7-Methyl-1,4-dihydropyrimido[4,5-d]pyrimidine CAS 31375-19-6
| CAS No. | 31375-19-6 |
| Molecular Formula | C7H8N4 |
| Molecular Weight | 148.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 7-Methyl-1,4-dihydropyrimido[4,5-d]pyrimidine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
7-Methyl-1,4-dihydropyrimido[4,5-d]pyrimidine (CAS 31375-19-6), molecular formula C7H8N4 and molecular weight 148.17 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H8N4, 7-Methyl-1,4-dihydropyrimido[4,5-d]pyrimidine contains a nitrile group, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 148.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H8N4 |
| Molecular Weight | 148.17 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Nitrogen Atoms | 4 |
Related Methyl Standards
- 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)
- 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)
- 5,6-Dihydropyrimido[5,4-e][1,2,4]triazin-5-ol (CAS 205926-63-2)
Recommended Standards
- 7-Methyl-[1,2,4]triazolo[4,3-a]pyridin-3-amine (CAS 5006-56-4)
- 7-Methyl-5H-pyrrolo[3,2-d]pyrimidin-4-amine (CAS 340736-32-5)
- 7H-Pyrrolo[2,3-d]pyrimidin-4-ylmethanamine (CAS 935505-76-3)
- 7-Methylpyrazolo[1,5-a]pyrimidin-3-amine (CAS 232600-95-2)
- 6-(3-(Pyrrolidin-1-ylsulfonyl)phenyl)pyridin-2-ol (CAS 1261974-45-1)
- 4-(2-Ethoxyethoxy)-3-isopropylbenzenesulfonyl chloride (CAS 1155916-27-0)
- 2-(3,4-Dimethylbenzyl)propane-1,3-diol (CAS 289902-88-1)
- 2-cyclopentyl-1-(pyridin-2-yl)ethan-1-one hydrochloride (CAS 1461715-57-0)
- 5-Amino-2-chloro-N-cyclopentylbenzamide (CAS 926273-46-3)
- 2-Chloro-N-(2-(2,4-dichlorophenoxy)ethyl)acetamide (CAS 138505-75-6)
- 4-Methoxy-2-(piperidin-3-yloxy)pyridine hydrochloride (CAS 1707714-44-0)
- 4-Chloro-2-(propan-2-yl)-6-(trifluoromethyl)pyrimidine (CAS 126439-51-8)
- 2-Methyl-4,6-diphenylpyrylium tetrafluoroborate (CAS 1911-95-1)
- Vialox Peptide(Pentapeptide-3) (CAS 135679-88-8)
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 18665070610 / Nicole.chen@cato-chem.com