(Ethene-1,1,2,2-tetrayltetrakis(benzene-4,1-diyl))tetraboronic acid CAS 1905395-21-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1905395-21-2 |
| Molecular Formula | C26H24B4O8 |
| Molecular Weight | 507.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order (Ethene-1,1,2,2-tetrayltetrakis(benzene-4,1-diyl))tetraboronic acid (CAS 1905395-21-2) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C26H24B4O8. Molecular weight: 507.71 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C26H24B4O8 |
| Molecular Weight | 507.71 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
Related Ethene Standards
- 4,4’,4’’,4’’’-(Ethene-1,1,2,2-tetrayl)tetrabenzoic Acid (CAS 1351279-73-6)
- 5,5',5'',5'''-(Ethene-1,1,2,2-tetrayl)tetrakis(2-hydroxybenzaldehyde) (CAS 2036328-15-9)
- 4,4'-(Ethene-1,2-diyl)bis(N,N-diphenylaniline) (CAS 116942-09-7)
- (E)-4,4'-(Ethene-1,2-diyl)bis(N,N-diphenylaniline) (CAS 202748-68-3)
- (E)-5',5''''-(Ethene-1,2-diyl)bis(([1,1':3',1''-terphenyl]-4,4''-diamine)) (CAS 2361424-80-6)
- 4,4',4'',4'''-(Ethene-1,1,2,2-tetrayl)tetrakis(benzene-1,2-diol) (CAS 2248462-00-0)
- 6,6'-(Ethene-1,2-diyl)bis(3-isothiocyanatobenzenesulfonic acid) (CAS 53005-05-3)
- 4,4',4'',4'''-(Ethene-1,1,2,2-tetrayl)tetrabenzaldehyde (CAS 2170451-48-4)
Recommended Standards
- Cholic Acid Impurity 84 (CAS CATO-C4X-116084)
- N-(4-bromophenyl)-4-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)benzenesulfonamide (CAS 338775-38-5)
- Methyl (4aS,6aR,6bS,8aR,13aS,15aR,15bS)-2,2,6a,6b,9,9,13a-heptamethyl-15-oxo-1,3,4,5,6,6a,6b,7,8,8a,9,13,13a,15,15a,15b-hexadecahydropiceno[2,3-d]isoxazole-4a(2H)-carboxylate (CAS 218600-52-3)
- 2-(6-Bromo-5-(difluoromethyl)-2-hydroxypyridin-3-yl)acetic acid (CAS 1805349-02-3)
- N-(2-Phenoxyphenyl)-2-(trifluoromethyl)pyridin-4-amine (CAS 338401-87-9)
- N-(Isoquinolin-6-yl)-2-(m-tolylamino)acetamide (CAS 920513-55-9)
- 1-(7-Ethylbenzo[d]oxazol-2-yl)ethanone (CAS 1803877-83-9)
- 3-(2-Amino-2-methylpropyl)aniline (CAS 266315-06-4)
- 3-(3-Fluorophenoxy)benzonitrile (CAS 849811-45-6)
- Semaglutide impurity 62 (CAS CATO-C4X-222662)
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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