3-Hydroxy-2',3',4',5'-tetrachlorobiphenyl CAS 67651-37-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 67651-37-0 |
| Molecular Formula | C12H6Cl4O |
| Molecular Weight | 307.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Hydroxy-2',3',4',5'-tetrachlorobiphenyl (CAS 67651-37-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H6Cl4O. Molecular weight: 307.99 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H6Cl4O |
| Molecular Weight | 307.99 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | Cl-containing |
Related Hydroxy Standards
- 4'-Hydroxy-3,3',4,5'-tetrachlorobiphenyl (CAS 111810-41-4)
- 4-Hydroxy-2',3',5',6'-tetrachlorobiphenyl (CAS 14962-32-4)
- 4-Hydroxy-2,2',4',6'-tetrachlorobiphenyl (CAS 150304-08-8)
- 4-Hydroxy-2',3',4',5'-tetrachlorobiphenyl (CAS 67651-34-7)
- 4-Hydroxy-2',3,5,5'-tetrachlorobiphenyl (CAS 245084-57-5)
- 4-Hydroxy-3,3',4',5'-tetrachlorobiphenyl (CAS 244035-65-2)
- 3-Hydroxy-2,3-dimethylbutan-2-yl hydrogen (4-bromothiazol-5-yl)boronate (CAS 2223032-14-0)
- Methyl 2-hydroxy-5-iodo-4-methoxybenzoate (CAS 1131587-46-6)
Recommended Standards
- 3,3,4,4-TetraCDE (CAS 56348-72-2)
- 4,7-Dibromo-5-methylbenzo[c][1,2,5]thiadiazole (CAS 2255-79-0)
- 2,4,4',5-Tetrachlorodiphenyl Ether (CAS 61328-45-8)
- 3-(4-Benzylphenyl)isoxazol-5-amine (CAS 501902-13-2)
- Ethyl 2-formylfuran-3-carboxylate (CAS 19076-56-3)
- Dodecylbenzenesulfonic Acid (soft type) (mixture) (CAS 68584-22-5)
- Ribavirin EP Impurity B (CAS 57198-02-4)
- N-Benzylidene-2-methylpropane-2-sulfinamide (CAS 700842-91-7)
- Ethyl 2-benzamido-3-carbamoyl-4,7-dihydrothieno[2,3-c]pyridine-6(5H)-carboxylate (CAS 864925-61-1)
- Semaglutide Impurity 161 (x TFA Salt) (CAS CATO-C4X-2226161)
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