5,7-Dichloro-3-cyclopentyl-1-methyl-1H-pyrazolo[4,3-d]pyrimidine CAS 1956331-13-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1956331-13-7 |
| Molecular Formula | C11H12Cl2N4 |
| Molecular Weight | 271.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5,7-Dichloro-3-cyclopentyl-1-methyl-1H-pyrazolo[4,3-d]pyrimidine (CAS 1956331-13-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H12Cl2N4. Molecular weight: 271.15 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H12Cl2N4 |
| Molecular Weight | 271.15 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Dichloro Standards
- 2,6-Dichloro-9-cyclohexyl-9H-purine (CAS 737005-47-9)
- 4,6-Dichloro-1-cyclohexyl-1H-pyrazolo[3,4-d]pyrimidine (CAS 21254-09-1)
- 5,6-Dichloro-2'-methyl-spiro[indoline-3,3'-pyrrolidine]-2-one (CAS 2874373-80-3)
- 5,6-Dichloro-2'-methyl-spiro[indoline-3,4'-pyrrolidine]-2-one (CAS 2874373-76-7)
- 4,6-Dichloro-2-(methylthio)-5-phenylpyrimidine (CAS 64415-11-8)
- 2,4-Dichloro-5-methoxyphenyl methanesulfonate (CAS 1065074-74-9)
- 2,4-Dichloro-5-(2-furyl)thieno[2,3-d]pyrimidine (CAS 1428141-39-2)
- 4,5-Dichloro-3-(2-methoxyethoxy)thiophene-2-carboxylic acid (CAS 1710661-45-2)
Recommended Standards
- 1-(4-Bromophenyl)-3-isobutylurea (CAS 195452-18-7)
- tert-Butyl 2-(3-bromophenyl)acetate (CAS 197792-52-2)
- Methyl 3-(4-bromophenyl)-2,2-dimethylpropanoate (CAS 186498-29-3)
- Methyl 2-(1-Boc-4-piperidylidene)-2-(Cbz-amino)acetate (CAS 313491-20-2)
- 2,5-Dibromothiophene-3-boronic Acid Pinacol Ester (CAS 942070-22-6)
- Methyl 3-(2-{[2-(3-chlorobenzamido)phenyl]sulfanyl}acetamido)thiophene-2-carboxylate (CAS 477887-61-9)
- 5-Amino-4,6-dimethylpyrimidin-2(1H)-one (CAS 344249-04-3)
- 4-Hydrazinyl-3-hydroxy-2-naphthoic acid (CAS 333395-43-0)
- 3-Methyl-2-[(piperidin-4-yl)methoxy]pyridine dihydrochloride (CAS 2097936-20-2)
- Semaglutide impurity 195 (CAS CATO-C4X-2226195)
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