrimidine-2,4(1H,3H)-dione (CAS 35970-82-2)
- 3,4-Dimethylthieno[2,3-b]thiophene-2-carboxaldehyde (CAS 159709-36-1)
- 5,6-Dimethylthieno[2,3-d]pyrimidine-4-thiol (CAS 307512-33-0)
- 3,6-Dimethylthieno[3,2-b]thiophene-2,5-dione (CAS 64942-17-2)
- 3,4-Dimethylthieno[2,3-b]thiophene (CAS 175202-58-1)
Recommended Standards
- 3-Amino-1-(2-methylcyclohexyl)thiourea (CAS 748776-62-7)
- 5-methyl-4-(methylsulfanyl)pyrrolo[2,1-f][1,2,4]triazine (CAS 859205-88-2)
- 3-(4-(Methylthio)piperazin-1-yl)propanamide (CAS 24812-55-3)
- 2-Chloro-6-(4-(2-chloro-4-nitrophenyl)buta-1,3-dien-1-yl)benzene-1-sulfonyl fluoride (CAS 31368-31-7)
- 4-Bromo-N'-hydroxybenzimidamide (CAS 19227-14-6)
- 2-Hydroxy-6-methyl-3-(1-(2-phenylhydrazono)ethyl)-4H-pyran-4-one (CAS 137934-93-1)
- Apixaban Impurity 171 (CAS CATO-C4X-1088171)
- 5-Cyano-2-methylbenzoic acid (CAS 1975-54-8)
- Methyl 1-(4-fluorobenzenesulfonyl)-1H-pyrrole-2-carboxylate (CAS 866154-30-5)
- Semaglutide impurity 56 (CAS CATO-C4X-222656)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com