8-Methyl-3,4-dihydroquinazolin-4-one CAS 19181-54-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 19181-54-5 |
| Molecular Formula | C9H6N2O |
| Molecular Weight | 158.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
8-Methyl-3,4-dihydroquinazolin-4-one (CAS 19181-54-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H6N2O. Molecular weight: 158.16 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H6N2O |
| Molecular Weight | 158.16 g/mol |
| Appearance | Pale yellow to 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- 1,2-dihydroquinazolin-2-one (CAS 7471-58-1)
- 1-Methyl-1,4-dihydroquinazolin-4-ol (CAS 701898-98-8)
- 3,4-Dihydroquinazolin-4-one 4(1H)-Quinazolinone 4(3H)-Quinazolinone 4(3H)-Quinazolone 4-Hydroxyquinazoline 4-Oxo-3,4-dihydroquinazoline 4-Oxoquinazoline 4-Quinazolinol 4-Quinazolinone 4-Quinazolone 491-36-1 Quinazolinone (CAS 491-36-1)
- 3,4-Dihydroquinazolin-2(1H)-one (CAS 66655-67-2)
- 5,8-Dihydroquinazolin-4(1H)-one (CAS 99966-39-9)
- 5,8-Dihydroquinazolin-7(6H)-one (CAS 944895-94-7)
- 7,8-Dihydroquinazolin-6(5H)-one (CAS 944895-73-2)
- 6-methyl-1,2-dihydroquinazolin-2-one (CAS 113082-38-5)
Recommended Standards
- (2R,4R)-Methyl 4-amino-5-oxopyrrolidine-2-carboxylate (CAS 189450-23-5)
- 5-Ethynyl-1,3-dihydro-2H-benzo[d]imidazol-2-one (CAS 1928764-53-7)
- (2R,4S)-Methyl 4-amino-5-oxopyrrolidine-2-carboxylate (CAS 189450-22-4)
- 5-(Tert-butyl) 2-ethyl 4,6-dihydro-5H-pyrrolo[3,4-d]oxazole-2,5-dicarboxylate (CAS 1445951-26-7)
- 5,5-Dimethyl-2-(thiophen-2-yl)thiazolidine-4-carboxylic acid (CAS 56888-63-2)
- PIM447 (CAS 1210608-43-7)
- tert-Butyl 4-hydroxy-2,6-dimethylpiperidine-1-carboxylate (CAS 1330750-98-5)
- (S)-1-(3,6-Dibromo-9H-carbazol-9-yl)-3-((3-methoxyphenyl)amino)propan-2-ol (CAS 1235481-43-2)
- 3-Hydroxytyrosol 4-Glucuronide (CAS 948028-91-9)
- Fragment-[3-31]-Liraglutide (CAS CATO-C4X-199232)
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