1,2,3,4-Tetrahydropyrimido[5,4-d]pyrimidine CAS 13665-57-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 13665-57-1 |
| Molecular Formula | C6H8N4 |
| Molecular Weight | 136.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,2,3,4-Tetrahydropyrimido[5,4-d]pyrimidine (CAS 13665-57-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C6H8N4. Molecular weight: 136.15 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C6H8N4 |
| Molecular Weight | 136.15 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.) | 1960 |
| Nitrogen Atoms | 4 |
Related Tetrahydropyrimido Standards
- 3,4,7,8-Tetrahydropyrimido[5,4-d]pyrimidine (CAS 98135-33-2)
- 1,2,3,4-Tetrahydropyrimido[1,2-a]benzimidazole (CAS 27285-86-5)
- 1,3,4,10B-tetrahydropyrimido[2,1-a]isoindol-6(2H)-one (CAS 18440-63-6)
- 6-Oxo-2,3,4,6-tetrahydropyrimido[2,1-b][1,3]thiazine-7-carbonitrile (CAS 2110053-04-6)
- 1,2,3,4-Tetrahydropyrimido[1,2-a]benzimidazole hydrochloride 1417569-94-8 (CAS 1417569-94-8)
- 1,2,3,4-Tetrahydropyrimido[1,2-α]indole HCl (CAS 42456-83-7)
- 5-Methyl-1,2,3,4-tetrahydropyrimido[1,6-a]indole (CAS 54981-16-7)
Recommended Standards
- (S)-2-(2-Hydroxyethoxy)-2-methoxyethanol (CAS 136418-24-1)
- 1,4,5,6-Tetrahydro-7H-pyrrolo[2,3-c]pyridin-7-one (CAS 1369369-79-8)
- 2-Methoxybenzaldehyde (CAS 135-02-4)
- methyl thietane-2-carboxylate (CAS 140701-10-6)
- 1-Piperidin-4-yl-azepane dihydrochloride (CAS 436099-86-4)
- 2,4-Dimethyl-1H-imidazol-5-amine hydrochloride (CAS 50774-58-8)
- 3-Isobutyl-1-phenyl-1H-pyrazol-5-ol (CAS 13051-47-3)
- Esmolol Impurity 18 (CAS CATO-C4X-189118)
- 1,2-Dimethylanthracene-9,10-dione (CAS 71265-31-1)
- (Glu9)-Exenatide (2-39) trifluoroacetate salt (CAS 196109-34-9)
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