6-Chloro-5-methylquinazoline-2,4-diamine CAS 63770-43-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 63770-43-4 |
| Molecular Formula | C9H9ClN4 |
| Molecular Weight | 208.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Chloro-5-methylquinazoline-2,4-diamine (CAS 63770-43-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H9ClN4. Molecular weight: 208.65 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H9ClN4 |
| Molecular Weight | 208.65 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chloro Standards
- 6-Chloro-3-cyclobutyl-[1,2,4]triazolo[4,3-b]pyridazine (CAS 1094292-72-4)
- 6-Chloro-3-(2-methylcyclopropyl)-[1,2,4]triazolo[4,3-b]pyridazine (CAS 1094292-73-5)
- 2-Chloro-6-(3,5-dimethyl-1H-pyrazol-1-yl)pyrazine (CAS 1133082-92-4)
- 5-Chloro-6-cyclopropyl-2H-pyrazolo[3,4-b]pyridin-3-amine (CAS 1135283-22-5)
- 2-Chloro-5-methyl-4-(1-methyl-1H-pyrazol-5-yl)pyrimidine (CAS 1202986-04-6)
- 3-Chloro-6-methyl-4-(1-methyl-1h-imidazol-2-yl)pyridazine (CAS 1209062-25-8)
- 3-Chloro-6-(4,5-dimethyl-1H-imidazol-1-yl)pyridazine (CAS 1248926-89-7)
- 4-Chloro-3-(1-methyl-1h-1,2,4-triazol-5-yl)aniline (CAS 1249590-54-2)
Recommended Standards
- 6-chloro-1-(cyclopropylmethyl)-1H-pyrazolo[3,4-d]pyrimidine (CAS 2711002-61-6)
- 9-Chloro-5h,6h,7h,8h-[1,2,4]triazolo[3,2-b]quinazoline (CAS 57070-37-8)
- 5-(1-Chloroethyl)-1-phenyl-1h-1,2,3,4-tetrazole (CAS 858483-92-8)
- 5H-Pyrrolo[2,3-d]pyrimidin-2-amine, 4-chloro-6,7-dihydro- (CAS 1251761-95-1)
- 1-[(4-Bromo-2-fluorophenyl)methyl]-1,4-diazepane (CAS 646455-62-1)
- Sotagliflozin Impurity 4 (CAS 1018899-73-4)
- 0750AD 1196662-06-2 5-Iodo-7-(triisopropylsilyl)-7H-pyrrolo-[2,3-d]pyrimidine C15H24IN3Si (CAS 1196662-06-2)
- 1-(4-Nitrophenyl)propan-2-amine (CAS 13026-03-4)
- 2-Methoxycyclopropanamine hydrochloride (CAS 1046469-17-3)
- (Tyr?)-C-Peptide (dog) (CAS 101135-67-5)
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 13829788188 / jacky.chen@cato-chem.com