4-Chloro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol CAS 779331-28-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 779331-28-1 |
| Molecular Formula | C12H16BClO3 |
| Molecular Weight | 254.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Chloro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol (CAS 779331-28-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C12H16BClO3. Molecular weight: 254.52 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C12H16BClO3 |
| Molecular Weight | 254.52 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- 3-Chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol (CAS 1029439-70-0)
- 3-Chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine (CAS 1032758-99-8)
- 2-Chloro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-amine (CAS 1150561-74-2)
- 5-Chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine (CAS 1222522-38-4)
- 4-Chloro-2-methyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine (CAS 1260148-41-1)
- 3-Chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine (CAS 1269440-75-6)
- 2-Chloro-4-methyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-pyrimidine (CAS 1310405-15-2)
- 4-Chloro-2-hydroxyphenylboronic Acid Pinacol Ester (CAS 1377503-12-2)
Recommended Standards
- 4,5,7-Trichloro-1,3-benzoxazole-2-thiol (CAS 98278-90-1)
- 4-Chloro-2-(4,4,6-trimethyl-1,3,2-dioxaborinan-2-yl)phenol (CAS 2096996-66-4)
- 3-Chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol (CAS 960388-56-1)
- 1-[[3-Methyl-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]carbonyl]pyrrolidine (CAS 1386860-56-5)
- N-t-Butyl 2-(BOC-amino)propanamide (CAS 1400644-20-3)
- 2-Butoxy-4,6-dimethylbenzaldehyde (CAS 1707563-77-6)
- 3-(sec-Butylamino)-1H-pyrazol-5(4H)-one (CAS 57338-45-1)
- rac 1,2-Bis-palmitoyl-3-chloropropanediol-D5 (CAS 1185057-55-9)
- Apixaban Impurity 184 (CAS CATO-C4X-1088184)
- Semaglutide impurity 289 (CAS CATO-C4X-2226289)
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