2,4-Dichlorobenzo[g]quinazoline CAS 33987-01-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 33987-01-8 |
| Molecular Formula | C12H6Cl2N2 |
| Molecular Weight | 249.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,4-Dichlorobenzo[g]quinazoline (CAS 33987-01-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H6Cl2N2. Molecular weight: 249.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H6Cl2N2 |
| Molecular Weight | 249.10 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 | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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- 2,3-Dichlorobenzo[g]quinoxaline (CAS 19187-03-2)
- 2,3-Dichlorobenzo[b]thiophene-7-carboxylic acid (CAS 1934572-26-5)
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- 6,7-Dichlorobenzo[4,5]imidazo[2,1-b]thiazol-3(2H)-one (CAS 866144-64-1)
- Methyl 3,4-dichlorobenzo[b]thiophene-2-carboxylate (CAS 444905-19-5)
- Methyl 3,6-dichlorobenzo[b]thiophene-2-carboxylate (CAS 21211-18-7)
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Recommended Standards
- 1-(8-bromo-1-naphthyl)ethanone (CAS 271572-76-0)
- 2,6-Dichloro-4-phenylnicotinonitrile (CAS 37860-86-9)
- 1-(7-bromonaphthalen-2-yl)ethanone (CAS 72775-29-2)
- 5,8-Dichloropyrazino[2,3-d]pyridazine (CAS 13480-43-8)
- 3-Amino-2-[(2-aminoethyl)amino]benzoic acid (CAS 394655-20-0)
- 4-Pyrimidin-2-yl-piperazine-1,3-dicarboxylic acid 1-tert-butyl ester (CAS 1185313-57-8)
- (3-Methoxyphenyl)(pyrrolidin-1-yl)methanone (CAS 207558-39-2)
- (S)-Baxdrostat Impurity 19 (CAS 2649597-45-3)
- 1-[(3-methylphenyl)carbamoyl]piperidine-4-carboxylic acid (CAS 926217-39-2)
- Semaglutide impurity 202 (CAS CATO-C4X-2226202)
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