4-Methylpyrido[3,4-d]pyrimidine CAS 51752-73-9
| CAS No. | 51752-73-9 |
| Molecular Formula | C8H7N3 |
| Molecular Weight | 145.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Methylpyrido[3,4-d]pyrimidine (C8H7N3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
4-Methylpyrido[3,4-d]pyrimidine (CAS 51752-73-9), molecular formula C8H7N3 and molecular weight 145.16 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C8H7N3 |
| Molecular Weight | 145.16 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.) | 1971 |
| Nitrogen Atoms | 3 |
Related Methylpyrido Standards
- 8-Methylpyrido[2,3-b]pyrazine (CAS 1023817-02-8)
- 6-Methylpyrido[2,3-b]pyrazine (CAS 155629-96-2)
- 2-Methylpyrido[2,3-b]pyrazine (CAS 155629-97-3)
- 2-Methylpyrido[3,4-b]pyrazine (CAS 51208-84-5)
- 3-Methylpyrido[3,4-b]pyrazine (CAS 700-80-1)
- 4-Methylpyrido[2,3-d]pyrimidine (CAS 28732-71-0)
- 4-Methylpyrido[3,2-d]pyrimidine (CAS 51674-88-5)
- 7-Methylpyrido[2,3-b]pyrazine (CAS 397325-35-8)
Recommended Standards
- 4-phenyl-1,2-oxazole (CAS 2439-92-1)
- 4-Phenyloxazole (CAS 20662-89-9)
- 4-methylmorpholine-2-carboxylic acid (CAS 842949-48-8)
- 5-(hydroxymethyl)-1H-pyrrole-2-carboxylic acid (CAS 98140-76-2)
- 3-methyl-1-(phenylsulfanyl)butan-2-ol (CAS 343331-59-9)
- 2-Amino-1-(3-hydroxy-1-pyrrolidinyl)-2-methyl-1-propanone hydrochloride (CAS 1219971-87-5)
- Hept-6-ynal (CAS 67100-10-1)
- 5-Bromo-3-hydroxy-3-(2-(4-methoxyphenyl)-2-oxoethyl)indolin-2-one (CAS 258264-67-4)
- 1-(4-Fluorophenyl)-2-(2-nitrovinyl)-1H-pyrrole (CAS 593273-65-5)
- (S)-tert-Butyl 3-carbamoylpiperidine-1-carboxylate (CAS 88466-77-7)
- 6-Bromo-2-chloro-5-methylpyridin-3-amine (CAS 1935949-07-7)
- 3-bromoimidazo[1,2-a]pyridin-8-amine (CAS 1232431-81-0)
- 4-[(2-cyanoacetyl)amino]benzoic acid (CAS 31557-87-6)
- Mitogenic Pentapeptide (CAS 87173-03-3)
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