2,2',7,7'-Tetraamino-9,9'-spirobifluorene CAS 376356-61-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 376356-61-5 |
| Molecular Formula | C25H20N4 |
| Molecular Weight | 376.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2,2',7,7'-Tetraamino-9,9'-spirobifluorene (CAS 376356-61-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C25H20N4. Molecular weight: 376.45 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C25H20N4 |
| Molecular Weight | 376.45 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
Related Tetraamino Standards
- 1,4,5,8-Tetraamino-2-bromo-6-methoxyanthracene-9,10-dione (CAS 88602-93-1)
- 1,4,5,8-Tetraamino-2-bromo-7-methoxyanthracene-9,10-dione (CAS 88603-38-7)
- 1,4,5,8-Tetraamino-2,7-dipropoxyanthracene-9,10-dione (CAS 88601-64-3)
- 1,4,5,8-Tetraamino-2-bromo-6-ethoxyanthracene-9,10-dione (CAS 88602-94-2)
- 1,4,5,8-Tetraamino-2-bromo-7-ethoxyanthracene-9,10-dione (CAS 88603-39-8)
- 1,4,5,8-Tetraamino-2,6-bis(methylthio)anthracene-9,10-dione (CAS 88605-73-6)
- 1,4,5,8-Tetraamino-2-bromo-6-propoxyanthracene-9,10-dione (CAS 88602-95-3)
- 1,4,5,8-Tetraamino-2-bromo-7-propoxyanthracene-9,10-dione (CAS 88603-40-1)
Recommended Standards
- 2,2'-(1,4,10,13-Tetraoxa-7,16-diazacyclooctadecane-7,16-diyl)diacetamide (CAS 72912-00-6)
- 2-Ethylbutyl 4-(2,5-dimethoxyphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 300360-13-8)
- 2-(4-Methoxyphenyl)-3,4-bis(phenylethynyl)-2,5-dihydrofuran (CAS 675582-63-5)
- 5-((Diethylamino)methyl)-2-phenylfuran-3-carboxylic acid (CAS 632296-54-9)
- (2-Ethanesulfonyl-ethylsulfanyl)-acetic acid (CAS 499987-50-7)
- 1-Ethyl-4-methylpyridin-1-ium Bromide (CAS 32353-49-4)
- Alprazolam EP Impurity A (CAS 27537-87-7)
- Resmetirom impurity 83 (CAS CATO-C4X-291283)
- 5-(2,3-Dihydro-1H-inden-5-yl)-2-methylpyrazolo[1,5-a]pyrimidine (CAS 866050-21-7)
- Acetyl Tripeptide-1 (CAS 350595-76-5)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com