7-Methyl-3,4-dihydropyrimido[4,5-d]pyrimidin-2(1H)-one CAS 66840-33-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 66840-33-3 |
| Molecular Formula | C7H8N4O |
| Molecular Weight | 164.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 7-Methyl-3,4-dihydropyrimido[4,5-d]pyrimidin-2(1H)-one (CAS 66840-33-3) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C7H8N4O. Molecular weight: 164.16 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C7H8N4O |
| Molecular Weight | 164.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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.) | 1976 |
| Nitrogen Atoms | 4 |
Related Methyl Standards
- 5,6-Dihydropyrimido[5,4-e][1,2,4]triazin-5-ol (CAS 205926-63-2)
- 5,6-Dihydropyrimido[4,5-d]pyrimidin-2-ol (CAS 120267-08-5)
- 4,6-Dihydropyrimido[4,5-c]pyridazin-5(1H)-one (CAS 94295-32-6)
- 1,2-Dihydropyrimido[4,5-d]pyrimidin-4-amine (CAS 88526-65-2)
- 3-Methyl-1,2-dihydropyrimido[5,4-e][1,2,4]triazine (CAS 19801-82-2)
- 5,6-Dihydropyrimido[4,5-d]pyrimidin-2-amine (CAS 7702-65-0)
- 5-Methyl-1,2-dihydropyrimido[5,4-e][1,2,4]triazine (CAS 25624-79-7)
- 7-Methyl-1,2-dihydropyrimido[5,4-e][1,2,4]triazine (CAS 19801-87-7)
Recommended Standards
- 7-Methoxyisobenzofuran-1(3H)-one (CAS 28281-58-5)
- 8-Amino-4H-1,4-benzoxazin-3-one (CAS 321126-82-3)
- 7-Methoxybenzofuran-4-ol (CAS 80673-27-4)
- Methyl 4,4-Dimethyl-2-oxopyrrolidine-3-carboxylate (CAS 1434128-57-0)
- 1-(diisopropylphosphanyl)-N,N-dimethylmethanamine (CAS 62474-28-6)
- 2,2-Difluoro-1,3-benzodioxole-4-carboxaldehyde (CAS 119895-68-0)
- Methyl 2-(hydroxymethyl)piperidine-1-carboxylate (CAS 165104-66-5)
- Methyl 4-(2-oxo-2-(2-(3-oxocyclohex-1-en-1-yl)hydrazinyl)ethoxy)benzoate (CAS 1024244-01-6)
- Dimethyl 4,4'-(ethene-1,2-diyl)(Z)-dibenzoate (CAS 143130-82-9)
- Semaglutide impurity 77 (CAS CATO-C4X-222677)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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