6-Methyl-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine CAS 66521-83-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 66521-83-3 |
| Molecular Formula | C8H11N3 |
| Molecular Weight | 149.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
6-Methyl-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine (CAS 66521-83-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H11N3. Molecular weight: 149.19 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H11N3 |
| Molecular Weight | 149.19 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- 2-Methyl-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine (CAS 1159882-42-4)
- 4-Methyl-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine (CAS 1187884-12-3)
- 2-Methyl-5,6,7,8-tetrahydropyrido[3,4-b]pyrazine (CAS 1260666-33-8)
- 6-Methyl-1,2,3,4-tetrahydropyrido[2,3-b]pyrazine (CAS 1260769-87-6)
- 8-Methyl-1,2,3,4-tetrahydropyrido[2,3-b]pyrazine (CAS 1260847-57-1)
- 8-Methyl-1,2,3,4-tetrahydropyrido[3,4-b]pyrazine (CAS 1934719-58-0)
- 5-Methyl-1,2,3,4-tetrahydropyrido[3,4-b]pyrazine (CAS 1935587-05-5)
- 1-Methyl-1,2,3,4-tetrahydropyrido[2,3-b]pyrazine (CAS 933733-84-7)
Recommended Standards
- 6-methyl-3,4-dihydro-2H-benzo[b][1,4]oxazine (CAS 71472-57-6)
- 7-Amino-2,3-dihydro-1H-inden-4-ol (CAS 69114-67-6)
- 6-Methyl-2,3-dihydro-1H-pyrrolizine-5-carbaldehyde (CAS 55041-87-7)
- 3-Benzyl-3-azabicyclo[4.1.0]heptan-6-ol (CAS 1354957-98-4)
- 1-Phenyl-2-naphthalenol (CAS 4919-96-4)
- 5,6-Dichloro-2-(Trifluoromethyl)-1H-Benzimidazol-4-Ol (CAS 19690-31-4)
- alpha-Chloro-3-fluorobenzaldoxime (CAS 58606-42-1)
- 5-(8-Ethynyl-6-(pyridin-2-yl)-4H-benzo[f]imidazo[1,5-a][1,4]diazepin-3-yl)oxazole (CAS 2014348-91-3)
- 3-Bromo-9-methoxy-5,6,7,8-tetrahydropyrazolo-[5,1-b]quinazoline (CAS 1429309-36-3)
- Semaglutide Impurity 142 (CAS CATO-C4X-2226142)
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