Pyrido[2,3-d]pyrimidine CAS 254-61-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 254-61-5 |
| Molecular Formula | C7H5N3 |
| Molecular Weight | 131.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Pyrido[2,3-d]pyrimidine (CAS 254-61-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C7H5N3. Molecular weight: 131.13 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C7H5N3 |
| Molecular Weight | 131.13 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.) | 1957 |
| Nitrogen Atoms | 3 |
Related Pyrido Standards
- Pyrido[2,3-b]pyrazine (CAS 322-46-3)
- Pyrido[2,3-c]pyridazine (CAS 6133-99-9)
- Pyrido[3,2-d]pyrimidine (CAS 254-80-8)
- Pyrido[3,4-b]pyrazine (CAS 254-86-4)
- Pyrido[3,4-d]pyrimidine (CAS 253-86-1)
- Pyrido[4,3-d]pyrimidine (CAS 253-87-2)
- Pyrido[2,3-e][1,2,4]triazine (CAS 254-97-7)
- 9AH-pyrido[1,2-a]pyrazine (CAS 50791-02-1)
Recommended Standards
- N-Nitroso-N-propyl Urea, Contains 40% Water, ~2% Acetic Acid (CAS 816-57-9)
- N-methoxy-N-methyl-2-oxopropanamide (CAS 914220-85-2)
- N-Formylglycine Ethyl Ester (CAS 3154-51-6)
- (3-Bromo-1H-pyrazolo[4,3-c]pyridin-6-yl)(1,4-oxazepan-4-yl)methanone (CAS 2416819-52-6)
- 2-Amino-2-methylbutanenitrile (CAS 4475-95-0)
- (4S,4′S)-2,2′-(5,5′-Dichloro[1,1′-biphenyl]-2,2′-diyl)bis[4,5-dihydro-4-phenyloxazole] (CAS 944133-16-8)
- 2-[5-(4-chlorophenyl)-2h-1,2,3,4-tetrazol-2-yl]butanoic acid (CAS 436096-42-3)
- 2-Chloro-1-naphthoic acid (CAS 7720-42-5)
- 2-(6-Chloro-3-pyridazinyl)-2-phenylacetonitrile 73535-73-6 8983AE C12H8ClN3 (CAS 73535-73-6)
- Semaglutide impurity 194 (CAS CATO-C4X-2226194)
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