5,7-Dihydrothieno[3,4-d]pyrimidin-4-ol CAS 5719-29-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5719-29-9 |
| Molecular Formula | C6H6N2OS |
| Molecular Weight | 154.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5,7-Dihydrothieno[3,4-d]pyrimidin-4-ol (CAS 5719-29-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H6N2OS. Molecular weight: 154.19 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C6H6N2OS |
| Molecular Weight | 154.19 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Dihydrothieno Standards
- 6,7-Dihydrothieno[3,2-d]pyrimidin-2-amine (CAS 1332627-32-3)
- 3-methyl-5,6-dihydrothieno[2,3-c]pyrrol-4-one (CAS 2789682-54-6)
- 2-Methyl-5,7-dihydrothieno[3,4-d]pyrimidine (CAS 36267-71-7)
- (2,3-Dihydrothieno[3,4-b]furan-6-yl)methanol (CAS 2314461-86-2)
- 2,3-Dihydrothieno[3,4-b][1,4]dioxin-5-amine (CAS 932371-14-7)
- 4,6-Dihydrothieno[3,4-b]thiophene (CAS 7712-08-5)
- 2,3-Dihydrothieno[3,4-d]pyridazine-1,4-dione (CAS 412338-39-7)
- 5,6-Dihydrothieno[2,3-d]pyridazine-4,7-dione (CAS 91533-21-0)
Recommended Standards
- 5-(Prop-2-yn-1-ylthio)-1H-1,2,4-triazol-3-amine (CAS 53918-44-8)
- 5-Acetylthiophene-2-carbaldehyde (CAS 4565-29-1)
- 5-(Dimethylamino)-1,3,4-thiadiazole-2-carbonitrile (CAS 50878-80-3)
- 1-(1,1-Dimethylethyl) (3S)-3-(carboxymethoxy)-1-pyrrolidinecarboxylate (CAS 895126-64-4)
- 3-(4-Bromobenzyl)benzo[d][1,2,3]triazin-4(3H)-one (CAS 478246-15-0)
- 1,1'-(Carbonylbis(4,1-phenylene))bis(3-methyl-1H-imidazol-3-ium) iodide (CAS 318949-46-1)
- 3-Chloro-4,7-difluorobenzo[b]thiophene-2-carboxylic acid (CAS 1314399-70-6)
- (1R,3R)-3-((tert-butoxycarbonyl)amino)-1-methylcyclohexane-1-carboxylic acid (CAS 2165979-04-2)
- 1-(3-Pyridyl)-1-propylamine 60289-67-0 MFCD09802326 SY014378 (CAS 60289-67-0)
- Semaglutide impurity 255 (CAS CATO-C4X-2226255)
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