6-Chloro-5-(methylsulfonyl)pyrimidine-2,4-diamine CAS 78744-33-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 78744-33-9 |
| Molecular Formula | C5H7ClN4O2S |
| Molecular Weight | 222.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Chloro-5-(methylsulfonyl)pyrimidine-2,4-diamine (CAS 78744-33-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C5H7ClN4O2S. Molecular weight: 222.65 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C5H7ClN4O2S |
| Molecular Weight | 222.65 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 4-Chloro-5-fluoro-6-methyl-2-phenylpyrimidine (CAS 1000931-50-9)
- 4-Chloro-2-[(4-fluorophenyl)methyl]pyrimidine (CAS 1156238-27-5)
- 4-chloro-6-(2-fluorophenyl)-2-methylpyrimidine (CAS 1159816-02-0)
- 3-Chloro-6-(2-fluorophenyl)-4-methylpyridazine (CAS 118270-17-0)
- 3-Chloro-4-methoxybenzenesulfonic acid (CAS 118795-71-4)
- 4-Chloro-2-(2-fluorophenyl)-6-methylpyrimidine (CAS 1188233-71-7)
- 2-Chloro-6-methoxypyridine-3-sulfonamide (CAS 1208081-15-5)
- 4-chloro-6-(3-fluorophenyl)-2-methylpyrimidine (CAS 1256638-62-6)
Recommended Standards
- 5-Chloro-2-methoxypyridine-3-sulfonamide (CAS 2248271-70-5)
- 6-Chloro-N-(4-fluorophenyl)-2-pyridinamine (CAS 881419-09-6)
- 5-(4-Chloro-3-fluorophenyl)-2-pyridinamine (CAS 893738-36-8)
- 7-Thia-2-azaspiro[3.5]nonanehemioxalate (CAS 1523606-48-5)
- 4-Amino-N-hexylbenzenesulfonamide (CAS 67491-88-7)
- 4-(Hydroxymethyl)-3-methylbenzonitrile (CAS 227094-07-7)
- 1622AE 2-Chloro-1-(3,5-dimethyl-pyrazol-1-yl)-ethanone 36140-55-3 C7H9ClN2O (CAS 36140-55-3)
- 3-Amino-5,6,7,8-tetrahydroquinolin-2(1H)-one (CAS 865855-13-6)
- 1170842-40-6 1-[(1-Ethyl-5-methoxy-1H-indol-3-yl)methyl]piperidine-4-carboxylic acid MFCD14281911 (CAS 1170842-40-6)
- Semaglutide Impurity 128 (CAS 2490269-78-6)
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