2-bromo-5-methyl-quinazoline CAS 1935903-24-4
| CAS No. | 1935903-24-4 |
| Molecular Formula | C9H17BrN2 |
| Molecular Weight | 233.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 2-bromo-5-methyl-quinazoline (CAS 1935903-24-4), a certified reference material (molecular formula C9H17BrN2, MW 233.15 g/mol) for analytical method development and quality control.
Structurally, 2-bromo-5-methyl-quinazoline (C9H17BrN2) contains a nitrile group, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 233.15 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 2-bromo-5-methyl-quinazoline meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C9H17BrN2 |
| Molecular Weight | 233.15 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related bromo Standards
- 2-bromo-2-methyl-1-phenylpropan-1-one (CAS 10409-54-8)
- 5-bromo-1,7-dimethyl-indazole (CAS 1092352-34-5)
- 6-bromo-2,3-dimethyl-2H-indazole (CAS 1142189-49-8)
- 5-bromo-2,7-dimethyl-indazole (CAS 1146637-10-6)
- 4-bromo-1,3-dimethyl-1H-indazole (CAS 1159511-76-8)
- 4-bromo-1,5-dimethyl-1H-indazole (CAS 1159511-77-9)
- 5-bromo-1,6-dimethyl-indazole (CAS 1159511-81-5)
- 7-bromo-1,3-dimethyl-1H-indazole (CAS 1159511-84-8)
Recommended Standards
- 3-bromo-4-methyl-1,5-naphthyridine (CAS 1820666-67-8)
- (1S,3r,4r,6r)-4-bromo-3,7,7-trimethylbicyclo[4.1.0]heptan-3-ol (CAS 23957-97-3)
- 4-Amino-5-methoxy-6-(trifluoromethoxy)nicotinonitrile (CAS 1803480-56-9)
- 1-Bromo-7-(prop-2-yn-1-yloxy)heptane (CAS 452340-33-9)
- Magnesium Trisilicate (CAS 14987-04-3)
- Methyl (2S,3R)-2,3-Dihydroxy-3-phenylpropanoate (CAS 124649-67-8)
- 1187169-04-5 3-(2,3-Dichlorobenzoyl)-4-methylpyridine MFCD13153184 (CAS 1187169-04-5)
- Furan-2-thiol (CAS 13129-35-6)
- 3-Ethyl4-(4-nitrophenyl)azophenylaminopropiononitrile (CAS 31482-56-1)
- Etizolam Impurity 8 (CAS 54123-29-4)
- benzyl N-[1-(N-hydroxycarbamimidoyl)-1-methylethyl]carbamate (CAS 518047-98-8)
- (s)-2-Amino-2-(o-tolyl)ethan-1-ol (CAS 1213107-41-5)
- 4-Ethyl-5-(4-nitrophenyl)-4h-1,2,4-triazole-3-thiol (CAS 29527-36-4)
- Insulin degludec (CAS 844439-96-9)
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