4-Methylpyrido[3,2-d]pyrimidine CAS 51674-88-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 51674-88-5 |
| Molecular Formula | C8H7N3 |
| Molecular Weight | 145.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Methylpyrido[3,2-d]pyrimidine (CAS 51674-88-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H7N3. Molecular weight: 145.16 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H7N3 |
| Molecular Weight | 145.16 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
| Nitrogen Atoms | 3 |
Related Methylpyrido Standards
- 8-Methylpyrido[2,3-b]pyrazine (CAS 1023817-02-8)
- 6-Methylpyrido[2,3-b]pyrazine (CAS 155629-96-2)
- 2-Methylpyrido[2,3-b]pyrazine (CAS 155629-97-3)
- 2-Methylpyrido[3,4-b]pyrazine (CAS 51208-84-5)
- 3-Methylpyrido[3,4-b]pyrazine (CAS 700-80-1)
- 4-Methylpyrido[2,3-d]pyrimidine (CAS 28732-71-0)
- 4-Methylpyrido[3,4-d]pyrimidine (CAS 51752-73-9)
- 7-Methylpyrido[2,3-b]pyrazine (CAS 397325-35-8)
Recommended Standards
- 4-methylmorpholine-2-carboxylic acid (CAS 842949-48-8)
- 4-phenyl-1,2-oxazole (CAS 2439-92-1)
- 4-Methyl-4-nitrovaleraldehyde (CAS 57620-49-2)
- Poly(<I>N</I>-isopropylacrylamide-<I>co</I>-methacrylic acid) (CAS 151954-97-1)
- 2-hydroxyspiro[3.3]heptane-6-carboxylic acid (CAS 889944-59-6)
- 1-Methyl-1h-indole-5-sulfonyl chloride (CAS 859850-75-2)
- 2-D08 (CAS 144707-18-6)
- 1-(2,3-Dichlorophenyl)-3-phenylurea (CAS 13142-52-4)
- Brivaracetam Impurity 118 (CAS CATO-C4X-2007118)
- Hexapeptide-11 (CAS 100684-36-4)
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