7H-Pyrano[2,3-d]pyrimidine CAS 254-69-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 254-69-3 |
| Molecular Formula | C7H6N2O |
| Molecular Weight | 134.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 7H-Pyrano[2,3-d]pyrimidine (CAS 254-69-3) pharmaceutical standards reference standard. Molecular formula: C7H6N2O. Molecular weight: 134.14 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
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.) | 1957 |
| 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[2,3-d]pyrimidine (CAS 41688-96-4)
- 5H-Pyrano[4,3-d]pyrimidine (CAS 23134-80-7)
- 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
- 6-Methylpyridine-2-carbonitrile 1-oxide (CAS 933796-37-3)
- 7-Hydroxy-1H-indazole (CAS 81382-46-9)
- 6-Methylene-6,9-dihydro-3H-purine (CAS 208994-81-4)
- (3-Nitro-4-phenoxyphenyl)methyl N-(3,5-dichlorophenyl)carbamate (CAS 338960-68-2)
- (±)13-HODE (CAS 73804-64-5)
- (pyridin-2-ylmethyl)magnesium bromide (CAS 121719-36-6)
- 1,2,3,4-Tetramethyl-5,6-dinitrobenzene (CAS 18801-63-3)
- [(1R,2R)-2-amino-1,2-diphenylethyl(methanesulfonamido)](p-cymene)ruthenium(II) diphenyl phosphate (CAS 1637287-17-2)
- α-2’-Deoxy Zebularine (CAS 68780-64-3)
- D-Pro31-Tirzepatide (CAS CATO-CPTD788905)
Why CATO?
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