(S)-(+)-6,6’-Dibromo-1,1’-bi-2-naphthol CAS 80655-81-8
| CAS No. | 80655-81-8 |
| Molecular Formula | C20H12Br2O2 |
| Molecular Weight | 444.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (S)-(+)-6,6’-Dibromo-1,1’-bi-2-naphthol.
(S)-(+)-6,6’-Dibromo-1,1’-bi-2-naphthol (CAS 80655-81-8), molecular formula C20H12Br2O2 and molecular weight 444.12 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, a hydroxyl group, an ether linkage, bromine substitution, (S)-(+)-6,6’-Dibromo-1,1’-bi-2-naphthol is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 444.12 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (S)-(+)-6,6’-Dibromo-1,1’-bi-2-naphthol under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C20H12Br2O2 |
| Molecular Weight | 444.12 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Halogen Content | Br-containing |
Related S Standards
- (R)-(+)-3,3’-Dibromo-1,1’-bi-2-naphthol (CAS 111795-43-8)
- (S)-(-)-3,3’-Dibromo-1,1’-bi-2-naphthol (CAS 119707-74-3)
- (R)-(+)-3,3-Dibromo-1,1-bi-2-naphthol (CAS 149821-06-7)
- (R)-(-)-6,6’-Dibromo-1,1’-bi-2-naphthol (CAS 65283-60-5)
- 2',5'-Dibromo-[1,1':4',1''-terphenyl]-4,4''-dicarbaldehyde (CAS 2375652-86-9)
- 2,4-Dibromo-16a-hydroxyestrone (CAS 79258-14-3)
- trans-3,4-Dibromo-N-methyl-N-(1-methyl-1-azaspiro[4.5]dec-6-yl)-benzamide (CAS 119878-31-8)
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Recommended Standards
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- Ambroxol Impurity 101 (CAS CATO-C4X-1085101)
- racemic-6,6-Dibromo-1,1-bi-2-naphthol (CAS 13185-00-7)
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