5-Ethynyl-4-methoxypyrimidine CAS 219915-20-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 219915-20-5 |
| Molecular Formula | C7H6N2O |
| Molecular Weight | 134.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Ethynyl-4-methoxypyrimidine (CAS 219915-20-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H6N2O. Molecular weight: 134.14 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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.) | 2019 |
| Nitrogen Atoms | 2 |
Related Ethynyl Standards
- 3-Ethynyl-6-methoxypyridazine (CAS 1019331-16-8)
- 5-Ethynyl-2-methoxypyrimidine (CAS 1059705-07-5)
- 2-Ethynyl-6-methoxypyrazine (CAS 1196153-43-1)
- 2-Ethynyl-3-methoxypyrazine (CAS 1357945-86-8)
- 2-Ethynyl-5-methoxypyrazine (CAS 1374115-62-4)
- 2-Ethynyl-4-methoxypyrimidine (CAS 161489-04-9)
- 2-Ethynyl-5-methoxypyrimidine (CAS 2400905-32-8)
- 2-Ethynyl-4-fluoro-1-methylbenzene (CAS 1233512-88-3)
Recommended Standards
- 5-Cyano-2-methylpyridine 1-oxide (CAS 31795-59-2)
- 5-Formyl-1-methyl-1H-pyrrole-2-carbonitrile (CAS 81698-03-5)
- 5-Aminobenzoxazole (CAS 63837-12-7)
- 5-Bromo-N-(2-methoxyethyl)-2-nitropyridin-3-amine (CAS 2401894-62-8)
- Methyl 4-(tert-butylamino)-3-nitrobenzoate (CAS 1415819-82-7)
- Ulipristal-d6 Acetate (CAS 1621894-64-1)
- (S)-3-Amino-4-(4-fluorophenyl)butanoic acid hydrochloride (CAS 331763-68-9)
- 5-Chloro-2-(4-chloro-3,5-dimethyl-1H-pyrazol-1-yl)-4-(4-chlorophenyl)-1,3-thiazole (CAS 956187-27-2)
- 6-Bromo-3-phenyl-2,4(1H,3H)-quinazolinedione (CAS 23965-11-9)
- (Des-Bromo)-Neuropeptide B (1-23) (human) (CAS 434897-64-0)
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