6-Chloro-8-(difluoromethyl)-9-methyl-9H-purine CAS 1708251-13-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1708251-13-1 |
| Molecular Formula | C7H5ClF2N4 |
| Molecular Weight | 218.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
6-Chloro-8-(difluoromethyl)-9-methyl-9H-purine (CAS 1708251-13-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H5ClF2N4. Molecular weight: 218.59 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H5ClF2N4 |
| Molecular Weight | 218.59 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 4 |
Recommended Standards
- 2-(Chloromethyl)-5-cyano-3-(difluoromethyl)-6-hydroxypyridine (CAS 1804486-43-8)
- Tegoprazan Impurity 25 (CAS CATO-C4X-229725)
- 2-(Chloromethyl)-4-cyano-3-(difluoromethyl)-5-hydroxypyridine (CAS 1804495-16-6)
- 2,4-Dichloro-6-(2-methoxyphenyl)thieno[3,2-d]pyrimidine (CAS 1407180-83-9)
- 3-(4-Methoxyphenyl)cyclobutanone (CAS 52498-02-9)
- (2E)-3-[1-[(1alpha,3beta,5Z,7E,22E,24R)-1,3,24-Trihydroxy-9,10-secochola-5,7,10(19),22-tetraen-24-yl]cyclopropyl]-2-propenoic Acid Ethyl Ester (CAS 186371-96-0)
- 2-(4-Carbamoylphenoxy)quinoline-4-carboxylic acid (CAS 1255147-41-1)
- 1-(2-Fluorophenyl)but-3-en-2-one (CAS 889955-69-5)
- N-(2-methoxyethyl)pyridin-4-amine (CAS 1039993-73-1)
- a2,3-Sialylglycopeptide (CAS 189035-43-6)
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