5,6-Dichloro-2,4-pyrimidinediamine CAS 89033-89-6
Purity >95%In StockPharmaceutical Standards
| CAS No. | 89033-89-6 |
| Molecular Formula | C4H4Cl2N4 |
| Molecular Weight | 179.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,6-Dichloro-2,4-pyrimidinediamine (CAS 89033-89-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H4Cl2N4. Molecular weight: 179.01 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H4Cl2N4 |
| Molecular Weight | 179.01 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | >95% |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Dichloro Standards
- 2,5-Dichloro-4,6-pyrimidinediamine (CAS 13117-14-1)
- 4,6-Dichloro-2-hydrazinylpyrimidine (CAS 887592-69-0)
- 4,6-Dichloro-N-methyl-1,3,5-triazin-2-amine (CAS 27282-80-0)
- 5,6-Dichloro-1-methylpyrimidin-4(1H)-one (CAS 101912-72-5)
- 4,6-Dichloro-2-methoxypyrimidine (CAS 1074-40-4)
- 4,6-Dichloro-3-methoxypyridazine (CAS 112342-58-2)
- 3,4-Dichloro-6-methoxypyridazine (CAS 112342-59-3)
- 2,4-Dichloro-1-methyl-1H-imidazole-5-carbaldehyde (CAS 1240526-82-2)
Recommended Standards
- Afatinib Impurity 39 (CAS 1117-71-1)
- 5-(Dimethylamino)-2-methylphenylboronic acid (CAS 1106692-23-2)
- Methyl trans-4-bromo-2-butenoate (CAS 6000-00-6)
- 3-(Benzo[b]thiophen-3-yl)-1,1,1-trifluoropropan-2-one (CAS 1341159-15-6)
- 4-Bromo-6-iodo-1H-indole (CAS 850334-30-4)
- 3-Ethyl-5-methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylic acid (CAS 441718-51-0)
- 2-Methyl-4-(trifluoromethyl)aniline hydrochloride (CAS 23984-80-7)
- Ethyl 7-methyl-3-(piperidin-1-ylmethyl)benzofuran-2-carboxylate (CAS 74399-96-5)
- 2,3-Dibromo-6-methyl-5-nitropyridine (CAS 856834-12-3)
- a-Bag Cell Peptide (1-8) (CAS 87549-53-9)
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