4,6-Dichloro-1-phenyl-1H-pyrazolo[3,4-d]pyrimidine CAS 99971-84-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 99971-84-3 |
| Molecular Formula | C11H6Cl2N4 |
| Molecular Weight | 265.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,6-Dichloro-1-phenyl-1H-pyrazolo[3,4-d]pyrimidine (CAS 99971-84-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H6Cl2N4. Molecular weight: 265.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H6Cl2N4 |
| Molecular Weight | 265.10 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.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Dichloro Standards
- 5,7-Dichloro-2-(pyridin-4-yl)pyrazolo[1,5-a]pyrimidine (CAS 1232224-67-7)
- 4-[(4,6-Dichloro-2-pyrimidinyl)amino]benzonitrile-13C3 (CAS 1246818-77-8)
- Methyl 4,5-dichloro-3-(prop-2-yn-1-yloxy)thiophene-2-carboxylate (CAS 1708401-35-7)
- (1-((2,6-Dichloro-5-methoxypyrimidin-4-yl)oxy)cyclopropyl)methanol (CAS 1572048-46-4)
- 2,7-Dichloro-9H-xanthen-9-one (CAS 55103-01-0)
- 5-(2,4-Dichloro-5-fluorophenyl)-1,3,4-oxadiazole-2(3H)-thione (CAS 849132-72-5)
- 3,4-Dichloro-4-methylbenzophenone (CAS 125016-15-1)
- 1-(3’,4’-dichloro-1,1’-biphenyl-4-yl)ethanone (CAS 926254-63-9)
Recommended Standards
- 4-(Bromomethyl)-1-naphthoic Acid (CAS 30236-02-3)
- 4-Bromo-1-methoxy-2-Naphthalenecarboxaldehyde (CAS 514844-65-6)
- 4-((4,6-Dichloropyrimidin-2-yl)amino)benzonitrile (CAS 329187-59-9)
- CAS 2260669-85-8 (CAS 2260669-85-8)
- 18:1 TAP (DOTAP, MS salt) (CAS 144189-73-1)
- Mirogabalin Impurity 206 (CAS CATO-C4X-2924206)
- 2-Chloro-N-(furan-2-ylmethyl)-4-methylaniline (CAS 1037138-41-2)
- 1-Bromo-3-(ethylsulfanyl)propane (CAS 83705-51-5)
- 2,4,6-Trichloro-5-iodopyrimidine (CAS 1137576-61-4)
- Insulin Degludec Impurity 27 (CAS CATO-C4X-215727)
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