5H-Pyrano[2,3-d]pyrimidine CAS 41688-96-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 41688-96-4 |
| Molecular Formula | C7H6N2O |
| Molecular Weight | 134.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5H-Pyrano[2,3-d]pyrimidine (CAS 41688-96-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H6N2O. Molecular weight: 134.14 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H6N2O |
| Molecular Weight | 134.14 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.) | 1968 |
| Nitrogen Atoms | 2 |
Related H Standards
- 1H-Pyrano[3,2-d]pyrimidine (CAS 35760-28-2)
- 1H-Pyrano[3,4-d]pyrimidine (CAS 36328-05-9)
- 5H-Pyrano[4,3-d]pyrimidine (CAS 23134-80-7)
- 7H-Pyrano[2,3-d]pyrimidine (CAS 254-69-3)
- 8H-pyrano[3,4-b]pyridin-8-one (CAS 134407-96-8)
- 4H-pyrano[3,2-b]pyridin-4-one (CAS 2060008-39-9)
- 7H-Pyrano[2,3-d]pyrimidin-7-one (CAS 4425-51-8)
- 2H-Pyrano[2,3-b]pyridin-3(4H)-one (CAS 1211515-40-0)
Recommended Standards
- 5-Formyl-1-methyl-1H-pyrrole-3-carbonitrile (CAS 40740-40-7)
- 5-Formyl-1-methyl-1H-pyrrole-2-carbonitrile (CAS 81698-03-5)
- 5-Hydrazinylpicolinonitrile (CAS 940959-28-4)
- 3-(3,5-Dimethylphenyl)-2-thiomethylpropiophenone (CAS 898780-41-1)
- 5-(4-Aminophenyl)-6-methyl-2,3-dihydro-1H-pyrrolo[3,4-d]pyridazine-1,4(6H)-dione (CAS 1110866-04-0)
- 1-Bromo-5-fluoro-4-methoxy-2-methylbenzene (CAS 550400-11-8)
- 2-Chloro-5-(pyrimidin-5-yl)benzoic acid (CAS 1248373-28-5)
- 6-Fluoro-2-Chloro-3-(methoxymethoxy)benzaldehyde (CAS 2179038-43-6)
- Dibenzyl aspartate 4-methylbenzenesulfonate (CAS 4079-62-3)
- [pGlu] Semaglutide (CAS CATO-C4X-2226288)
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