1,1'-(Cyclopentane-1,1-diyl)bis(1H-pyrazole) CAS 28791-87-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 28791-87-9 |
| Molecular Formula | C11H14N4 |
| Molecular Weight | 202.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,1'-(Cyclopentane-1,1-diyl)bis(1H-pyrazole) (CAS 28791-87-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H14N4. Molecular weight: 202.26 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H14N4 |
| Molecular Weight | 202.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | 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.) | 1965 |
| Nitrogen Atoms | 4 |
Related Cyclopentane Standards
- 4-oxo-cyclopentane-cis-1,2-dicarboxylic acid dimethyl ester (CAS 1001666-74-5)
- 4-Oxo-cyclopentane-cis-1,2-dicarboxylic acid dimethyl ester (CAS 28269-02-5)
- 2,2'-(Cyclopentane-1,1-diyl)diacetic Acid (CAS 16713-66-9)
- [1,1'-bi(cyclopentane)]-1-carboxylic acid (CAS 933751-64-5)
- [1,1'-Bi(cyclopentane)]-2,2'-dione (CAS 5070-24-6)
- cis-Cyclopentane-1,3-dicarboxylic acid (CAS 876-05-1)
- Cyclopentane-1,1-dicarboxylic acid (CAS 5802-65-3)
- Cyclopentane-1,2-dicarboxylic Acid (CAS 50483-99-3)
Recommended Standards
- 1-(Piperidin-4-yl)-1H-imidazo[4,5-b]pyridine (CAS 852627-76-0)
- 1-[3-Methyl-4-(propan-2-yl)phenyl]-1H-1,2,3,4-tetrazole (CAS 866151-26-0)
- 1-(3-Phenylpropyl)-1h-1,2,4-triazol-3-amine (CAS 57277-15-3)
- 2-[benzyl(methyl)amino]butanoic acid hydrochloride (CAS 1803560-77-1)
- 2-Methoxypiperidine (CAS 53687-79-9)
- Amifostine Impurity 7 (CAS 4461-39-6)
- Methyl 4-bromo-1-(trifluoromethyl)-1H-indole-6-carboxylate (CAS 2306261-99-2)
- 2-(1h-Indol-3-yl)-2-morpholinoacetonitrile (CAS 321974-02-1)
- [Methyl-(6-methyl-4-trifluoromethyl-pyridin-2-yl)-amino]-acetic acid (CAS 1208081-67-7)
- Tau Peptide (273-284) trifluoroacetate salt (CAS 1663490-91-2)
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